PC & Mediji 2000 June/PCM_0006.iso/programi/stella/_SETUP.2/Group1/NoteDup.lst

File List | 1999-10-12 | 124.6 KB | 2,108 lines

5 1D:   6.43 dG4, 7.19 dG8, 106.83y, a = 1.432".  Component B has possible invisible companion, period 6.9y.
6 1D:   CPM.
12 1D:   CPM.
14 1D:   SB1.  Blue companion?
20 1D:   6.6 A6IV, 6.9 A8IV, 456y, a = 0.924".  Combined mag. and colors.
23 1D:   Combined mag., color.
24 1D:   Primary F4III, comp. B, F3III.
26 1D:   Companion 9.44V, +0.34(B-V), -0.14(U-B), G5Ve.
29 1D:   Suspected occultation double.
32 1D:   AB, CPM, combined mag., color.  Component B, 8.2 F3/5 IV, HD 662.  C, 14v at 20".
40 1D:   AB 6.7 G3III, 7.5 F2IV, 368y, a = 0.564".  ADS 161C, 10.37V, K0, at 18", physical.
46 1D:   CPM.
50 1D:   Component A is SB.  ADS 191B, 7.3v dA7 at 12".  Period apsidal motion, 3y.  Possible radio binary.
55 1D:   6.8 B8V, 7.1 B9V, 1600y, a = 1.260".  Combined mag., colors.
56 1D:   CPM.
60 1D:   Fixed sep.
70 1D:   CPM.  Companion F3V.
74 1D:   Component B, 12.87v at 63", optical.
81 1D:   B9.5, A2.
86 1D:   Optical.
91 1D:   ADS 328B, 8.0 at 0.2".  However, ADS 328 appeared single in 1953.
97 1D:   Suspected double probably single.
99 1D:   A* 2.38 K0III, 10.538y, a = 0.072".
108 1D:   7.2 G1V, 7.2 G1V, 5.625y, a = 0.134".  Combined mag. and colors.
113 1D:   ADS 412AB, CPM.
114 1D:   ADS 409B 13.3v at 3" CPM with A.
117 1D:   Optical.
123 1D:   5.5 B7.5V, 5.8 B8.5V, 640y, a = 0.586".  Combined mag. and colors.  Components 14 and 13 solar masses.
125 1D:   Optical.
126 1D:   CPM with HR 127 of which both are close binaries.  Also CPM with HR 136.  Faint companion at 14".
127 1D:   CD 4.9 A2V, 5.6 A7V, 44.43y, a = 0.385".  Combined mag., colors.  D-C = 1.17V.
132 1D:   ADS 449A is triple occultation system, 6.2, 6.9v, sep. 0.031"; third component 8.8v at 0.196".  ADS 449B, 9.7v at 27.5".
132 2D:   AB are CPM.
134 1D:   ADS 455AB, CPM.  B, 10.4v K0V.  C, 12.3v at 60".
136 1D:   Short period binary.  Both components A-type.  Sep. 0.099".  CPM with HR 126 and 127.
142 1D:   AB 5.6 F7V, 6.3 G0V, 6.92y, a = 0.23".  Combined mag., colors, spectrum.
154 1D:   AB 103000?y.  Component B spectrum A6V or Am(A3/F0/F2), RV +11.9k/s.  Component C, 11.4v, F3 at 55" optical.
159 1D:   6.3 G7V, 6.4 G8V, 25.00y, a = 0.670".  Combined mag., colors.
164 1D:   Companion optical.
165 1D:   AB CPM.  Component C, 15.2v at 48" optical.
167 1D:   Binary.
168 1D:   D is 8.5v K2IV-V, vsini <54k/s.  All components probably optical.
178 1D:   Suspected visual double is probably single.  Resolved by speckle interferometry 1983.93, sep. 0.145", but unresolved
178 2D:   1981.68, 1983.94.
183 1D:   CPM.
185 1D:   A0, A9.
192 1D:   Physical pair.
193 1D:   CPM. Companion F8.
196 1D:   AB CPM.
199 1D:   Primary F5III, secondary F6IV.
215 1D:   AB CPM.  Companions probably optical.
219 1D:   AB 3.45 G3V, 7.51 K4Ve, 480y, a = 11.994".  Combined mag., colors.  Component B, vsini =<25k/s.  Companions C-H optical.
219 2D:   A possible invisible companion with period about 40y.  Component B, 7.51V, +1.39(B-V), +1.03(U-B).
225 1D:   The two companions probably optical.
227 1D:   CPM.
230 1D:   CPM with HR 231.
231 1D:   CPM with HR 230.
245 1D:   Optical. Combined mag. and color.
247 1D:   Fixed sep.
250 1D:   AB CPM.  Component B, dG4.
251 1D:   Primary F4IV, secondary G0V.
253 1D:   AB optical.
254 1D:   AB 6.23 A1V, 6.89 A4V, 360.4y, a = 0.700".  Combined mag., colors.
258 1D:   AB 6.02 G6IV, 6.41 K6IV, 164.68y, a = 1.014".  Resolved by speckle interferometry 1983.94, sep. 0.68".  Combined
258 2D:   mag., colors.
264 1D:   AB CPM.
266 1D:   AB 6.0 B8V, 6.6 B9V, 83.4y, a = 0.252".  Total mass, 6 solar.  Primary is a mercury-manganese star.
269 1D:   All components optical.
277 1D:   ADS 805, 790y.
282 1D:   Visual binary with HR 283.
283 1D:   Visual binary with HR 282.  Color for blended images.
289 1D:   6.7 A3n, 8.0, 450y, a = 0.816".
294 1D:   Suspected occultation double, 5.2, 5.2v, sep. 0.25".
301 1D:   AB binary.  Component B, G8V.
308 1D:   Visual pair optical.
310 1D:   CPM with HR 311.  Third component optical.
311 1D:   CPM with HR 310.
313 1D:   CPM with HR 314.  Faint companions probably optical.
314 1D:   CPM with HR 313.
318 1D:   AB optical.
321 1D:   A* 5.15 G5Vp, 21.43y, a = 0.186", mag. diff 2V, sep. 1.4".  Subdwarf with five visual and one astrometric components.
322 1D:   Mag. and color blend of close pair 4.2, 4.2v.  C, 11.5v at 57".
330 1D:   Companions probably optical.
331 1D:   5.8 A2IV, 6.2 A4IV, 28.5y, a = 0.209".  Combined mag., colors.
335 1D:   4.6 B6IV, 5.5 B9V, 371.6y, a = 0.447".  Combined mag., colors.  Masses 16 and 10 solar.  Resolved by speckle
335 2D:   interferometry 1983.93, sep. 0.64".
336 1D:   Suspected visual double is probably single.
338 1D:   AB 4.2, 7.0v close binary; vsini of B 87k/s.  C, 7.0 F7V at 6.6" CPM.
348 1D:   Unresolved by speckle interferometry: probably single.
356 1D:   AB CPM.  Component B, 10.25V, +0.79(B-V), +0.29(U-B), G1V.
360 1D:   B CPM, 9.11V, +0.92(B-V), +0.25(U-B).
361 1D:   CPM with HR 362 at 24".  ADS 996A is close occultation double, 6.3, 6.3v, 0.05":.  Component B, HR 362 is SB; C, 12.2 is
361 2D:   1" from B.
362 1D:   CPM with HR 361.
366 1D:   CPM.  Component B, G7V.
368 1D:   Component C is faint diffuse nebula, NGC 450.
377 1D:   Quadruple system consisting of two close CPM pairs separated by 320":  CPD -69d45, components AB, 5.1, 7.3, 5" and
377 2D:   CPD -69d44, components CD.  AB, 1222.4y, a = 7.64"; CD 7.8 G5, 8.2, 86.2y, a = 1.12".
382 1D:   ADS 1073, quintuple system:  A = NGC 457 #136; B, 12.3v at 49"; C = NGC 457 #131 = HD 7902, 6.99V, +0.42(B-V),
382 2D:   -0.38(U-B), B5Ia at 134", vsini =<25k/s; D, 10.19V, +0.29(B-V), -0.47(U-B) at 179"; E, 10.63V, +0.28(B-V), -0.52(U-B) at
382 3D:   170".
385 1D:   BC 7.4, 7.6, 21.5y, a = 0.136".  Combined spectrum A1V.
391 1D:   AB 7.1, 7.3v, binary, combined mag. and color.  Components C, 12.8v at 46" and D, 10.50v at 249" probably optical.
394 1D:   CPM.
399 1D:   ADS 1129B, 13.5v, 3" CPM with A. Component C optical, 9.18V, +0.66 (B-V), +0.34(U-B), Am.
402 1D:   Probably optical.
403 1D:   Unresolved by speckle interferometry 1981.69.
404 1D:   6.6 F3V, 6.8 F4V, 16.14y, a = 0.1884".  Combined mag. and color.
417 1D:   AB binary, B 11.7v at 2"; CD 10.4, 10.4 sep. 4.9" at 120" from A.
418 1D:   Optical.
419 1D:   Binary.  Companion 9.38V, +0.19(B-V), +0.00(U-B), A8V, vsini 48k/s.
423 1D:   CPM.
424 1D:   A* 2.0 var. F8Ib, 30.46y, a = 0.038".  AB physical; B, 8.20V, +0.49(B-V), +0.16(U-B), F3V, 0.0 color excess,
424 2D:   vsini =<60k/s; C, 13v at 43"; D, 14v at 83".
426 1D:   CPM.  Component B is BD+7d214, 8.02V, +0.53(B-V), +0.06(U-B), G0.
436 1D:   CPM.  Primary K3.5IIIab, secondary G2V.
437 1D:   CPM.
439 1D:   Unresolved by speckle interferometry 1983.94.
443 1D:   Probably optical.
458 1D:   Both visual companions probably optical.
462 1D:   6.0 F3V, 7.1, probably combined mag. and color.
466 1D:   6.8 F5, 7.2, 28.3y, a = 0.19".
467 1D:   Possible radio binary.  Visual companion optical.
477 1D:   CPM.  Component B, 11.53V, +0.65(B-V), +0.04(U-B).
479 1D:   CPM.  Combined mag., colors.  Primary F4IV-V, secondary F8V.
482 1D:   Third component mag. diff 4.74v, 110" from A.  Component B is K2V, optical.
483 1D:   Astrometric binary 20y, a 0.12", mag. diff 3-4v.  Companion 25% solar mass.
484 1D:   AB CPM; B is F2III; C optical.
486 1D:   Binary with HR 487, q.v.
487 1D:   AB 5.79 K0V, 5.83 K0V, 483.66y, a = 7.817".  B is HR 486.  Combined light HR 486-487, 5.07V.  Spectra also classified
487 2D:   K1V, K1.5V.
499 1D:   6.4 A2, 7.8 F0, 573.52y, a = 1.07".
511 1D:   Component A, astrometric binary unresolved by speckle interferometry.
514 1D:   AB 5.4 F1V, 8.6 G9V, 1192.2y, a = 4.652".  C 15.0v at 15", D 11.5v at 142".  Spectrum of secondary also classified K1V.
516 1D:   CPM.
526 1D:   Component C 8.4v at 21", D 10.2v at 137".
530 1D:   Binary. Component B 7.3v A6V, P.A. 166d; RV, 1.8k/s, variable.  Confusion in literature as to which component is HD
530 2D:   11154, which 11155. Probably combined mag. and color.
531 1D:   CPM.  Companion, dG1 is HD 11131.
539 1D:   Second visual component optical.
544 1D:   Visual companions probably optical.
545 1D:   Binary with HR 546, q.v.  Combined mag. HR 545/6, 3.88V; colors also combined.
546 1D:   Binary with HR 545, orbital period 5000 - 10000y?  Component C, 9.6v at 221".  Combined colors for HR 545-6; combined
546 2D:   mag. 3.88V.
556 1D:   ADS 1534B not CPM with HR 557, component A.
557 1D:   ADS 1534AP, CPM, 11.9v at 18".
560 1D:   6.76 F7, 6.76 G0, 170.3y, a = 1.05".  Alternate orbit 158.4y, a = 1.00".  Masses 1.34 and 1.29 solar.  Combined mag. and
560 2D:   colors.
566 1D:   CPM.
567 1D:   Optical.
569 1D:   ADS 1563B, 7.40V, +0.58(B-V), +0.07(U-B), dG1, CPM; vsini =<25k/s.
575 1D:   AB 4.71 A4V, 6.41 F2V, 60.44y, a = 0.653". Perturbation periods of 26 or 39y suspected. C, 13.6v, 24" CPM; D, 13.0v 48"
575 2D:   optical.  Additional unseen companion suspected.
577 1D:   ADS 1582AB, 8.5, 11.0v, sep. 2.3" at 188" from the bright component D. C, 9.2v at 31" from A.
592 1D:   ADS 1625AB, CPM.
595 1D:   Binary with HR 596, q.v.
596 1D:   4.18 A2p, 5.21 Am, 933.05y, a = 4.0".  Colors for combined light.  Combined mag. 3.82V.
603 1D:   CPM with HR 604.
604 1D:   BC 5.5 B8V, 6.3 A0V, 61.1y, a = 0.296".  ADS 1630BC CPM with HR 603.  Component D, 15v at 28".  Possibly also CPM with
604 2D:   BD+41d408 at 53'.
605 1D:   AB 5.90 F8IV, 7.27 F9V, 288.0y, a = 1.256"; or 309.03y, a = 1.34".  Other published periods have ranged from 247 to
605 2D:   925y.  Combined mag., colors.
609 1D:   Suspected occultation double.
610 1D:   ADS 1634AB CPM.  B, G5V; C at 83" optical.
627 1D:   B, mag. diff 6.9v at 5.6".
628 1D:   CPM with HR 629.
629 1D:   CPM with HR 628.
640 1D:   Resolved by speckle interferometry 1983.93, sep. 0.07".
642 1D:   Binary. Companion F6V.
647 1D:   6.6 F3V, 7.08 F6V, 144.7y, a = 0.908". Combined mag., colors.
649 1D:   Suspected occultation double, sep. 0.012".
650 1D:   AB binary; B, dG4; C, 11.5v at 173".
657 1D:   19.35y, a 0.17" or 18.614y, e 0.616, a 0.158", 10.82AU, i 130.1d.  Alternate orbit 19.35y, a = 0.17".  Speckle
657 2D:   interferometric sep. 0.17", 1983.93.
660 1D:   Probably optical.
674 1D:   Companion G2V?
681 1D:   AP var. M7IIIe, var. dBe, 400y, a = 0.85". The faint companion was first predicted in 1920 by Joy on the basis of a
681 2D:   slightly displaced blue secondary spectrum.  First seen by Aitken in 1923.  Visible only when Mira is faint.  Light
681 3D:   variations on scale of hours superimposed by variations of 10-15 min. and rare flares of 2 min. duration.  Components B,
681 4D:   13v at 73" and C, optical.
685 1D:   Fixed.
707 1D:   AB 4.64 A3Vp, 6.89 F5, 840y, a = 2.27".  A* 4.64 A5p, 52.4y, a = 0.113".  Unresolved by speckle interferometry.
707 2D:   ABxC 4.51 A5p, 8.40 G7V, probably physical, 6.706" periastron for parabolic orbit.  vsini of C =<50k/s.
710 1D:   AB CPM.
716 1D:   Companion A3IV.
728 1D:   ADS 1904AB binary; B, 11v.
729 1D:   Suspected occultation double.
746 1D:   Companions optical.
749 1D:   Companion 7.83V, +0.20(B-V), +0.15(U-B), A7V or A3Vm; vsini 167k/s.  Probably optical.
750 1D:   Companion, A5, optical.
752 1D:   Optical.
753 1D:   Visual companion 11.7v dM6 at 165", CPM.  A* 5.84 K3V, 60y, a = 0.257"..  Mass of invisible companion 0.12 solar.
753 2D:   Companion at 2" probably about 5v fainter.  Unresolved by speckle interferometry.
754 1D:   Binary.  Companion 9.08V, +0.56(B-V), +0.19(U-B), F7V.
763 1D:   Sep. 0.021".
764 1D:   CPM with HR 765. HR 764 formerly misidentified as the SB = HR 765.  Data for HR 764 and 765 have frequently been
764 2D:   interchanged.
765 1D:   CPM with HR 764.
768 1D:   B 12v, 8" optical; AC CPM; D, mag. diff 5.97v at 40" from A.
781 1D:   5.6 F6V, 5.6 F6V, 2.67y, a = 0.108". Combined mag., colors.
782 1D:   CPM.
787 1D:   Optical.
788 1D:   0.906y, a = 0.057".
792 1D:   AB fixed.
793 1D:   AB 6.2, 12.2v, 19" about 6y.  Occultations indicate A is triple system, 7.0v A1, at 0.06", and 8.0v at 0.2".  Aa
793 2D:   resolved by speckle interferometry, sep. 0.045" 1981.68, 0.040" 1981.69.
799 1D:   AB 4.13 F7V, 9.87 M1V, 2720y, a = 22.289".  C probably optical.
803 1D:   AB CPM.
804 1D:   AB binary, combined mag., colors.  CPM with BD+2d418, 10.2v M6 at 840".
813 1D:   Occultation binary.  Combined mag., color.
814 1D:   Binary. Combined mag., color.
820 1D:   AB binary.
823 1D:   7.1 F5, 7.1 F8, 28.5y, a = 0.279".
828 1D:   Suspected occultation double, 6.8, 6.8v, sep. 0.2".
834 1D:   Component B, B9V, CPM, vsini 149k/s.
836 1D:   AB CPM.  B 8.8v, A0Vp at 3.2", RV -21k/s, probably optical; C 10.72V, +0.60(B-V), +0.60(U-B), F8V at 25".  A is close SB
836 2D:   pair with computed sep. 0.00004".
838 1D:   Optical system.
844 1D:   AB CPM, B, 13v at 12"; C, optical.
846 1D:   AB, 7.2, 9.2v sep. 0.2" possibly optical; AC binary.
848 1D:   Primary G6III, secondary G4V.
854 1D:   A* 4.06 G4III+A4V, 4.150y, a = 0.050".  Speckle interferometric sep. 0.080" 1981.67.  Circumstellar material surrounding
854 2D:   the pair?  Visual companions 10.7v at 51" possibly physical; 11.8v at 4" possibly optical.
855 1D:   AB 5.9 F4V, 6.5 F6V, 31.37y, a = 0.258".  Nearly equal components, 3.7, 4.3 solar.  Component C, 9.7v at 14", CPM?
865 1D:   Component B, 15v, possibly spurious.
881 1D:   Binary. Companion F7IV.
887 1D:   Binary with HR 888.  Mag. and colors for combined light.
888 1D:   A, 5.25H; B = HR 887, 5.55H; C, 12.7v at 146".
890 1D:   CPM with HR 891.
891 1D:   CPM with HR 890.
897 1D:   Binary with HR 898.  Uncertain which component var.  Combined mag. HR 897/8, 2.91V; combined colors, +0.125(B-V),
897 2D:   +0.13(U-B).
898 1D:   Binary with HR 897.
906 1D:   ADS 2348B probably optical.
915 1D:   SKYLAB observations indicate cool star with hot companion.  Components Aa, 14.65y, a = 0.159".  Physical nature of B,
915 1D:   11m at 57", uncertain.
917 1D:   CPM.
927 1D:   Binary with HR 928.  Colors for combined light.  AB, 227y, a = 0.470".  Triple system with C, 10.8v at 5".
928 1D:   See HR 927.
936 1D:   A* var. B8V, 1.858y, a = 0.011" or 1.862y, a = 0.104".  Apparent apsidal period 28.4y or 32y.  Resolved by speckle
936 2D:   interferometry:  sep. 0.086", 2-3v fainter than primary.  This may be Algol C.  Four visual companions all optical:
936 3D:   B, 12.7v at 59"; C, 12.5 at 67"; D, 10.5 at 82"; BC sep. 15"; E, 12.5v at 11" from D.
938 1D:   Sep. 0.03".
939 1D:   Interferometric double, 6.3, 6.3v.  Combined mag. and color.
941 1D:   Companion optical.
948 1D:   Suspected occultation double.
952 1D:   Suspected occultation double.
955 1D:   Optical.
961 1D:   AB CPM.  C, 13.1v at 11" optical.
962 1D:   CPM.
963 1D:   3.9 F8IV, 6.5 G7V, 314y, a = 4.367". Combined mag., colors.
967 1D:   AB 6.8 A2V, 7.3 A4V, 330y, a = 0.386". Combined mag., colors.
968 1D:   AB 6.6 G2III, 6.9 A7IV, 44.82y, a = 0.443".  Combined mag., colors.  Component C 9.5v at 3" physical.
979 1D:   Component B, 8.0 A7m. CPM.
981 1D:   Secondary 8.06V.
985 1D:   Probably optical.
992 1D:   5.6 K1IV, 7.5 G8V, 351.94y, a = 1.077", or 217.20y, a = 0.974".  Combined mag., colors.  Double discovered by Alvan
992 2D:   Clark.  CPM with BD-1d474, 9.5v at 11'.
996 1D:   C, 11.9v at 251".
997 1D:   Binary.
1003 1D:   AB binary, B is K0V.  C, 11v at 40" optical.
1005 1D:   Suspected of being double or triple by Tebbutt in 1893.  Components 5.4, 7.9v, sep. 0.15", and 8.4v at 0.67".
1006 1D:   CPM with HR 1010.
1010 1D:   CPM with HR 1006.
1019 1D:   AB CPM.
1024 1D:   Binary.
1033 1D:   AB 6.8 B9V, 7.8 A1V, 259.90y, a = 0.370". Combined mag., colors.
1036 1D:   7.2, 7.2, sep. 0.1" listed by D. W. Dunham.  Probably not occultation double.
1044 1D:   550y.
1046 1D:   AB CPM.
1048 1D:   ADS 2552A is close binary, 6.3, 7.7v, sep. 0.010".  AB binary; C, 13v at 148".
1065 1D:   B CPM, A3V, vsini 100k/s, both components.
1068 1D:   AB CPM.  B, spectral class F2V. Component C, 10.5v at 164".
1077 1D:   AB 6.8 F3V, 7.6 F9V, 287.7y, a = 1.245".  Combined mag., colors.  Mass AB, 2.2 solar.  C, 10.3v at 92" optical.
1084 1D:   Astrometric binary, 25y. Unresolved by speckle interferometry.
1086 1D:   AB 6.6 A3V, 6.7 A3V, 568.22y, a = 0.650" or 600y, a = 0.719".  Combined mag., colors.  C, 9.9v at 22" physical.
1093 1D:   6.8 F5V, 7.1 F6V, 19.4y, a = 0.225". Combined mag., color.
1099 1D:   5.88 dG9, 8.83, B-V +0.99, U-B +0.79, K6V, 2101y, a = 8.023".  Close radio binary.
1101 1D:   CPM?  Position angles disagree by about 40d.
1110 1D:   ADS 2661A, occultation double?, 7.1, 7.1v, sep. 0.3".  Component B, 11.8v at 36" optical.
1112 1D:   Component D, 8.73V, +0.10(B-V), -0.22(U-B), B8III.
1129 1D:   5y? Sep. 0.052".  vsini of secondary =<50k/s.
1131 1D:   Binary.  Combined mag., colors.  Rotational velocity B, 150:k/s.  Unresolved by speckle interferometry 1982.16.
1140 1D:   Suspected occultation binary, sep. 0.0062".  Unresolved by speckle interferometry 1981.69.
1141 1D:   CPM.
1142 1D:   Sep. 0.062". Occultation of 1972 Mar. 19 indicated mag. diff 3.4, sep. 0.010".
1145 1D:   Primary is SB, 4.6, 6.1v, sep. 0.012". Visual pair 4.4, 8.1v, sep. 69".
1149 1D:   Sep. 0.003".  Unresolved by speckle interferometry 1981.69.  Duplicity questioned.
1152 1D:   Suspected occultation double.
1153 1D:   B possibly optical.
1156 1D:   Suspected double probably single star.
1157 1D:   CPM.  Primary K1IIIab, secondary G3IV.
1160 1D:   Probably optical.
1163 1D:   Binary.
1165 1D:   Component A is occultation double, sep. 0.031". B, C, D, 8.1 A0V, 8.1 Am(A5/F0/F2) and 8.7v F2V at 117" to 190".
1165 2D:   Possibly second occultation companion at 0.001", unresolved by speckle interferometry. vsini of B 155k/s.  Numerous
1165 3D:   photometric determinations yield 6.3 for B component.  The HD gives 8.1 for 23629 and the IDS indicates 8.1.  Burnham,
1165 4D:   Double Stars, gave 7.0 vis.
1171 1D:   11.1v companion at 5" noted by Innes not confirmed.
1174 1D:   Binary.
1178 1D:   Component A SB, 4.1, 5.6, sep. 0.006" and 0.019".  B, 6.8v at 0.4".
1188 1D:   5.81 A3V, 6.21 A5V, 62.28y, a = 0.430".  Resolved by speckle interferometry 1983.93, sep. 0.66".
1189 1D:   Binary with HR 1190.
1190 1D:   Binary with HR 1189.
1193 1D:   Suspected occultation double.
1202 1D:   Companion F4V, optical.
1203 1D:   AB CPM, B 9.16V B8IV; C, 9.12V at 33" optical; D, 10.35V, +0.713(B-V), +0.20(U-B), at 92" optical; E, 9.90V, A2V,
1203 2D:   +0.33(B-V), +0.17(U-B), at 120" physical.
1205 1D:   Companion A0, CPM.
1209 1D:   CPM? Component A possibly optical counterpart or companion of X-ray source 4U0352+30. Possibly a triple system with a
1209 2D:   neutron star moving around the optical primary in 22.4 hrs., and either apsidal period 581d or close double moving
1209 3D:   around a distant component in 581d. Rotational velocity of primary, vsini 306k/s.  Component ADS 2859B is normal M1III,
1209 4D:   not T Tau type as once assumed.
1210 1D:   AB CPM.  Component C, 11.4v at 101" optical. P, 12.5v at 279".
1211 1D:   Binary with HR 1212.  C, 10v at 165".
1212 1D:   Binary with HR 1211.
1219 1D:   AB combined mag. and color.  C, 12.7v at 23".
1220 1D:   AB CPM. B, 7.39V, -0.03(B-V), -0.52(U-B), B9.5V, vsini 300:k/s.
1230 1D:   5.54 gG8, 6.29 A7, 415.1y, a = 1.00".
1243 1D:   Component B, F8V, optical.  Third component mag. diff 6.13v, at 100".
1252 1D:   A is occultation binary, sep. 0.033", unresolved by speckle interferometry 1981.68.  Spectrum binary; vsini of
1252 2D:   early-type component 160k/s.  AB, mag. diff 6.5v, sep. 25.5".
1260 1D:   AB fixed. Some confusion in literature as to which component is A, which B. SZ CAM is Np = B, 6.94V, +0.41(B-V),
1260 2D:   -0.53(U-B), O9.5V, vsini 160:k/s. Colors of both components have been described as "yellowish" even though both have
1260 3D:   B-type spectra. Component Q, 10.39V, +0.58(B-V), -0.26(U-B).
1278 1D:   CPM with GC 4949 at 12' = ADS 2995, a triple system 7.3 dK2, 9.0 sep. 1"; C at 234".
1279 1D:   CPM. B is dG8.
1280 1D:   Primary of ADS 3006 is occultation binary, sep. 0.05". Visual companion, 9.3v at 4.4", CPM.
1303 1D:   A* 4.13 G0Ib, 0.778y, a = 0.019".  AB CPM; B, 11.8v at 15".  C , 10.25V, +0.47(B-V), +0.06(U-B), B8.
1308 1D:   B, 13.6v at 8"; C, optical.
1309 1D:   6.0 F2V, 6.1 F3V, 7.18y, a = 0.135".  Resolved by speckle interferometry 1983.93, sep. 0.09".
1311 1D:   AB binary; C, 12v at 32" optical.
1318 1D:   AB binary, B is G2V.
1321 1D:   CPM with HR 1322.
1322 1D:   CPM with HR 1321.
1325 1D:   BC 9.51 A2, 11.18 M4Ve, 252.1y, a = 6.943".  Component B is white dwarf. Component A, CPM.
1329 1D:   Duplicity questioned.
1331 1D:   Visual primary is speckle-interferometric double, sep. 0.076". Visual companion 10.7v at 166".
1339 1D:   CPM with HR 1341.
1340 1D:   Optical.
1341 1D:   CPM with 1339.
1347 1D:   C, 11.8v at 49".
1348 1D:   Optical.
1349 1D:   Astrometric binary unresolved by speckle interferometry.
1351 1D:   Binary.
1357 1D:   Binary. Combined mag., colors.
1359 1D:   Secondary F7V, vsini 90k/s.
1364 1D:   CPM.  Companion G0V.
1366 1D:   B, 13.0v at 36" optical.
1369 1D:   CPM.  Component A suspected occultation double; component B, G2V, strong lithium.
1374 1D:   AB 6.6 F1V, 6.9 F3V, 76.92y, a = 0.500". Combined mag., color.  Component C, 12v at 37" optical; D, 8.25V, +0.57(B-V),
1374 2D:   +0.04(U-B), G0 at 45" CPM.
1378 1D:   AB CPM.  B is A0. Component A suspected occultation double.
1381 1D:   5.8 A3V, 5.9 A4V, 51.6y, a = 0.18", or 55.40y, a = 0.20".
1382 1D:   Optical.
1387 1D:   Kappa1 Tau is occultation double. Together with Kappa2 = HR 1388 they form a multiple system of at least
1387 2D:   6 components.
1388 1D:   See HR 1387.
1389 1D:   AB binary; C, 11v at 77" CPM.
1391 1D:   AP 7.2 dF5, 7.2, 13.15y, a = 0.133"; occultation binary.  Component B, 12.4v at 126".  Speckle interferometric sep. of
1391 2D:   AP 0.093" 1980.94; 0.094" 1983.93.
1392 1D:   The visual primary is SB, 4.6, 6.5v, sep. 0.020".  Component B, 12.5v at 110".
1394 1D:   Visual primary is occultation double. Component B, 11.1 at 137".
1398 1D:   AB optical?  C, 11v at 4" from B.
1403 1D:   Primary is SB, 6.2, 7.0v, sep. 0.01".  Visual secondary is 10.5v at 161", probably optical.
1405 1D:   Binary.  Components G1V and G5V.
1406 1D:   AB binary; C, 11.32V at 121" optical. Fourth component 13.3v at 17" from C.
1407 1D:   Sep. 0.024".
1410 1D:   6.8 A2, 7.0, 175.7y, a = 1.250".
1411 1D:   CPM with HR 1412.  Not clear if there are one or two occultation companions: mag. diff 3.8v, sep. 0.082", another
1411 2D:   possible mag. diff 8v, sep. 0.2".
1412 1D:   CPM with HR 1411.  Close occultation binary, 3.5, 5.8v, sep. 0.005".
1417 1D:   AB binary. B, 6.94V, +0.16(B-V), -0.70(U-B), B1IV?  vsini =<25k/s.
1419 1D:   Suspected of being double; probably single.
1422 1D:   5.7 F0V, 7.98 G2V, 189.5y, a = 1.01" (alternates 180.0y, a = 1.00"; 170y, a = 1.029").  Combined mass 2.82 solar.
1422 2D:   Speckle interferometric sep. 1.300" (1980.94).
1424 1D:   CPM.
1427 1D:   Component A of visual pair is occultation double 5.6, 5.6v, sep. 0.02"; component B, 6.7v at 250".
1442 1D:   Binary. No change after 113y.
1449 1D:   CPM.
1454 1D:   A* 4.27 G8II+B, 28.67y, a = 0.054"(not confirmed).
1455 1D:   Visual duplicity questioned.  Unresolved by speckle interferometry 1983.93.
1457 1D:   AB binary.  B is 13.5v, dM2 at 31".  CD, 122" from A is 11.2, 13.6v sep. 2" also binary but independent of AB.
1458 1D:   CPM.  Companion 7.84V, +0.54(B-V), +0.04(U-B), F8V.  vsini =<25k/s.
1460 1D:   CPM.  Companion A7V.
1462 1D:   Component C optical.
1465 1D:   3.8 A0IIIp, 4.3 B9IV, 13.00y, a = 0.212". Combined mag., colors.  Companion 10v at 78" optical.
1466 1D:   AB 5.8 F0V, 7.4 F9V, 26.25y, a = 0.18" or 26.797y, a = 0.157".  ABxC 5.6, 7.3, 425.0y, a = 1.38".  Component D, 13.2v at
1466 2D:   at 24" optical.  Spectral classes component A, A9V; B, F8V; C, F8V.
1470 1D:   Occultation indicated mag. diff 0.37v, sep. 2.117" (half the visual sep.) and PA 78d in contrast to visual 194d.
1474 1D:   IDS gives AB, 5.3, 11.8v sep. 30". Optical. Component C by Wallenquist.
1478 1D:   Binary with HR 1479 at 431" and with fainter SB companion, 7.4v at 0.0015".
1479 1D:   Binary with HR 1478.
1486 1D:   280.0y, e 0.56, a 0.45", i 51.9d, mag. diff 0.0.
1490 1D:   AB, CPM. Third component by Wallenquist, mag. diff 6.42, sep. 90".
1492 1D:   B is 11.9 at 34". Uncertain which of components B,C is the brighter:  discordant magnitudes.
1496 1D:   Seen as double only in 1877 and 1923.
1497 1D:   AB CPM, 4.3, 8.9v sep. 0.1", 28y? C, 7.3A1V at 63" vsini 100k/s, physical.  D. W. Dunham gives 4.9, 5.6v sep. 0.1" and
1497 2D:   4.9, 6.4 sep. 0.0005".
1502 1D:   CPM.
1504 1D:   7.2 G5V, 7.3 G6V, 552.30y, a = 3.164".  Combined mag., colors.  Both components also classified G3V.
1505 1D:   CPM with HR 1506.
1506 1D:   CPM with HR 1505.
1543 1D:   Visual companion probably optical.
1555 1D:   CPM.
1557 1D:   Companion optical.
1563 1D:   CPM with HR 1564.  B-V for combined light.
1564 1D:   CPM with HR 1563.
1568 1D:   AB 4.5, 7.8, 284.0y, a = 0.78".  C, 11v at 26" CPM, possibly physical.
1580 1D:   Optical group.
1589 1D:   136.0y, e 0.32, a 0.425", i 88d, mag. diff 1.0.
1590 1D:   Component A suspected occultation double.  Two visual companions.
1592 1D:   Binary.
1593 1D:   CPM.
1600 1D:   AB probably optical.  B, 8.0v B9; C, 9.8v at 54"; D, by Wallenquist, mag. diff 7.1 at 90".
1604 1D:   AB 5.94 F3V, 7.28 F9V, 54.62y, a = 0.507".  Component C, 8v at 54", optical.
1605 1D:   ADS 3605A.  A* 2.98 var. A8Iap.  Five visual and one astrometric components.  AB visual binary, B, 14v at 29"; C,
1605 2D:   11.26V, +1.83(B-V), +1.31(U-B), at 43"; D, 12.0v at 46".
1609 1D:   Fixed with HR 1610.
1610 1D:   Fixed with HR 1609.  Colors for combined light.
1619 1D:   BC binary 7.7, 10.7v sep. 0.5"; AxBC binary, B = GC 6148 A1IV?, vsini 53:k/s; D, 9.5 at 130".
1620 1D:   Probable double, 5.4, 5.4v, sep. 0.4".
1622 1D:   Optical pair with HR 1623.
1623 1D:   Optical pair with HR 1622; C, 10.8v at 173" from B; D, 13.3 at 16" from B.
1637 1D:   A,B,C, CPM; D, optical; E, 12.3v at 132" from A.
1656 1D:   5.6 G4V, 5.6 G4V, 1.19y, a = 0.18"; or 2.38y, a = 0.10"; or 5.8y, a = 0.11".  Combined mag., colors.  Sep. 0.099".
1656 2D:   Unresolved by speckle interferometry 1983.93.
1659 1D:   A is SB, 5.7, 7.7v sep. 0.0004".  Visual companions 12.0 at 13", 8.6 at 35".
1660 1D:   Primary of visual pair is possible occultation double, 6.8, 6.8v, sep. 0.3"; secondary, 9.1v at 111.5" is BD +21d764.
1664 1D:   5.78 Am, 6.62 Am, 198.9y, a = 1.04". Mean mass 1.7 solar. Combined mag., colors. CPM with ADS 3712 = GC6270, 9.8, 8 K2
1664 2D:   sep. 3" at 348".
1669 1D:   AB, CPM.
1670 1D:   BC 8.6 dG7, 9.1, 32.1y, a = 0.217".  CPM with component A.
1671 1D:   ADS 3722B, K0III-IV, RV +72k/s.
1676 1D:   Suspected visual double probably single: unresolved by speckle interferometry.
1686 1D:   B, dF5, optical. C observed only once.
1690 1D:   Binary.
1696 1D:   CPM companion G8Ve, strong lithium.
1698 1D:   AB fixed.  B, 8.4v, F7V at 7"; C, 11.8 at 182".
1701 1D:   AB 6.9 A4V, 7.1 A6V, 312y, a = 0.383". Combined mag., colors. C, 13v at 7", may be physical.
1705 1D:   CPM.  Combined mag., colors.  Companion B9V, optical?
1706 1D:   AC binary. B, 11v F4V at 13" optical.
1707 1D:   Binary. Component B, 9.50V, +0.47(B-V), +0.09(U-B), F4IV.
1708 1D:   AP 0.6 G5III, 1.1 G0III, sep. 0.04", 0.285y, a = 0.054", masses 2.67 and 2.55 solar.  Combined mag., colors.  Capella is
1708 2D:   first star for which an orbit was determined from interferometer measures, by Anderson at Mt. Wilson in 1920.  Speckle
1708 3D:   sep. 0.040" 1981.24 and 1981.68; 0.055" 1982.16.  CPM with component H, a close binary, 10.0 dM1, 13.7 dM5 sep. 2" at
1708 4D:   723" from A, probably physical with A.  Other components all faint and distant from A.
1712 1D:   Component B doubtful, possibly the nebula. C 10.7V at 30".
1713 1D:   AxBC, CPM. BC binary, 7.6 B8II, 7.6v sep. 0.12". D, 15.4v at 44".  BC also classified B5V+B5V.  For B, vsini =<39k/s.
1726 1D:   CPM.
1728 1D:   Possible CPM with HR 1732.
1729 1D:   B, 13.4v at 29". C, 12.1v at 42" and D, optical.
1732 1D:   Possible CPM with HR 1728.
1736 1D:   Fixed. Companion spectral class A.
1741 1D:   CPM. Companion 9.64V, +0.76(B-V), +0.19(U-B), G1IV-V.
1747 1D:   Component B optical.
1753 1D:   Fixed with HR 1754.
1754 1D:   Fixed with HR 1753.
1759 1D:   CPM.
1764 1D:   Component B optical.
1770 1D:   Fixed. Secondary 7.17V, -0.12(B-V), -0.63(U-B), B5Vn, B8nnp or B3V, RV -58k/s, vsini 350k/s, optical.
1771 1D:   AB binary; C, 9.2v K0 at 61" optical.
1773 1D:   AB fixed.
1778 1D:   Companion A5IV, vsini 124k/s.
1779 1D:   CPM.  Companion F6V.
1780 1D:   Companion optical.
1782 1D:   BC 7.8 F8V, 7.9 F8V, 48.0y, a = 0.34".  AxBC physical.
1788 1D:   ADS 4002A is SB triple system, abc with periods 9.2y and 7.989d.  Speckle interferometry gives 9.219y, a = 0.036" for
1788 2D:   for ab x c.  Visual components AB, binary, 3.8, 4.8v, sep. 1.650"; C, 9.4v at 115".  The total mass of the quintuple
1788 3D:   system exceeds 50 solar masses, the most massive component being about 17 solar masses.
1800 1D:   359.1y, e 0.19, a 0.28", i 50.9d, mag. diff 0.3.
1808 1D:   ADS 4038A is occultation double. B and C are 10.1v at 305" and 11.8v at 343".
1810 1D:   ADS 4048A is occultation double, equal magnitudes, discovered during occultation of Feb. 26, 1901 by Innes.  The three
1810 2D:   visual companions:  B, 12.39V at 38"; C, 11.55V at 59"; and D, 11.6 at 74" may all be CPM with A; however, B and C may
1810 3D:   possibly be optical.
1811 1D:   AB about 6300y. B, 10.3V, vsini 96k/s. C, 12.3v at 83", optical.
1812 1D:   Companion F5.
1818 1D:   AB, 6.9, 7.2v sep. 0.2" binary.  C, 6.8v A0.  Combined mag. and colors of AB.
1821 1D:   AB binary, B is A0V; colors for combined light.  C, 11.5v at 141".
1825 1D:   Companion 7.62V, +0.94(B-V), +0.69(U-B), G8III.
1829 1D:   AB binary; C, 12.0v at 64"; D, 10.5 at 206"; E, 10.5 at 241".
1834 1D:   CPM.  Companion 9.70V, +0.71(B-V), +0.15(U-B), F7V.
1839 1D:   4.49 B5IV, 5.82 B7V, 586y, a = 1.293".  Combined mag. and colors.
1842 1D:   AB fixed. Combined mag., colors.
1847 1D:   Companion is B7IV, vsini 291k/s, optical.
1851 1D:   Binary with HR 1852, q.v.
1852 1D:   Binary with C = HR 1851.  Component B, 14.0v at 33".
1857 1D:   CPM.
1861 1D:   CPM.
1863 1D:   All components CPM?  CD binary, 8.9v A0V, 9.7v sep. 0.8" at 30" from A, physical.
1872 1D:   Suspected visual double probably single. Unresolved by speckle interferometry.
1873 1D:   Companion has K-type spectrum.
1879 1D:   A,B,C fixed.  B is HR 1880.  Colors for combined light.  Blended mag., 3.39V.  C is 11.2v at 29", optical; D, 11.2
1879 2D:   at 78".
1880 1D:   See HR 1879.
1883 1D:   CPM.
1886 1D:   Fixed with HR 1887.
1887 1D:   Fixed with HR 1886.
1892 1D:   Binary. COPERNICUS spectra and IR photometry yielded no evidence on the companion.
1893 1D:   ADS 4186AC fixed at 13".  C = HR 1895.  ADS 4186 and 4188 together appear to form one complex multiple system whose
1893 2D:   brightest components are ADS 4186C = HR 1895 and ADS 4188A = HR 1897.  These two components are double star STF 17 which
1893 3D:   IDS lists as part of ADS 4188.  Thus, the 9 components of ADS 4186 and the 4 of ADS 4188 form one system of at least 12
1893 4D:   components.  Those of ADS 4186 range from mag. 5.4 to 16.7v, all within 22" of A.  ADS 4188 has two other
1893 5D:   companions in addition to HR 1895:  B, 6.5v at 53" and C, 7.6v at 129" from HR 1897.
1894 1D:   Fixed with HR 1895 at 17".  See HR 1893.
1895 1D:   See HR 1893. Fixed with HR 1896 at 13".
1896 1D:   See HR 1893, 1895.
1897 1D:   ADS 4188AB fixed at 52". B is 6.38V, -0.05(B-V), -0.93(U-B), B0.5V; vsini 17k/s. See HR 1893.
1898 1D:   CPM.
1899 1D:   AB fixed.  B is B7IV; vsini 50k/s.
1902 1D:   AB binary, both components B8IV. Combined magnitude and colors.
1911 1D:   CPM. Combined mag., colors.
1912 1D:   BC, 10.0, 12.2v, sep. 11.3" at 55" from A, optical.
1914 1D:   AB 6.0 G5III, 6.3 A2V, 53.2y, a = 0.135". Combined, mag., colors.  C, 8.57V, +0.28(B-V), +0.09(U-B), F0V at 12",
1914 2D:   physical; D, 11.5v at 33".  Resolved by speckle interferometry 1983.93, sep. 0.12".
1921 1D:   Suspected occultation double.
1925 1D:   Component B, 9.9v M1 at 99", is BD +53d935, CPM.  Component D is F5.  Other companions 12.4 and 12.8v.
1928 1D:   Triple system:  SB and third component 8.5v at 0.32".
1931 1D:   AB 4.1 O9.5V, 5.1 B0.5V, 170y, a = 0.247". Combined mag. and colors.  C, 8.79V, A2V at 11" may be physical; D, 6.62V,
1931 2D:   -0.20(B-V), B2V, at 13" and E = HR 1932, at 42" CPM with A.  A multiple system similar to trapezium.  ADS 4241 possibly
1931 3D:   the most massive visual binary known, 35 solar masses.
1932 1D:   See HR 1931.  Speculation that component E may be captured star older than the other components.
1944 1D:   Except B all companions at distances 41" to 129" from A, and 5 of them mag. 8 to 10v.
1945 1D:   CPM, B is 7.18V, -0.04(B-V), -0.14(U-B), B9.5V, vsini 120k/s.
1946 1D:   5.3 B3IV, 5.9 B3V, 95.36y, a = 0.357".  Equal components. Combined mag., colors.
1948 1D:   AB 1.88 O9.5Ib, 4.02 B2III, 1508.6y, a = 2.728".  Colors for combined light. Blended magnitude 1.76V, 18 and 6 solar
1948 2D:   masses.  B is HR 1949.  C is 9v at 58", possibly physical.
1949 1D:   See HR 1948.
1959 1D:   CPM.
1967 1D:   AB 6.5 F5V, 6.9 F6V, 20.10y, a = 0.201".
1978 1D:   BC, 9.5, 13.0v, sep. 1.3" at 17" from A, optical.
1982 1D:   CPM with HR 1983.  C, 11.0v at 45".
1983 1D:   CPM with HR 1982.
1986 1D:   CPM.  Companion 8.97V, +0.55(B-V), +0.08(U-B), G0IV.
1987 1D:   Optical.
1992 1D:   Third component mag. diff 6.29V, 80" from A.
1993 1D:   Component B optical.
1997 1D:   AB binary.  C, 7.2v A0 at 75", CPM.
1999 1D:   Binary. Companion F0.
2012 1D:   Companion optical.
2013 1D:   Third component, visual, 11.6v at 15".  Reality of the occultation binary, sep. 0.01", has been questioned.
2021 1D:   CPM.  Combined mag., color.
2047 1D:   Possibly triple system.  Magnitudes of separate components unknown.
2047 2D:   A*, 14.25y, a = 0.095".  Probably low-mass companion.
2050 1D:   Optical.
2053 1D:   AB optical.  C, 12v at 45".
2061 1D:   Components B-E all 11 to 14.5v at sep. 40" to 174" from A. D 13.5 at 77", optical.  Speckle interferometric observations
2061 2D:   in 1983 November (Karovska et al. 1986, ApJ, 308, 360) show A to be a triple system with closer companion at 0.06"
2061 3D:   (mag. diff. 3.4 at H alpha) and more distant companion at 0.51" (mag. diff. 4.6 at H alpha).
2067 1D:   All companions optical.
2088 1D:   AB binary.  C, 14.1v at 13".
2095 1D:   AB binary , combined mag., colors. B is 7.2v G2V. C, 11v at 49" optical.
2096 1D:   AB probably binary.  B, 11v at 2".  Component C, K0III, optical.
2099 1D:   126.0y, e 0.56, a 0.265", i 75.4d, mag. diff 1.4.
2111 1D:   Optical.
2114 1D:   C, 13.0v at 20" from B.
2116 1D:   Suspected occultation double.
2123 1D:   BC, 9.0, 10.0v, sep. 0.6", CPM with A.
2124 1D:   AB 4.4 A2V, 6.0 F3V, 17.5d, a = 0.276"; ABxP, 18.25y, a = 0.089".  Magnitude and colors for combined light.  A is alpha
2124 2D:   CVn var., SB1, 4.45d; B is SB2, 4.78d.  Component C, 14v at 18" probably optical.
2128 1D:   Binary.
2130 1D:   Triple system, SB, sep. 0.0014".  Third component found by occulation, 6.5v at 0.060".
2134 1D:   AB 4.7 G6III, 5.1 G8III, 13.17y, a = 0.19".  Combined mag., colors.  Component A is SB, 4.9, 6.9v, sep. 0.0013".
2134 2D:   Speckle interferometric sep. 0.128" 1982.17, 0.086" 1983.93.  Component C, 13.0v at 101".
2135 1D:   Occultation binary, sep. 0.02".
2137 1D:   Confusion as to whether B or C is the brighter, B at 18", C at 84" from A.
2140 1D:   C is 15v at 21".
2146 1D:   CPM.  Companion 10.72V, +0.90(B-V), +0.25(U-B), F7V.
2149 1D:   Sep. 0.097".
2157 1D:   CPM with HR 2158.
2158 1D:   Binary 5.9, 9.4v sep. 5", CPM with HR 2157.
2162 1D:   7.2 G5, 7.4, 463.5y, a = 2.94".
2173 1D:   AB binary, combined mag., colors. C 14.4v at 18".
2174 1D:   AB CPM. B is 6.94V, +0.04(B-V), -0.02(U-B), A0V, vsini 120k/s.  Component C, 8.9v at 118". HD erroneously assigned the
2174 2D:   preceding number, HD 42092, to the fainter following component of ADS 4749.  Consequently the data for the two primary
2174 3D:   components are sometimes interchanged. vsini for component A is 250k/s.
2175 1D:   Binary with HR 2176.
2176 1D:   Binary with HR 2175.
2181 1D:   Sep. 0.099".
2186 1D:   6.4 F5V, 6.5 F5V, 18.2y, a = 0.203".
2190 1D:   IUE observations of uv continuum suggest an early-type companion, B9 or A1III-IV.
2214 1D:   Binary. Occultation indicates sep. 0.27".
2216 1D:   AB, 473.7y, a = 1.08".  B is 8.8v at 1.4".  A is suspected occultation double, 3.4, 5.4v, sep.  0.03".  Masses A, 12.4;
2216 2D:   B, 5.5 solar.  The three components are surrounded by a gaseous envelope.
2217 1D:   AB CPM. B is dF0; C 12.3v at 202" optical. D, 11.5v at 120" from A.
2220 1D:   B and C optical.  Aitken and Wallenquist disagree on magnitude difference:  Aitken AB 6.0, AC 5.3, AD 4.8; Wallenquist
2220 2D:   5.6, 7.6, 7.3, respectively.  Separation 25", 76" and 86", respectively.
2222 1D:   Companion, RV -2k/s, optical.
2230 1D:   Suspected occultation double, 6.9, 6.9, sep. 0.1".
2236 1D:   6.8 F5, 7.0, 28.1y, a = 0.165".
2237 1D:   132.7y, e 0.52, a 0.24", i 55.7d, mag. diff 0.3.
2247 1D:   AP 6.1 A2IV, 9.0y, a = 0.109".  B and C both 8.4v at 63" and 117", both optical.  D, 11v at 5" from C.  AP resolved
2247 2D:   by speckle interferometry 1983.93, sep. 0.06".  Aa resolved by speckle interferometry 1983.93, but unresolved 1983.94.
2253 1D:   AB binary. B, 13.0v at 2". C, optical? 13.28V, +0.56(B-V), +0.34(U-B).
2254 1D:   Optical.
2257 1D:   AB binary.  C, 12.9v at 26".  D, 11.0 at 100".  AE magnitude difference 6.24V, sep. 70".
2274 1D:   AB optical. B is F8.
2280 1D:   6.8 A3V, 7.4 A6V, 120y, a = 0.448".
2284 1D:   AB CPM.  C at 56", optical?
2285 1D:   CPM.
2291 1D:   Possibly faint visual companion at 50".
2293 1D:   B, 10v at 31" optical; C, G8III probably optical. D, 12v at 80".
2298 1D:   Binary with HR 2299.  Combined light 4.30V, +0.21(B-V).  Component C, 12.2v at 93".
2299 1D:   See HR 2298.
2304 1D:   Speckle interferometric double, 6.5, 6.9v, sep. 0.055".
2309 1D:   CPM companion F0V; however, the companion is optical.
2310 1D:   IUE observations suggest an early-type companion, about A0.
2328 1D:   Fixed sep.
2339 1D:   Sep. 0.003".
2343 1D:   AA' probably combined light and color.  This may be the SB pair, 4.3, 6.0v, sep. 0.2".  B, 8.5V A1V at 113",
2343 2D:   vsini 141k/s, is binary with C, 8.9v, sep. 0.2".  Component P, 15.1V at 24" optical.  Other components faint at 54"
2343 3D:   to 92".
2356 1D:   Triple system with HR 2357 and 2358. Combined mag., color 3.74V, -0.15(B-V), all Be stars.  AB, 17000y; AC, sep. 10",
2356 2D:   29000y.  Component D, 12.2v at 26" from A.  Uncertain which of components A,B,C, HR 2356,7,8 is the light variable
2356 3D:   NSV 2977, for which the mag. 3.75V is a blend of all three.
2357 1D:   See HR 2356.
2358 1D:   See HR 2356.
2366 1D:   AB binary. B is K0V.  Component C, 11.4v at 45" optical.
2370 1D:   Double emission lines of which red component variable intensity.  Component B, 9.09V, -0.05(B-V), -0.30(U-B), B9IVe,
2370 2D:   RV +6k/s, vsini 201k/s.
2373 1D:   Companion F5V, optical.
2378 1D:   Optical.
2384 1D:   Quadruple system, AB 6.1 G5, 6.2, 52.9y, a = 0.484".  CoD = -50d2440, 9.7, 9.8v sep. 0.5" at 12" from AB, 105.6y, a =
2384 2D:   0.535".  AB, CD are CPM.
2397 1D:   Companion 8.70V, -0.08(B-V), -0.40(U-B), A0V, optical?
2404 1D:   Fixed sep.
2421 1D:   A* 1.93 A0IV, 12.9y, a = 0.038".
2423 1D:   CPM.  Companion 7.65V, +0.32(B-V), +0.02(U-B), F2V.
2424 1D:   AB binary.  C, 11.5v at 21".
2425 1D:   Discovered by both occultation and speckle interferometry 1978, sep. 0.075"; 1983.93, sep. 0.13".
2431 1D:   6.9 G0V, 7.3 G1V, 29.0y, a = 0.295". Combined mag., color.
2433 1D:   Companion A2V.
2456 1D:   AB binary, 4.8 Oe5, 7.6 B7; C, 9.9v B8V at 17", physical, vsini 141k/s; D, 9.7v A6III at 41", physical, vsini 115k/s;
2456 2D:   E1 the brighter component of E, B5V at 74", probably optical, vsini 253k/s; E2, A0V, vsini 132k/s.
2462 1D:   Binary. Companion A0.
2467 1D:   Some spectral lines appear double, indicating separation of about 110k/s and vsini of 90 and 75k/s.
2468 1D:   CPM.
2470 1D:   AB 5.37 A2n, 5.95 A2V, 699.0y, a = 1.660"; vsini of B 100k/s.  C, 7.1v at 8", physical.
2473 1D:   Companion 9.22V, +1.13(B-V), +0.91(U-B), K0III-IV.
2475 1D:   Companion has A-type spectrum.
2478 1D:   Optical.
2481 1D:   CPM.
2483 1D:   Companion orange, optical.
2485 1D:   CPM with 2486.  Hardly any change in 110y.
2486 1D:   See HR 2485.  Color for combined light. Mag. for blended images 5.52V.
2491 1D:   AB -1.46 A1V, 8.49 A1V, 50.090y, a = 7.500" or 49.94y, a = 7.62".  D, 14.0v at 32" from A.  C, companion to B at 1.4"
2491 2D:   suspected but not confirmed.  B is first white dwarf ever discovered; predicted by Bessel (1844) on basis of orbital
2491 3D:   motion of Sirius, it was first seen by Alvan Clark in 1862, and its peculiar high temperature, small size and great
2491 4D:   density established by W. Adams in 1925.
2499 1D:   6.81 A1V, 7.01 A2V, 1057.8y, a = 1.536". Combined mag., colors.
2519 1D:   Component B, 13.31V at 27.5", optical.
2520 1D:   AB 5.7 G4III comp., 6.9 A2, 480y, a = 0.736".  Combined mag. and color.  C and D 6.3 and 6.2 pv fainter than AB.
2528 1D:   AB binary.
2529 1D:   Optical.
2530 1D:   CPM.
2539 1D:   AB fixed.
2545 1D:   AB binary. B discordantly classified B9V: or A6:, vsini 158k/s.
2560 1D:   AB binary.  C, 13v at 29" optical.  D, 9.5 at 207".
2564 1D:   AB 4.8 A9Vp, 7.6 G6V, 1943.8y, a = 8.194".  Combined mag., colors.
2588 1D:   Component B is 9.3v K5 at 44"; D, 9.5 at 130".
2590 1D:   CPM.
2593 1D:   AB fixed.
2605 1D:   7.1, 7.1v, sep. 0.040".  Resolved by speckle interferometry 1983.93, sep. 0.06"; unresolved 1984.93 and 1985.25.
2612 1D:   6.9 F8IV-V, 7.1 F8IV-V, 16.74y, a = 0.218".  Combined mag., colors.
2618 1D:   Fixed sep.
2620 1D:   AC, mag. diff 6.1v, sep. 32"; AD, mag. diff 6.1v, sep. 60"; AE, mag. diff 6.4v, sep. 50".
2621 1D:   Component B, M5III; component C, F6V, optical.
2628 1D:   Component X, K-type spectrum, optical.
2631 1D:   Sep. 0.020".
2644 1D:   AB binary.
2650 1D:   Component A is suspected occultation double, 4.5, 4.5v, sep. 0.1".  B, 10.5v at 87". C, +20d1686, 7.55V, +0.62(B-V), +0.
2650 2D:   +0.07(U-B), G1V at 96" has high proper motion, 0.100", optical, vsini =<54k/s.  Other components fainter.
2667 1D:   CPM with HR 2668 and third component, 9.2v K2 at 200".
2668 1D:   See HR 2667.
2670 1D:   Component B, 10.3v, F5III.
2677 1D:   AB binary A9V, F6V.  CPM with C, 10.0v at 37".
2678 1D:   Component C, 9v at 18" probably optical.
2684 1D:   AB optical.
2697 1D:   AB CPM.
2699 1D:   Component B, 11.3v, F3V.
2711 1D:   AB 7.18 F8V, 7.23 F8V, 116.50y, a = 0.929". Combined mag., colors.  C, 12.5v at 16" optical.
2725 1D:   Optical.
2733 1D:   Companion 9.07V, +0.77(B-V), +0.35(U-B), G1III or G5III, RV -3k/s, optical?
2735 1D:   Binary with HR 2736.
2736 1D:   Binary with HR 2735.  Combined mag. and colors, 3.63V, +0.91(B-V), +0.60(U-B), +0.48(R-I).
2745 1D:   31?y. Sep. 0.098".
2762 1D:   Companion optical.
2763 1D:   ADS 5961A is dubious occultation double, 4.0, 5.0v, sep. 0.045".  B, 10.7v at 10" is CPM.
2764 1D:   B, 6.01V, +0.49(B-V), dF0, optical.
2768 1D:   CPM.
2777 1D:   AB 3.55 F0IV, 8.18 K3V, 1200y, a = 6.975".  Component A is SB, 3.7, 5.7v, sep. 0.2".
2782 1D:   B, 10v at 8" fixed. D, 8.22V, -0.19(B-V), -0.93(U-B), B2V at 85".
2783 1D:   Binary with HR 2784. Component C, 10.9v at 74".
2784 1D:   Binary with HR 2783. Component D, 8.9v A0V at 215".
2793 1D:   AB CPM.  C, 12.7v at 42" optical.
2795 1D:   B optical.
2808 1D:   Suspected occultation double.
2813 1D:   Binary with HR 2814.
2814 1D:   Binary with HR 2813.
2827 1D:   Companion is A0V, optical, vsini =<54k/s.
2829 1D:   Companion F5V, optical.
2837 1D:   Suspected occultation double.
2842 1D:   Combined mag. and colors with HR 2843, 6.15V, +0.25(B-V), +0.15(U-B).
2843 1D:   See HR 2842.
2844 1D:   AB binary: B, 10.1v sep. 1"; C CPM.
2846 1D:   A is occultation triple, 5.9, 6.4v sep. 0.001" and 7.5v at 0.047".  Visual companions B, 9.5v at 43" CPM; C, 10.5v at
2846 2D:   146".
2849 1D:   Optical?
2851 1D:   CPM.
2852 1D:   B, 12.5v at 3" CPM.
2859 1D:   ABC fixed.  B, 8.1B; C, 8.6 B8V or B9p Hg Mn: at 20".  Mag., color for combined light.
2868 1D:   AB 6.4 F4V, 7.5, 1090.9y, a = 3.684".  C, 11.5v M0 at 21" orbital period around AB probably over 10000y. Component D,
2868 2D:   12v at 42" optical?
2870 1D:   Mag. and colors for combined HR 2870-1, 5.94V, -0.16(B-V), -0.67(U-B).
2878 1D:   CPM.  Companion G5V.
2879 1D:   CPM.  Companion F8V.
2883 1D:   CPM?
2886 1D:   Suspected occultation double, 5.4, 7.0v, sep. 0.15".  Resolved by speckle interferometry 1983.94, sep. 0.18".
2890 1D:   Binary with HR 2891.  Combined colors.
2891 1D:   AB 1.98 A1V, 2.88 A5Vm, 511.30y, a = 7.369 or 420.07y, a = 6.295". C, 8.8v M1Ve at 73" is physical member of sextuple
2891 2D:   system in which A,B,C are all SB.
2896 1D:   AB binary.  Resolved by speckle interferometry 1983.94, sep. 0.24".
2909 1D:   Binary with HR 2910.  Colors for combined light. Magnitude of blended images 5.09V.
2910 1D:   See HR 2909.
2921 1D:   AB fixed; B, 12.2v at 5".  C, 9.71V, +0.03(B-V), -0.23(U-B), B9.5V, optical?
2922 1D:   Companions optical.  C is G type, strong lithium.
2927 1D:   AB, CPM. B, 13.2v at 26".
2937 1D:   Triple system, components all about same mag. and within about 1".
2938 1D:   Occultation binary, sep. 0.03".
2943 1D:   AB .35 F5IV-V, 10.3, 40.65y, a = 4.548".  Binary nature first revealed in 1840 by variable proper motion; companion
2943 2D:   first seen in 1896. Component C, 11.7v at 122" optical.
2944 1D:   Unresolved by speckle interferometry.
2948 1D:   Binary with HR 2949 at 10".  C, 13.8v at 6" optical. Colors for combined light AB. Combined mag. 3.82V.
2949 1D:   See HR 2948.
2950 1D:   AB binary.
2960 1D:   Optical.
2979 1D:   Binary with HR 2980.  Colors for combined light. Blended mag. 6.34V.
2980 1D:   See HR 2979.
2990 1D:   All the visual companions optical.
3003 1D:   D. W. Dunham gives 5.8, 5.8v, sep. 0.1".
3009 1D:   Binary with HR 3010.
3010 1D:   Binary with HR 3009.
3013 1D:   C optical. Some disagreement as to which of B and C is the brighter.
3029 1D:   Binary. Companion dG3.
3050 1D:   Binary, 211.8y, e 0.17, a 0.265", i 59.1d, mag. diff 0.2.
3055 1D:   Companion B9V, RV -72k/s, optical.
3064 1D:   5.6 F9V, 6.2 G4V, 23.18y, a = 0.58".  Combined mag., colors. Masses 0.86 and 0.99 solar.
3070 1D:   Optical.
3072 1D:   6.4 F2, 6.7, 30.8y, a = 0.295".
3079 1D:   Binary.
3098 1D:   7.0 F5V, 7.1 F7V, 57.04y, a = 0.44". Combined mag., colors.
3104 1D:   Occultation double.
3142 1D:   CPM with HR 3143.
3143 1D:   CPM with HR 3142.
3157 1D:   Companion B9IIIp.
3162 1D:   Fixed sep.  Companion 8.77V, +1.30(B-V), +0.07(U-B), M6III, optical.  May be Mira-type variable.
3164 1D:   Binary. Combined light and colors.
3174 1D:   B is A0.  BC double 8.6, 13.0 sep. 1".
3177 1D:   Component B, 8.66V, -0.09(B-V), -0.52(U-B), B9IV.
3183 1D:   Companion not confirmed.
3186 1D:   Companion K0.
3188 1D:   B, 10.1v G8II at 33" optical.  C is K2III.
3194 1D:   Companion A5III, optical.
3205 1D:   Components B6V and B9V.
3206 1D:   Component B of 5 stars within 2' of HR 3207.
3207 1D:   See HR 3206.  Mag. and colors blended with other companions.  C = CoD -46d3848, 7.65V, B6V at 63", physical. D, 9.07V,
3207 2D:   Am at 94", SB, over 7d?, optical.
3208 1D:   Combined mag. and color for 3208-9-10, 4.67V, +0.53(B-V).  AB 5.63 F7V, 6.02 F9V combined colors (AB), 59.7y,
3208 2D:   a = 0.884".  Component C = HR 3210.
3209 1D:   See HR 3208. ABxC, 1150y, a = 7.96".
3210 1D:   See HR 3208.  C* 6.20 G5V, 17.5y, a = 0.191".  Astrometric companion also found by occultation, 9.0v.  Cc resolved by
3210 2D:   speckle interferometry.
3222 1D:   Suspected occultation double.
3236 1D:   B, 9.78V, +0.39(B-V), -0.02(U-B), F5IV.
3244 1D:   Companion K5V, RV +7k/s, optical.
3249 1D:   CPM.
3260 1D:   CPM, A2IV, F2V.
3278 1D:   7.1 A, 7.4, 435y, a = 0.654" or 241.4y, a = 0.569".
3283 1D:   Companion A2V, optical.
3291 1D:   AB, sep 0.100", unresolved by speckle interferometry.
3301 1D:   CPM with HR 3302.
3302 1D:   CPM with HR 3301.  C, 8.5v at 38" from B, binary.
3310 1D:   Binary with HR 3311.  Colors for combined light.
3311 1D:   See HR 3310.
3312 1D:   Binary with HR 3313.
3313 1D:   BC 8.6 dF6, 8.6, 21.82y, a = 0.19".  Also binary with A, HR 3312.
3315 1D:   B, K1III optical.
3323 1D:   B is 15v at 7", CPM.  C and D optical.
3327 1D:   Binary with HR 3328.
3328 1D:   Binary with HR 3327.
3330 1D:   Component B, CoD-51d3003, 10.2v, B8V, optical.  Third component G3V may be physical.
3333 1D:   Uncertain if double or triple; 6.4, 6.9, sep. 0.25", other possible component 7.0v at 3".  Occultation obs. uncertain.
3337 1D:   AB 7.1 A5m, 7.2 late F, 53.0y, a = 0.321".  C, 10.5v at 18" binary around AB.
3343 1D:   AP 6.6, 6.6v binary. Combined mag. and colors.  B, 9.7v at 25" optical.
3345 1D:   Companion 10.3v, F2V, optical?
3352 1D:   CPM.
3357 1D:   Occultation pair 6.4, 6.4v, blended mag. and colors.  Visual component 10v at 63".  Suspected as double by Innes from
3357 2D:   observation of occultation of April 28, 1898 (references:  Astron. Nachr. 150, 423, 1899; MNRAS, 61, 416, 1901;
3357 3D:   Cape Ann. 2, part 6, 1907).
3358 1D:   AP, 6.4, 6.4v, sep. 0.176", combined mag., color.  Components B, 7.7v at 4" binary with AP, C, 9.3v at 19".
3359 1D:   Components B2III and B2.5V.
3362 1D:   Equal components reported; however, duplicity not confirmed.
3381 1D:   AB 6.9 A7, 7.0, 136.5y, a = 0.568".  Combined mag. and color.
3386 1D:   SKYLAB indicates cool star with hot companion.
3395 1D:   CPM with HR 3396.
3396 1D:   See HR 3395.
3397 1D:   7.2 G5IV-V, 7.2 G5IV-V, 13.9y, a = 0.160". Combined mag., colors.
3399 1D:   Components M1IIIa and G7IIIb.
3427 1D:   Components B, 6.60V, +0.01(B-V), +0.03(U-B), A0III at 150", vsini =<40k/s; P, 9.22V, +0.39(B-V), +0.01(U-B) at 134"; and
3427 2D:   Q, 8.81V, +0.32(B-V), +0.09(U-B), F2V, at 135", vsini 86k/s, form a physical system with A. B is 40 Cnc; Q is +20d2161.
3428 1D:   ACD a physical group: C, 7.70V, +0.20(B-V), +0.16(U-B), Am, vsini <45k/s.  D, 9.39V, +0.41(B-V), +0.03(U-B), F5V at
3428 2D:   83". B, 10.37V, +0.59(B-V), +0.11(U-B), G0IV-V at 21", CPM.
3430 1D:   AB 5.3 G3V, 6.7 K0V, 145.0y, a = 1.700" or 140.0y, a = 1.8884".  Combined mag., colors.
3434 1D:   6.5 F3IV, 7.6 F6V, 66.5y, a = 0.527".  Combined mag., color.
3439 1D:   Companion A2V.
3441 1D:   Optical.
3442 1D:   CPM?  Companion F0IV.
3449 1D:   Component A suspected occultation double.  Three visual companions.
3461 1D:   AP, suspected double, unresolved by speckle interferometry. Visual companion 12.2v at 38" optical.
3466 1D:   Binary with HR 3467. Component C 8.0v at 0.5" from B.
3467 1D:   See HR 3466.
3472 1D:   Binary. Companion is dF3.
3474 1D:   Binary with HR 3475.
3475 1D:   Binary with HR 3474.
3482 1D:   AB 3.8 G5III, 4.7 A8IV or F0V, 15.05y, a = 0.238".  Speckle interferometric sep. 0.263-0.272", 1980-3.  Combined mag.,
3482 2D:   colors.  ABxC, 3.4, 7.8, dF7 at 3" from AB, 890y, a = 4.536".  Component D, 12.7v at 19" from A, in hyperbolic orbit
3482 3D:   about ABC, periastron distance, 29".
3485 1D:   AB binary with CPM double companion CD at 69".  CD 11.0, 13.5v sep. 6".
3489 1D:   Components B8III and B7IV.  Component B, RV +24k/s.
3492 1D:   CPM.
3494 1D:   Wide CPM pair with HR 3496.
3496 1D:   See HR 3494.
3510 1D:   Sep. 0.05", but duplicity doubtful.
3522 1D:   CPM.
3523 1D:   AB binary.  Other components optical.
3527 1D:   CPM.
3532 1D:   AB binary.  B is K0.
3542 1D:   Binary.  Combined mag., colors.
3550 1D:   Suspected occultation double.
3551 1D:   6.1 Am, 6.1, 7.24y, a = 0.1036".  Combined mag., color.
3552 1D:   Binary with HR 3553.
3553 1D:   Binary with HR 3552.  Colors for combined light. Blended mag., 6.08V. Levato indicates spectral classes G5III+A0V, both
3553 2D:   vsini =<50k/s.
3556 1D:   IDS gives two other components.  CD, both 11v sep. 2.5" but does not indicate separation from A or B.
3563 1D:   7.0, 7.0v; combined mag., colors.  Unresolved by speckle interferometry.
3569 1D:   BC 10.8, 11.0, 39.69y, a = 0.68". BC is dM1.  BCxA: 817.91y, a = 9.092". Separation rapidly decreasing.  ADS 7114Aa,
3569 2D:   11.02y, a = 90.354".  This is the SB pair.
3572 1D:   ADS 7115A is questioned close double.  Combined mag., colors, 5.0, 5.0v, sep. 0.1".  B is 10.8v at 11", binary.
3579 1D:   AB 4.11 F5V, 6.18 G5V, 21.85y, a = 0.619". Combined mag., colors. Companions C - E optical. Masses A, 1.13; B, 0.84
3579 2D:   solar.
3582 1D:   Fixed.  B is B9.5V. vsini both components 0k/s.
3587 1D:   AB fixed.
3590 1D:   CPM.  Companion F3IV.
3594 1D:   4.2 A0IV-V, 4.4 A0V, 70.1y, a = 0.27" or 64.29y, a = 0.26".  Mag., colors for combined light.
3598 1D:   Optical.
3616 1D:   AB 4.85 F7IV-V, 8.16 K2V, 1067.1y, a = 6.20".  C, probably optical.
3617 1D:   AB binary.  B is F5V.  C, optical.
3622 1D:   Binary.
3623 1D:   Triple SB system.  Combined mag., colors.
3624 1D:   B, optical.
3627 1D:   Unresolved by speckle interferometry.
3640 1D:   Unresolved by speckle interferometry.
3644 1D:   BC, 10.5, 10.8v, sep. 0.3", CPM?
3648 1D:   Noted by W. Herschel as double, sep. 49", is probably error:  single star.
3650 1D:   AP 7.2 G9V, 7.2 G9V, 2.65y, a = 0.126".  Resolved by speckle interferometry 1983.94, sep. 0.17".  Combined mag.,
3650 2D:   colors.
3661 1D:   AB 6.7, 7.2v sep. 0.11".  Combined mag., colors of ABC.
3665 1D:   AB optical.
3680 1D:   Binary, combined mag., colors.
3689 1D:   Optical.
3690 1D:   AB binary.
3697 1D:   AB, mag. diff 4.6v, binary.
3701 1D:   AB 6.50 F3V, 6.74, 389.05y, a = 1.516".
3704 1D:   Binary.
3709 1D:   AB CPM. BC, 6.87v F5V, 9.0v K2V, sep. 9", physical. B, 7.04V, +0.35(B-V), +0.03(U-B), vsini =<60k/s.
3712 1D:   AB 6.1 F4V, 6.1, 3.2y, a = 0.124".
3715 1D:   CPM.  Components B9V and A0V.
3720 1D:   AB binary.  C, 10.0v at 7", CPM?
3724 1D:   AB 7.3 A2, 7.4, 58.93y, a = 0.150".   Combined mag., colors.
3725 1D:   CPM.
3731 1D:   AB binary.
3744 1D:   AB combined mag., colors.  C, 11.5v at 10.7".  All three CPM.
3750 1D:   CPM.
3752 1D:   CPM.
3754 1D:   5.87 dF8, 6.53, 116.85y, a = 0.875" or 118.227y, a = 0.880".
3755 1D:   CPM.
3757 1D:   AB binary.  C, 10.5v at 100", optical.
3759 1D:   CPM.
3770 1D:   Optical.
3775 1D:   CPM.
3779 1D:   Companion 9.54V, +0.44(B-V), +0.03(U-B), F6V.
3780 1D:   CPM with HR 3781.
3781 1D:   CPM with HR 3780.  Mag. and colors for combined light, 5.76V, +0.05(B-V), +0.05(U-B).
3782 1D:   Suspected occultation double.
3786 1D:   4.1 F2IV, 4.6 F0V, 33.99y, a = 0.795". Combined mag., colors.
3792 1D:   Optical.
3800 1D:   Suspected double unconfirmed by speckle interferometry.
3806 1D:   Binary.  Secondary F0.
3811 1D:   AB fixed?  B is F5.  C, at 118".  Probably optical.
3815 1D:   Binary?
3817 1D:   Secondary B8V, vsini 157k/s.
3818 1D:   CPM.  Companion F8V. Discordant magnitudes and colors: Nicolet:  A = 7.86V, -0.10(B-V), -0.43(U-B); B = 9.07V,
3818 2D:   +0.55(B-V), +0.01(U-B). USNO Photoelectric Catalogue: A = 6.36V, +0.01(B-V), +0.03(U-B); B = 9.51V, +0.50(B-V),
3818 3D:   +0.03(U-B).  Component A suspected occultation double.
3826 1D:   Suspected occultation double; possibly SB.
3840 1D:   CPM.
3844 1D:   CPM.
3852 1D:   Component B, 9.9v at 85".
3858 1D:   Companion G8V, RV +14k/s, optical.
3863 1D:   6.0 A2, 6.1, 10.72y, a = 0.142".  Combined mag., colors.
3871 1D:   5.4 F7V, 5.6 F8V, 18.32y, a = 0.134".  Combined mag., colors.
3880 1D:   Binary 7.0, 7.2v, sep. 0.031", resolved by speckle interferometry at 4-meter Mayall telescope, but unresolved 1983.96
3880 2D:   at Pic du Midi.  Combined mag., colors.
3888 1D:   CPM.
3889 1D:   AB, about 200y.  B also A8IV.
3890 1D:   CPM with HR 3891.  Mag. and colors for combined light, 2.96V, +0.27(B-V), +0.12(U-B), +0.29(R-I).
3891 1D:   See HR 3890.
3894 1D:   5.30 A3IV, 5.38 A3IV, 105.5y, a = 0.360".  Combined mag., colors.
3898 1D:   Secondary B9.
3909 1D:   AB 5.58 A1V, 6.07 A4V, 77.55y, a = 0.383".  Combined mag., colors.  C, 12.28V at 36" optical.
3916 1D:   Binary.
3925 1D:   Binary.  Combined mag., colors.
3940 1D:   Companion K0III, optical.
3943 1D:   CPM companion A0III; however, the companion is optical.
3947 1D:   CPM.
3951 1D:   Fainter component is BD+32d1968.  Probably optical.
3963 1D:   AC binary. B, 12v at 12" optical. C, 7.0v A0, vsini 50k/s.
3973 1D:   Suspected occultation double.
3975 1D:   Binary, sep. 0.097", unresolved by speckle interferometry 1982.17.
3976 1D:   5.3 K0IV, 6.9 G5V, 232y, a = 0.64". Combined mag., colors.
3979 1D:   ABxC, CPM. C is 13.0v at 28".
3980 1D:   CPM.
3982 1D:   AB binary, B, 8.13V, +0.86(B-V), +0.51(U-B), K1V. BC, 7.6, 13.1v, 2000y, a = 4.163".
3994 1D:   Visual companions both optical.
3998 1D:   CPM.
4021 1D:   AB binary. Both A and B Am stars.  vsini both components =<25k/s.  B is 7.36V, +0.30(B-V), +0.19(U-B).
4028 1D:   7.2 dF2, 7.5, 552.0y, a = 1.299" or 810.5y, a = 1.198".  Combined mag.
4031 1D:   Primary unresolved by speckle interferometry 1982.17.
4039 1D:   Companion is M1.
4043 1D:   6.9 A5V, 7.0 A5V, 124.0y, a = 0.435". Combined mag., color.
4057 1D:   AB 2.22 K0IIIP, 3.47 G7III, 618.56y, a = 2.505".  B is HR 4058.  Colors for combined light.  Mag. for blend, 1.90V.
4057 1D:   Component C is the flare star AD Leo (8.07-11.00B) at 5', optical.
4058 1D:   See HR 4057.
4065 1D:   CPM?  Combined mag., colors.  Components A1V and A1Vn.
4074 1D:   AB binary?
4085 1D:   B, 13v at 8", optical.
4098 1D:   CPM.
4100 1D:   4.40 G8III-IV, 6.12 F8V, 37.92y, a = 0.340".  Combined mag., colors.
4101 1D:   Primary is occultation double, 6.7, 6.7v, sep. 0.02".
4112 1D:   Triple CPM and common RV system.  B = BD+56d1458, 9.94pg; C = BD+57d1266, 8.99pg.
4118 1D:   Companion F9Ve, strong lithium.  Primary is SB.
4122 1D:   AB CPM.  B is F6V.  C, 9.5v at 64" optical.
4124 1D:   Optical.
4128 1D:   B = CPD-60d1944 = HD 91269, 7.54V, -0.08(B-V), -0.57(U-B), B5Vne, shell star.
4132 1D:   Visual companion optical.
4133 1D:   4.4, 4.8v, sep. 0.11"; combined mag., colors.
4134 1D:   Companion K5, optical.
4135 1D:   Fixed with HR 4136.  Mag. and color for combined light, 5.16V, -0.15(B-V), -0.62(U-B).
4136 1D:   See HR 4135.
4143 1D:   CPM?  Companion spectral class A.
4148 1D:   A is SB.  Visual companion 8.5v at 2.4"; CPM.
4157 1D:   6.7 F4V, 7.5 G0V, 210.1y, a = 0.982". Combined mag., color.
4158 1D:   Optical.
4161 1D:   Companion A8III, optical.
4167 1D:   4.2 F3IV+F0V, 5.1 A6V, 16.30y, a = 0.340".
4177 1D:   Fixed.  Combined mag., colors.  Companion A5V.
4179 1D:   Optical.
4180 1D:   Probably CPM.  B is B8.  C, 11.2v at 20" from B.
4185 1D:   Lambda 4200 star.
4189 1D:   Companions optical.
4191 1D:   AB CPM.  B is GC 14751, dG0.
4193 1D:   AB binary.  B is K0III.
4201 1D:   Sep. 0.03", but duplicity doubtful.
4211 1D:   CPM with HR 4212.
4212 1D:   CPM with HR 4211.
4216 1D:   2.7 G5III, 6.4 G2V, 116.24y, a = 1.437".  Secondary also classified F8:V:.
4249 1D:   CPM.  Companion 8.75V, +0.58(B-V), +0.01(U-B), G0V, RV = +18k/s.
4251 1D:   B, optical.
4253 1D:   Suspected visual binary unresolved by speckle interferometry.
4259 1D:   Binary with HR 4260.  Colors for combined light. Blended mag. 4.32V.
4260 1D:   See HR 4259.
4265 1D:   AB 6.1 F2III, 8.0, 128.34y, a = 0.823", or 90y, a = 0.75.  Visual primary is SB, sep. 0.001".
4291 1D:   Suspected occultation double.
4294 1D:   Optical.
4301 1D:   1.87 K0III, 4.81 F0V, 44.4y, a = 0.603".  Also classified K0II-III + A8V:.  Combined mag., colors.  Also CPM at 280"
4301 2D:   with HD 95638 = GC 15179, 7.12V F8; SB, 6.04d.
4302 1D:   Unresolved by speckle interferometry.
4303 1D:   Suspected occultation double.
4305 1D:   CPM.
4309 1D:   AB, CPM.
4314 1D:   5.6 F4V, 5.7 F4V, 7.40y, a = 0.140".  Combined mag., colors.
4347 1D:   6.7 B9V, 7.1 A1V, 233.0y, a = 0.383".  Astrometric binary. Combined mag., colors.
4351 1D:   Fixed sep.
4352 1D:   Fixed sep.
4355 1D:   Companion A0, optical.
4363 1D:   CPM.
4365 1D:   If secondary is on main sequence, the spectral class is inferred to be F1V.
4369 1D:   AB CPM.  B, 11.5v at 1".  C, optical.
4374 1D:   Binary with HR 4375, q.v.
4375 1D:   AB 4.32 G0V, 4.79 G0V, 59.840y, a = 2.530". Combined colors.  Mag. for blend 3.79V. AB, first visual double for which an
4375 2D:   orbit determined, in 1828 by Savary. Third component astrometric with A, 1.832y, a = 0.055".
4377 1D:   CPM.
4390 1D:   4.3 B5VN, 5.0 B6V, 39.18y, a = 0.277".  Combined mag., colors.
4399 1D:   4.03 F2IV, 6.70 G3V, 192.0y, a = 1.92"; possible subsystem with period about 16y.  Combined mag., colors.  Combined
4399 2D:   mass about 3 Suns.
4400 1D:   Sep. 0.0034", discovered by occultation.
4409 1D:   Companion not confirmed.
4414 1D:   AB 6.51 K0IV, 7.57 K2IV-V, >4000y.  Combined mag. 6.16V.  C, 9.9v at 90" probably physical.
4422 1D:   ADS 8175AB, 8.2 dG5, 4500y.
4423 1D:   Primary SB.  Visual companion A3V.
4437 1D:   5500y.  Circular orbit. Companion, K6IV.
4439 1D:   5.75 F6V, 7.07 G3V, 72.87y, a = 0.813".  Combined mag., colors.
4441 1D:   Possibly wide physical pair with HR 4442.
4442 1D:   See HR 4441.
4443 1D:   CPM with HR 4444.
4444 1D:   CPM with HR 4443. Combined colors. Combined mag. 5.00V.
4453 1D:   Binary.
4456 1D:   AB binary.  Combined mag., colors.  B is B6.  C, 9.64V F5 at 63".
4465 1D:   AB long period binary. C, 11.17V at 21" optical.
4467 1D:   Companion B9V, optical.
4471 1D:   Duplicity doubtful.
4484 1D:   CPM.
4486 1D:   AB binary.
4490 1D:   CPM.
4492 1D:   5.5 G0, 6.3 A0, combined mag., colors.
4501 1D:   Resolved by speckle interferometry 1986.44, sep. 0.03".
4503 1D:   AC CPM.  C, 8.44V, +0.50(B-V), +0.035(U-B), F7V.
4512 1D:   Optical.
4531 1D:   6.0 A8V, 8.3 G2V, 122.0y, a = 0.68", 180y, a = 1.00".  Combined mag., colors.
4534 1D:   B, 15.7v at 40" physical; C, 13v at 80" optical.
4540 1D:   Companions optical.
4544 1D:   Suspected occultation double.
4549 1D:   Combined mag., colors.
4550 1D:   The reality of the companion, CF UMa, announced by P. van de Kamp (see Low Luminosity Stars, ed. S. S. Kumar, p. 199,
4550 2D:   1968) has been questioned (PASP, 96, 557, 1984).  Unresolved by speckle interferometry 1980.47.
4557 1D:   CPM.  Combined mag., colors.
4560 1D:   Binary with HR 4561 = ADS 8347D.  AB binary 7.2, 9.0 sep. 0.3".  ABxC, 8.4 at 4" also binary.
4561 1D:   See HR 4560.
4564 1D:   Discovered as double by W. Herschel, sep. 90" but no visual companion subsequently seen at that separation.
4574 1D:   AB, CPM. B, 12.5v at 7". D, 12v at 140".
4579 1D:   Doubtful if double.
4580 1D:   Optical.
4581 1D:   Fixed sep.
4602 1D:   Binary. Companion A9V.  vsini both components =<50k/s.
4608 1D:   Unresolved by speckle interferometry 1982.17.
4610 1D:   CPM.
4615 1D:   AB combined mag., colors.  C, 8.2v A3 at 9", CPM.
4618 1D:   CPM with HR 4619, 4621.
4619 1D:   CPM with HR 4618, 4621.
4621 1D:   CPM with HR 4618, 4619.
4651 1D:   CPM.
4652 1D:   Binary.  Combined mag., colors.
4661 1D:   6.8 F5, 7.9.
4666 1D:   Binary. Companion 8.77V, +0.57(B-V), +0.09(U-B), F7V.
4673 1D:   CPM.
4677 1D:   Binary with HR 4678.
4678 1D:   Binary with HR 4677.
4679 1D:   Companion G8III, optical.
4689 1D:   4.9, 5.4, sep. 0.008".  Also astrometric and interferometric double, 5.4v sep. 0.124", position angle changed 35d in
4689 2D:   1.5yrs.
4695 1D:   Primary may be close double 5.8, 5.8v, sep. 0.6".  Visual companion 11.6v at 132".
4696 1D:   Companion F6III optical.
4697 1D:   CPM.
4698 1D:   Companion also dF2.
4707 1D:   AC binary.  C, 8.55V, +0.52(B-V), +0.01(U-B), F7V.  Component B, 12.52v at 35" optical.
4708 1D:   Binary.  Secondary is dK5.
4718 1D:   Components K3IIIab and F8IV.
4719 1D:   AB 6.76 A7V, 7.79 F4V, 678.0y, a = 1.30".
4729 1D:   Component C of triple system with HR 4730-4731, at 90" CPM.
4730 1D:   AB 1.35 B0.5IV, 1.75 B3n or B0.5Vn, q = 0.916".  Mag. and colors for blend of HR 4730-31, 0.76V, -0.25(B-V), -1.00(U-B),
4730 2D:   -0.24(R-I).  Masses 14 and 10 solar for hyperbolic orbit with periastron distance 61 AU.
4731 1D:   Binary with HR 4730, CPM with 4729.
4734 1D:   Faint CPM at 542" S. prec.
4751 1D:   CPM with HR 4752.  Component C, 14.7V at 2" from B.
4752 1D:   CPM with HR 4751.
4757 1D:   CPM.  B is K2Ve, lithium strong.
4758 1D:   AB 6.5 G0V, 8.6, 161.53y, a = 1.385".
4789 1D:   Resolved by speckle interferomtery 1986.45, sep. 0.31".
4791 1D:   Binary with HR 4792.
4792 1D:   Binary with HR 4791.
4798 1D:   Companion B4V, optical.
4804 1D:   CPM?  Combined mag., colors.
4806 1D:   Companion B7p.
4819 1D:   AB 2.9 A0III, 2.9 A0III, 84.50y, a = 0.930". Combined mag., colors.
4821 1D:   Binary with HR 4822, q.v.
4822 1D:   Binary with HR 4821.  Colors for combined light. Mag. of blend, 5.27V.  Component C, 10.5v at 59" optical.
4825 1D:   AB 3.48 F0V, 3.50 F0V, 171.37y, a = 3.746". Speckle interferometric sep. 3.674", 1982.38.  Combined mag. 2.75V.  Colors
4825 2D:   for combined light.  Component C, 15v at 53", optical.
4826 1D:   Binary with HR 4825, q.v.
4844 1D:   3.7 B2V, 4.0 B3V, 383.12y, a = 1.735". Combined mag., colors.
4848 1D:   Probably optical.  CPM?  Companion A3p.
4853 1D:   Interferometer measures indicate close double or multiple star.  Component B, 11.4v, F8V, optical; C, 7.5v, B8.
4869 1D:   Optical.
4870 1D:   Equal components.
4877 1D:   B, optical.
4891 1D:   Suspected occultation double.
4892 1D:   CPM with HR 4893.
4893 1D:   CPM with HR 4892.
4894 1D:   AB 5.05 G8III, 7.22 F3V, 510y, a = 1.42", or 674.23y, a = 1.897"; masses 2.7 and 1.4 solar. Component C, 9.74V,
4894 2D:   +0.73(B-V), +0.31(U-B) G3IV-V 29", possibly physical, although a hyperbolic orbit has been computed with periastron
4894 3D:   about 400 years ago.
4898 1D:   CPM with HR 4899.
4899 1D:   CPM with HR 4898.
4901 1D:   Combined mag., color, 6.7, 6.8v, sep. 0.100"; occultation double.
4902 1D:   Close binary, sep. 0.040", unresolved by speckle interferometry.  If companion on main sequence, the inferred spectral
4902 2D:   type is F6V.
4908 1D:   Companion K0III.
4914 1D:   Binary with HR 4915.
4915 1D:   Binary with HR 4914.
4917 1D:   AB binary?  C, 10.4v at 124" optical?
4921 1D:   CPM.  Component A suspected occultation double.
4924 1D:   CPM.
4925 1D:   AB CPM.  C, 13v at 36" optical.
4926 1D:   BC, 9.5, 9.9v sep. 2".  AxBC optical.
4931 1D:   5.05 F2V, 7.43 G6V, 109.97y, a = 1.270" or 106.7y, a = 1.281".  Combined mag., colors.
4935 1D:   CPM?  Combined mag., colors.
4940 1D:   Companion K0Ve, high lithium abundance.
4942 1D:   CPM companion F7V.
4948 1D:   AB CPM.  BC, 11.9, 12.1 sep. 0.4" in 1901, single in 1958.  Companion at 149" from A, noted by John Herschel, small
4948 2D:   nebula.
4952 1D:   CPM. vsini of secondary 110k/s.
4963 1D:   A is SB and speckle interferometric binary, third component 9.4v, sep. 7.1".  B, 8.00V, +0.20(B-V), -0.09(U-B), CPM.
4967 1D:   ADS 8805BC.  Binary?  C, 11.2 at 1".  A is HR 4971, not CPM.  ADS and IDS differ on naming of the components. IDS,
4967 2D:   adopted here, is the more consistent with FGW Struve's early discovery.
4968 1D:   AB 5.05 F5V, 5.08 F5V, 25.87y, a = 0.662".  Colors, spectrum for combined light.  Mag. of blended HR 4968, 4969 is
4968 2D:   4.32V.  ADS 8804A speckle interferometric sep. 0.43" 1978.40, 0.58" 1981.47.
4969 1D:   Binary with HR 4968, q.v.
4975 1D:   AB 5.0 B8V, 5.7 B9V, 27.0y, a = 0.185".  Combined mag., colors.  C, 8.4v at 2" physical.
4978 1D:   7.2 A5V, 7.3 A5V, 19.0y, a = 0.118".  Combined mag., color.
4981 1D:   B, 12.5v at 79". Component C at 184" discovered by John Herschel in 1897 not seen 1908 or later.
4990 1D:   Binary.
4993 1D:   Component B, 8.2 A0p, Am?, CPM.
4998 1D:   Optical.
5010 1D:   Companion is GC 17977, 8.2v A2, CPM.
5039 1D:   Possibly double.
5054 1D:   Aa = AP 3.0 A2V, 3.0 A2V, sep. 0.0115", 0.056y, a = 0.012".  Combined mag., colors AP.  Binary with HR 5055.  Alcor,
5054 2D:   HR 5062, at 709", CPM.
5055 1D:   Binary with HR 5054, q.v. Sep. 14". ADS 8891B also astrometric binary, 57y, a = 0.13".
5056 1D:   Interferometer indicates visual component A is multiple system.  Occultations yield three companions: 3.1v at 0.0025",
5056 2D:   4.5 at 0.05" and 7.5 at 0.5".  Combined mag. and colors. Visual component B, 12.0v at 148".
5059 1D:   Comp. A is speckle interferometric binary, sep. 0.045".
5062 1D:   CPM with HR 5054-5.
5074 1D:   CPM with HR 5075.
5075 1D:   CPM with HR 5074.
5082 1D:   Component B is CPD -76d769. CPM.
5088 1D:   Binary.
5089 1D:   4.5 G8III, 4.7 G9III, 78.7y, a = 0.165".  Combined mag., colors.
5094 1D:   Unresolved by speckle interferometry.
5106 1D:   AB 6.5 A1, 6.9, 197.7y, a = 0.563".  C, 12v at 26" optical.
5108 1D:   Optical.
5113 1D:   AB 6.2 F6V, 6.5, 34.969y, a = 0.463".  Combined mag., color.
5114 1D:   Companion 8.5v F6V, CPM.
5120 1D:   AB binary.  B is A7IV.
5127 1D:   AB 5.01 A7III, 6.91 F0V, 240.0y, a = 1.091" or 220.4y, a = 1.205".  Combined mag., colors.
5132 1D:   Companion B1p, optical.
5133 1D:   Binary.  Companion K3III.
5138 1D:   AB 6.3 F0IV, 6.3 F2IV, 22.35y, a = 0.208".  Combined mag., colors.  Masses 7 and 6 solar.
5144 1D:   AB binary.  B is Am.
5146 1D:   AB combined mag., colors.
5148 1D:   CPM.
5157 1D:   Third component 9.2v at 0.8" from A.
5159 1D:   Binary.  B = NSV 6401.
5170 1D:   Visual companion 11.7v at 44".  Primary is occultation triple, companions 8.2v at 0.039" and 8.4 at 0.061".
5171 1D:   Companion 10.01V, +0.78(B-V).
5173 1D:   AB CPM.  CD at 27", 11.9, 13.1v sep. 2", binary.
5183 1D:   CPM with +7d2692, 9.4v at 486".
5185 1D:   Binary, period several centuries.  Companion M2.
5189 1D:   CPM.
5193 1D:   Companion F2V, optical.
5207 1D:   CPM.  Companion 7.72V F0Vp.
5210 1D:   Mag. for combined light with HR 5211, 4.32V.  Probably not binary.
5211 1D:   See HR 5210.
5221 1D:   Visual companion, 8.35V, +0.36(B-V), +0.12(U-B), A3Vm, vsini 71k/s.
5222 1D:   AB 6.3 F2, 6.5, 257.7y, a = 1.268".  Mag., colors for combined light. Component E, 8.5v at 66" optical.
5223 1D:   Companion B8V.
5233 1D:   ADS 9053, 2613y, a = 4.998".
5235 1D:   A* 2.68 G0IV.  Visual component 8.8v at 113" optical.
5264 1D:   B is G type, optical.
5273 1D:   A*, 9.897y, a = 0.1075".  Unresolved by speckle interferometry 1986.45.
5294 1D:   Companion K2V.
5296 1D:   Companion K2.
5298 1D:   Suspected occultation binary.
5313 1D:   Optical companion.
5316 1D:   Component B, M3IV; C, F4V; both optical.
5320 1D:   Companion F5V, optical?
5328 1D:   Binary with HR 5329.
5329 1D:   Binary with HR 5328.
5350 1D:   AB CPM?  B is K0V.
5356 1D:   AB CPM.  B, 13.3v at 3".
5359 1D:   Combined mag., colors.  Occultation sep. 0.006", mag. diff. 1.4B.  Possibly triple star with SB.
5365 1D:   Optical.
5371 1D:   AB binary.
5375 1D:   Component A is close double, sep. 0.2", combined mag. and colors.
5385 1D:   BC 7.5 F0V, 7.6 F2V, 39.50y, a = 0.228".  Combined mag., colors.  Also binary with HR 5386 = ADS 9247A.
5386 1D:   Binary with HR 5385.
5396 1D:   Binary.  Combined mag., colors.
5397 1D:   Triple system.  BC, 7.0v A4V or A1IV, 8.2v sep. 1". vsini of B is 60k/s.
5404 1D:   CPM.
5407 1D:   ABxC, CPM. C, 10.0v at 4".
5409 1D:   AB binary.  Combined mag., colors.
5412 1D:   Companion G6Ve, optical.
5414 1D:   Fixed with HR 5415.
5415 1D:   Fixed with HR 5414.
5422 1D:   Companion K1V.
5424 1D:   Identification of companion questioned.
5430 1D:   Component C optical.
5433 1D:   6.5 A7IV-V, 6.7 A7IV-V, 30.0y, a = 0.210". Combined mag., colors.
5435 1D:   Primary found double by speckle interferometry, sep. 0.069". Component B, optical.
5439 1D:   Companion K0V.
5440 1D:   Innes catalogue indicated a faint companion at 6" in 1897, not subsequently seen.
5450 1D:   AB combined mag., colors.  C, 9.2A1V at 19" = CoD -45d9303, CPM?
5459 1D:   AB 79.920y, a = 17.515".  B = HR 5460, CPM with Proxima at 2.2d, discovered by Innes in 1915, a flare star, V 645 Cen,
5459 2D:   12.4 - 13.4p, 11.10V, +1.88(B-V), +2.05(R-I), M5.5Ve.
5460 1D:   See HR 5459.
5463 1D:   Binary.  Companion K5V.
5475 1D:   Binary with HR 5476.  Colors for combined light. Mag. for blend, 4.53V.
5476 1D:   See HR 5475.
5477 1D:   Binary with HR 5478, q.v.
5478 1D:   AB 4.52 A2III, 4.55 A2III, 123.44y, a = 0.595".  Colors for combined HR 5477-5478.  Combined mag. 3.78V. vsini 156k/s
5478 2D:   for blended HR 5477-8.
5492 1D:   Binary.
5497 1D:   Binary, components F0V, G1V.
5504 1D:   7.0 F7V, 7.2, 25.95y, a = 0.297".
5505 1D:   Binary with HR 5506.
5506 1D:   Binary with HR 5505.  Colors for combined light. Mag. of blend, 2.37V.
5520 1D:   CPM?
5523 1D:   AB and AE binary.  B = Am(A2/A6/A8)s.  C and D optical.  E 12.5v at 27".
5527 1D:   In Innes catalogue, 6.5, 6.5v sep. 0.5" in 1913.  Not confirmed.
5528 1D:   Binary.
5530 1D:   CPM with HR 5531 at 231".  Component A, HR 5531, is the suspected occultation double, 3.4, 3.8, sep. 0.01".
5531 1D:   CPM with HR 5530.  Suspected occultation double.
5537 1D:   AB binary, B is G7V.
5538 1D:   Binary.  Combined mag., color.
5544 1D:   AB 4.74 G8V, 6.9 K4V, 151.505y, a = 4.904".  Combined mag., colors.  Masses 0.89 and 0.74 solar. Perturbation period
5544 2D:   2.2y, a = 0.020" suspected; unresolved by speckle interferometry.  Component C optical.
5549 1D:   B, 10.8v at 13", CPM.
5550 1D:   6.8 F4IV, 7.5 G1IV, 215.4y, a = 1.09". Combined mag.
5559 1D:   CPM?  Combined mag., colors.
5568 1D:   AB 5.79 K4V, 7.93 M2V, q = 20.388" hyperbolic orbit. Component B is dM2.
5569 1D:   CPM.
5577 1D:   6.3 A4V, 6.6 A6V, 339.3y, a = 0.93". Combined mag., colors.
5582 1D:   AB CPM.  B is G8V.
5583 1D:   CPM.  Companion M1.
5594 1D:   AB CPM.  Component C, 14v at 32" optical.
5597 1D:   CPM.  Component B F4V.
5605 1D:   Binary with HR 5606.  Colors for combined light. Blended mag. 3.88V.  vsini for combined light.
5606 1D:   See HR 5605.
5618 1D:   5.3 F5V, var. G2V+G2V, 225.0y, a = 3.772". Combined mag., colors. Combined mass 2.1 solar.
5626 1D:   4.6 B3V, 4.9 B3V, 72.88y, a = 0.422". Combined mag., colors.
5627 1D:   CPM.  Companion A5.
5633 1D:   6.7 A2V, 6.8 A1V, sep. 0.08", 8.0y, a = 0.10".  Combined mag., colors.  Unresolved by speckle interferometry.
5634 1D:   Both companions optical.
5637 1D:   IUE observations show a B8V companion 2.5 mag. fainter than primary.
5642 1D:   Optical pair with HR 5643.
5643 1D:   See HR 5642.
5646 1D:   CPM with HR 5647.
5647 1D:   See HR 5646.
5649 1D:   CPM.  B is F8.  Nearly same proper motion as HR 5646, 5647.
5652 1D:   AP 5.1 B9IV, 5.6 B9V, 23.42y, a = 0.116", combined light, colors.  Mean mass 5 solar.  BC, 10.5, 11.2v sep. 1.9". A
5652 2D:   physical pair in orbital motion about AP at 58"; possibly quintuple system.
5654 1D:   Resolved by speckle interferometry 1986.45, sep. 0.51".
5655 1D:   7.1, 7.1v, sep. 0.03"; suspected SB, but duplicity doubtful.
5659 1D:   Binary.  Companion 7.53V, +0.35(R-I), dG6.
5661 1D:   Component C, A5V, optical.  Component B, RV -16k/s.  CPM with HR 5664.
5664 1D:   CPM with the triple star HR 5661.  Faint companion of HR 5664, G5V, probably optical.
5667 1D:   Suspected of being double. SKYLAB indicates cool star with hot companion.
5680 1D:   Companions:  B, B9V; C, A-type spectrum.
5681 1D:   CPM.
5683 1D:   AB binary.  C, 7.17V at 23" CPM.
5694 1D:   AB binary.  Some disagreement as to whether B or C, at 127" from A, is the brighter.
5697 1D:   Probable CPM.
5704 1D:   5.1 B5, 5.5 F8, 778.54y, a = 2.384" or 269.90y, a = 2.485".  Although a period has been derived, spectroscopic evidence
5704 2D:   indicates that the F8 component is a dwarf much closer to the Sun than the B5 star:  probably optical.
5708 1D:   AB binary.  Combined mag., colors.  C, 9v at 27" probably optical.
5710 1D:   CPM?
5727 1D:   AB 5.62 G1V, 5.89 G3V, 41.623y, a = 0.907".  B is HR 5728.  Colors for combined images. Mag. for blend 4.98V. Masses
5727 2D:   0.95 and 0.94 solar.  C, 13.4v at 58" optical; D, 11v at 215" probably optical.
5728 1D:   See HR 5727.
5730 1D:   Companion K5IV.
5733 1D:   Probably binary with HR 5734, a close binary ADS 9626BC.
5734 1D:   BC 6.98 dG5, 7.63, 260.10y, a = 1.463".  Combined mag., colors of BC.  Mean mass BC, 0.52 solar.
5747 1D:   First astrometric binary discovered from parallax measurements, by K. Burns, 1931.
5756 1D:   B, 8.94V, +0.55(B-V), +0.07(U-B), F6V or G0V, CPM at 11.2".  A, doubtful occultation double, mag. and color combined,
5756 2D:   sep. 0.03".
5765 1D:   BC 7.8, 8.0, combined F0V 54.3y, a = 0.225" or 57.32y, a = 0.245".  This pair binary about component A at 9.3".
5771 1D:   Companion A5.
5774 1D:   Combined mag., colors.  Companion resolved by speckle interferometry, sep. 0.040" on 1985.5.
5776 1D:   3.5 B2IV-V, 3.6 B2IV-V, 147y, a = 0.59". Combined mag., colors.
5782 1D:   Companion B, K0V; C is optical.
5787 1D:   ADS 9704 AP, sep. 0.097", unresolved by speckle interferometry.  Component B, 11.2v at 42", optical.
5788 1D:   ADS 9701, 3168y, a = 5.8432".  Binary with HR 5789, blended mag., colors.
5789 1D:   Binary with HR 5788.  CD 13.5, 14.0 sep. 4" at 65" from A, optical.
5797 1D:   CPM.
5815 1D:   Binary with HR 5816.
5816 1D:   Binary with HR 5815.  Combined mag. 5.79V.
5829 1D:   AB binary, B, 8.5 G8IV-V; C, 11.4 at 135".
5831 1D:   Companion 10.33V, +0.49(B-V), -0.01(U-B), F5V, CPM.
5833 1D:   Binary with HR 5834.  Colors for combined light; combined mag., 66V.
5834 1D:   Binary with HR 5833.
5842 1D:   AB 5.2 A1V, 5.3 AIV, 11.07y, a = 0.117".  AB combined mag., color.  Resolved by speckle interferometry 1986.45,
5842 2D:   sep. 0.05".
5846 1D:   CPM.
5849 1D:   4.08 A0IV, 5.51 A3V, 91.0y, a = 0.74".  Combined mag., color.
5851 1D:   CPM with HR 5852.  Combined mag. and colors, 5.53V, +0.23(B-V), +0.10(U-B).
5852 1D:   CPM with HR 5851.
5853 1D:   Quintuple system of which E is brightest companion; B, 12.0V at 4"; others at 172" and 208".
5854 1D:   SR? Amp. 0.2V. ADS 9765B, optical.
5856 1D:   AB binary; C, 9.0 G0 at 51" fixed.
5860 1D:   Sep. 0.097".
5864 1D:   AB, CPM.
5867 1D:   B, 9.72V, +0.84(B-V), +0.68(U-B), K3V, CPM. C, 10.7v at 201". Also CPM with BD+15d2906 at 1642", itself a double, 8.4,
5867 2D:   10.5v sep. 6".
5873 1D:   Component B, K0V.  Third component optical.
5887 1D:   Components white and orange-red.
5898 1D:   B, 10.5v at 1.08"; C, 9.1 at 45"; D, 8.7 at 48".
5900 1D:   Binary.
5904 1D:   CPM. Combined mag., color.
5906 1D:   Suspected occultation double.
5915 1D:   Binary.
5918 1D:   Companion G8V, optical.
5920 1D:   Companion F5V, optical.
5925 1D:   Binary with HR 5926.  Mag. and color for combined light, 4.585V, +0.09(B-V), +0.07(U-B).
5926 1D:   Binary with HR 5925.
5930 1D:   Suspected occultation double.
5933 1D:   Companions optical?
5944 1D:   Primary is SB, 3.4, 6.4v sep. 0.0003"; third component, ADS 9862B, 12.2v at 50".  vsini both A and B =<100k/s.
5944 2D:   Component B, F4V, optical.
5947 1D:   Component B, 12.6v at 2", CPM.
5948 1D:   AB binary.  Companion A5Vp.
5953 1D:   Possible quadruple system:  SB 3.0, 5.0v, sep. 0.00001", 3.3v at 0.1", and 4.9v at 0.186".
5954 1D:   Component B optical.
5958 1D:   Visual companion doubtful.
5961 1D:   AB 5.3 A5V, 5.5 A6V, 26.93y, a = 0.366". C, 7.5v at 11". Combined mag., colors.
5968 1D:   Companion optical.
5977 1D:   Binary with HR 5978, q.v.
5978 1D:   Quintuple system ADS 9909A-C is CPM with ADS 9910, 7.4 G8V, 8.1K0V sep. 11" at 281" from ADS 9909A. ADS 9909AB 4.9 F5IV,
5978 2D:   4.9 F5IV, 45.69y, a = 0.720". Combined mag. 4.16V, combined colors. ADS 9909C, 7.30V, +0.75(B-V), dG7 at 7", physical.
5984 1D:   CPM with HR 5985 = ADS 9913C, at 14" and with B, 5.9v at 0.5", possibly SB. Lunar occultations and speckle
5984 2D:   interferometry indicate companions 4.2v at 0.001" from A and 7.6v at 0.129" from C. Occultations by Jupiter and Io in
5984 3D:   1971 indicate complex system.  Component C occulted by Io revealed the 2.5 mag. fainter companion at 0.1".
5985 1D:   CPM with HR 5984, q.v.
5989 1D:   AB binary, B, 9.2v at 1"; C, 10.4 at 29" fixed; and D, 10.8 at 53" optical.
5999 1D:   CPM with HR 6000 at 44".  CD, 7.1, 11.7v, sep. 1.3".
6000 1D:   CPM with HR 5999. Component B, 13v at 298".
6002 1D:   CPM.
6006 1D:   Components K0.5IIIab and F4III.
6008 1D:   Optical pair with HR 6009.
6009 1D:   Optical pair with HR 6008.
6018 1D:   CPM.
6020 1D:   Physical pair with HR 6021.
6021 1D:   Physical pair with HR 6020.
6026 1D:   ADS 9951 at least quintuple system with HR 6027 of which components CD = HR 6026 binary, 6.9 B8V or B9III, 7.9v B9Vp,
6026 2D:   sep. 2".  C is -19d4332.
6027 1D:   ADS 9951A is SB, 4.9, 6.9v, sep. 0.0003".  AB, binary.  Component B, 6.9v at 1".  Components CD at 41" = HR 6026, q.v.
6027 2D:   HR 6026, q.v.
6029 1D:   Binary, companion F3V.
6032 1D:   A5, F1.
6036 1D:   Binary.
6043 1D:   AB binary. C, 10.5v at 78".
6046 1D:   Sep. 0.090".
6050 1D:   Companion, 10.73V, +0.58(B-V), +0.08(U-V), F8IV:, CPM.
6053 1D:   Sep. 0.03".
6060 1D:   Optical.
6063 1D:   AB 5.58 F8V, 6.59 G1V, 1000.0y, a = 6.599". Radio binary: component B is HR 6064. C, 13v at 9" and D, 10.8v at 71"
6063 2D:   optical.  Also, 12.5v at 633" CPM.
6064 1D:   Binary with HR 6063, q.v.
6071 1D:   A4, A7.
6077 1D:   Companion, F9V, CPM.
6084 1D:   B, 8.26V, +0.25(B-V), -0.23(U-B), B9.5V at 20", optical; vsini : 54k/s.  The visual primary is triple:  SB, 3.3, 5.3v,
6084 2D:   sep. 0.0005" and 5.5v at 0.49", discovered by occultation.
6085 1D:   CPM.
6091 1D:   CPM.
6092 1D:   ADS 10010AB, 6700y.
6095 1D:   ADS 10022B, 9.58v, optical.
6097 1D:   Components also classified B9.5V(n) and A1V(n).
6100 1D:   Sep. 0.098".
6105 1D:   Binary with HR 6106, q.v.
6106 1D:   Binary with HR 6105.  Mag. and colors for combined light, 5.41V, +0.59(B-V), +0.12(U-B).
6110 1D:   Visual companion, 9.76V, +0.87(B-V), +0.43, G7IV:.
6112 1D:   Binary with HR 6113, combined colors.  Combined mag. 4.63V.  Component C, CoD-23d12862, 7.13v, B9n, 152" CPM,
6112 2D:   vsini 180k/s; D, 6.56 B3V at 156", vsini 167k/s.  E, 8.1v, 0.6" from D.  DE is ADS 10045.
6113 1D:   See HR 6112.
6115 1D:   Companion 7.46v B9V, CPM, possibly binary with the SB.
6117 1D:   B, 12.0v at 2" CPM; C optical.
6130 1D:   Binary.  Companion gG7.
6134 1D:   Var. M1Ib, 5.5 B2.5V, 878y, a = 2.90", masses 15.5 and 7.0 solar.  Companion is radio source. SKYLAB confirms cool star,
6134 2D:   hot companion.
6137 1D:   AB binary.
6142 1D:   Components A (F5V) and B both optical.
6148 1D:   Visual companion probably optical.
6149 1D:   AB 4.16 A1V, 5.22 A4V. 129.87y, a = 0.970" or 126.78y, a = 0.95", combined mag., colors.  Component C, 11.0v, 120" CPM.
6168 1D:   Sep. 0.067". Noted as double by speckle interferometry in 1971-2, unresolved at Mayall 4-meter in 1976. Spectrum
6168 2D:   double-lined.  Resolved by speckle observations 1986.45 (Blazit et al. 1987, A&AS, 71, 57).
6169 1D:   Companion A2V, CPM; vsini 80k/s.
6174 1D:   CPM.
6178 1D:   Sep. AB, 0.102".
6184 1D:   CPM with HR 6185.
6185 1D:   AB binary with HR 6186 = component D; combined colors, combined mag.  5.08, B8V, A1V. Component C = HR 6184 CPM.
6186 1D:   Binary with HR 6185, q.v.
6187 1D:   AB binary, 5.6, 9.0v sep. 1.6". C = HD 150135, O7:, CPM.
6194 1D:   Binary with HR 6195.  Component B is speckle binary, sep. 0.145".  Component C, optical.  A companion 0.145" from B
6194 2D:   discovered by speckle interferometry.
6195 1D:   Binary with HR 6194, q.v.
6200 1D:   Optical.
6206 1D:   CPM with HR 6209 at 96".
6209 1D:   CPM with HR 6206.
6212 1D:   ADS 10157AB, 2.90 F9IV, 5.53 G7V, 34.49y, a = 1.355".  ADS 10157A*, 10.5y, a = 0.08".
6214 1D:   Secondary A5V, optical.
6216 1D:   ADS 10173AB, binary.
6220 1D:   Companion questioned.
6236 1D:   Secondary = GC 22634, 6.47V A8m. Primary, fast rotation, not Am.
6247 1D:   CPM with HR 6252 at 346".
6252 1D:   CPM with 6247 at 346".
6254 1D:   BC 9.0, 9.1, 56.75y, a = 0.267". AxBC physical.
6260 1D:   Component F, 7.3v O6, vsini 125k/s.
6265 1D:   Innes and IDS data on components and number of components appear inconsistent. Probably different cluster components
6265 2D:   measured.
6267 1D:   AB, CPM.
6272 1D:   Companion F4p.
6277 1D:   Third component 14v at 20".
6292 1D:   CPM.
6293 1D:   AC, CPM. C, 12.5v at 93".
6298 1D:   6.7 A3V, 6.9 A4V, 37.9y, a = 0.181". Combined mag., colors.
6310 1D:   Suspected occultation double.
6312 1D:   A8, F3, sep. 0.107".
6316 1D:   All companions optical.  B is A8V, C is F5V.
6319 1D:   7.1 F1V, 7.3, sep. 1.02", 577.85y, a = 1.183".
6326 1D:   Fixed sep.
6329 1D:   Binary.
6342 1D:   Component B of system with HR 6341.
6343 1D:   B, 11.0v at 1.5" CPM.
6355 1D:   Optical.
6361 1D:   CPM.
6364 1D:   Optical.
6367 1D:   6.2 A1V, 8.2 F3V, 137y, a = 0.415".
6368 1D:   Optical.
6369 1D:   Binary with HR 6370, q.v., B* 3.2y, a = 0.026"; or 7.4y, a = 0.013", 0.2 solar mass. (Some uncertainty if unseen
6369 2D:   astrometric companion is A* or B*.)
6370 1D:   AB 5.65, 5.70, combined spectrum F7V, 672y, a = 3.945" or 472.07y, a = 3.143", masses 1.3, 1.3 solar.  Combined colors.
6370 2D:   Mag. for blend, 4.92V.  C, 13v at 14" physical: revolution about AB on order 4000y.
6377 1D:   AB 6.2 A9III-IV, 6.2 A9III-IV, 8.159y, a = 0.116".  Mean mass 2.7 solar.  Alternate orbit, 16.08y, a = 0.167".  Combined
6377 2D:   colors.  Speckle interferometry indicates companion 1 mag. fainter than primary at 0.079".  However, speckle
6377 3D:   observations 1986.46 (at 7000 Ang.) give sep. 0.15".
6378 1D:   AB 3.0 A2V, 3.5 A3V, 88y, a = 0.86". Combined mag., colors.
6383 1D:   The visual companion is optical.  A companion at 0.168" has been discovered by speckle interferometry.
6392 1D:   Component B, 10.42V, +0.52(B-V); component C, 11.40V, +1.55(B-V).
6398 1D:   Sep. 0.108".  Speckle observations 1986.45 give 0.14".
6399 1D:   AB, CPM.
6401 1D:   Binary with HR 6402, q.v.  CPM with CoD-26d12036, 6.34v K5V at 700", same parallax.
6402 1D:   AB 5.05 K0V, 5.08 K1V, 548.7y, a = 13.91".  Mag. and colors for combined light, 4.34V, +0.855(B-V), +0.53(U-B),
6402 2D:   +0.44(R-I).
6404 1D:   CPM.
6406 1D:   AB, 3600y, a = 4.68". Component B is HR 6407. Combined colors.  Combined mag. 3.08V. Mass A, 14 solar. Other components
6406 2D:   faint, optical. Circumstellar lines around both A, B.
6407 1D:   See HR 6406.
6410 1D:   ADS 10424B, dG4, optical.
6411 1D:   Sep. 0.121".
6414 1D:   B is dG0, optical.
6416 1D:   AB 5.53 G8V, 8.65 M0V, 693.24y, a = 10.415", or 2205y, a = 23.90".  Various published orbits range from 242 to 2205y.
6416 2D:   Combined mag., colors.
6422 1D:   Companion is F2V.
6423 1D:   Sep. 0.108".
6424 1D:   Binary with HR 6425.
6425 1D:   Binary with HR 6424.
6426 1D:   AB 6.1 K3V, 7.6 K5V, 42.177y, a = 1.734" or 42.09y, a = 1.82", combined mag., colors.  Component C, 9.9v M2, 32"
6426 2D:   physical.  D, 12.8v at 15".
6427 1D:   Binary. Combined mag., colors, sep. 0.200".
6431 1D:   Binary.
6435 1D:   AB binary; A3, A6.  C, 11.7v at 12" CPM.
6441 1D:   CPM.
6451 1D:   Companion G5III, optical.
6458 1D:   B not CPM; optical.
6461 1D:   Possibly CPM and same RV as HR 6462, 50'N.
6462 1D:   Component B, A7V; C is optical.
6469 1D:   Recognized as triple system by speckle interferometry:  single star G5IV and close pair of which the brighter component
6469 2D:   is F7V eclipsing, sep. 0.045".
6477 1D:   AB binary. Combined mag., colors. Component C, 7.6v at 103".
6482 1D:   Fixed sep.  Companion A6V, optical.
6484 1D:   Binary with HR 6485, q.v.  Another companion with sep. 0.29" seen on 1981.47 (McAlister and Hartkopf).  Unresolved on
6484 2D:   1985.25 (Bonneau et al.).
6485 1D:   Binary with HR 6484. Combined colors. Combined mag. 4.17V.
6487 1D:   B, 14.0v at 15"; C, 12.5 at 37".
6488 1D:   dF7, CPM, sep. 0.100".  Measured sep. 0.069" on 1985.5 by speckle interferometry.
6491 1D:   F0V, CPM.
6500 1D:   Companion K0III, optical.
6510 1D:   Companion K0IV, optical.
6516 1D:   6.00 G8IV-V, 6.10 G8IV-V, 46.4y, a = 1.02". Combined mag., colors.
6524 1D:   Sep. 0.098". Seen double 1911 and 1923, elongated 1918, single 1957 and 1959, and unresolved by speckle interferometry
6524 2D:   1976.
6535 1D:   Component B, B9V; C, B8V.
6548 1D:   Component B, 7.81V, +0.30(B-V), +0.05(U-B), A8IV, vsini 129k/s.  Fixed sep. from A.
6554 1D:   Binary with HR 6555.
6555 1D:   Binary with HR 6554.
6556 1D:   A* 2.08 A5III, 8.5y, a = 0.065".  Resolved by speckle interferometry.
6559 1D:   Companion, 9.53V, +0.36(B-V), -0.02(U-B), F6IV-V, CPM.
6560 1D:   Measured sep. 0.140" on 1985.5 by speckle interferometry.
6561 1D:   Visual companion optical.
6565 1D:   7.3 F5, 7.6, 101.3y, a = 0.653". Combined mag., colors.
6573 1D:   AB 5.34 G0V, 7.95 K3V, 76.00y, a = 1.52". Combined mag., colors.  Third component 10v dM1 at 740" CPM.
6575 1D:   Component B, F4IV CPM.
6592 1D:   Component B, F4V CPM.
6593 1D:   Suspected occultation double.
6594 1D:   AB 5.58 F4V, 11.1, 122.68y, a = 1.004".  Component C, 12.8v at 155" CPM.
6595 1D:   Sep. 0.02", but duplicity uncertain.
6596 1D:   Visual companion CPM.
6597 1D:   Sep. 0.111".
6603 1D:   Possibly close double.
6609 1D:   CPM with HR 6610. Combined colors. Mag. for blend 5.59V.
6610 1D:   CPM with HR 6609.
6611 1D:   Visual companion ADS 10749B, optical.
6613 1D:   7.1 B9, 7.3, 34.00y, a = 0.157".  Combined mag., color.
6623 1D:   BC 10.3 dM4, 10.8, 43.20y, a = 1.360".  This close pair forms a wider physical binary with component A.
6626 1D:   Component B, 9.70V, +0.75(B-V), +0.19(U-B), F5V, binary. Component C mag. diff 5.36v at 70" from A.
6627 1D:   Binary.
6636 1D:   CPM with HR 6637, not shared with components C,D.
6637 1D:   CPM with HR 6636.
6645 1D:   Companion A0IV. Fixed sep.
6657 1D:   6.9, 6.9v, 160.759y, a = 0.37".
6658 1D:   Binary.
6665 1D:   AB binary.  C, 13v at 28" and D, 10v at 95" both optical.
6676 1D:   Speckle interferometry sep. 0.102".
6681 1D:   AB CPM; C, 12v at 34" optical.
6691 1D:   Companion F0.
6692 1D:   Doubtful double, 6.3, 7.3v, sep. 0.3".
6693 1D:   Fixed with HR 6694.  Mag. and colors combined light, 4.98V, +1.63(B-V), +1.52(U-B).
6694 1D:   Fixed with HR 6693.
6697 1D:   Sep. 0.107".  Closed from 0.114" to 0.065" between 1981.5 and 1984.3 (McAlister and Hartkopf).  However, speckle
6697 2D:   observations 1986.44 (Blazit et al. 1987, A&AS, 71, 57) yield 0.085".
6704 1D:   Suspected occultation double.
6714 1D:   Component B, 13.7v F? at 7", optical. AC fixed. C, 8.12V, -0.02(B-V), -0.57(U-B), B1V, vsini 130k/s.
6723 1D:   Binary.
6729 1D:   Binary with 6730.
6730 1D:   Binary with 6729.
6733 1D:   Binary with HR 6734, q.v.
6734 1D:   AB 5.24 F2, 5.94 F3, 280.03y, a = 1.494". Component B is HR 6733.  Color for combined light. Spectrum for combined
6734 2D:   light, F4IV.  C, 11.28V, +0.78(B-V), +0.33(U-B) at 100", optical?
6737 1D:   AB CPM.  C, 13v at 55" optical.
6742 1D:   ADS 11029A is speckle interferometric double, sep. 0.116".  Visual companions, 13.5v at 33" and 13.5v at 48".
6749 1D:   AB 5.7 A5V, 5.7 A5V, 191.23y, a = 1.063". Component B is HR 6750.  Color for combined light. Combined mag. 4.95V.
6750 1D:   Binary with HR 6749, q.v.
6752 1D:   AB 4.20 K0V, 5.99 K4V, 88.13y, a = 4.545".  B is 6.00V, +1.15(B-V), vsini =<25k/s.  Aitken listed 9 additional faint
6752 2D:   companions within 180".
6753 1D:   Both companions optical.
6758 1D:   AB binary.  B = HD 165474, 7.45V, +0.30(B-V), +0.17(U-B), A7pCrEu:Sr: or A8p (beta CrB), vsini 12k/s.
6759 1D:   Component B, B9V, optical?
6766 1D:   5.1, 5.9, sep. 0.26", doubtful duplicity.
6771 1D:   Discordance in designations of components between ADS and IDS. We accept IDS. Component B, in notes to ADS 11076 not
6771 2D:   assigned letter: doubtful, sep. 0.1" if real. C, 14v at 25" CPM. D = ADS C, 11v at 54" optical.
6773 1D:   Visual companion is blue.
6775 1D:   AB 5.10 F7V, 8.50 K4V, 55.8y, a = 1.00".
6776 1D:   Optical.
6780 1D:   Binary.  Combined mag., colors.  Component B is F0IV or F0V.
6781 1D:   Binary with HR 6782.  Primary is speckle binary, sep. 0.106".  Component C, 11v at 76".  A companion to A at 0.106"
6781 2D:   discovered by speckle interferometry.
6782 1D:   Binary with HR 6781.
6787 1D:   Companion A6V, optical.
6795 1D:   AB 6.07 F2V, 7.03, 270.0y, a = 1.16".
6796 1D:   Companion not confirmed.
6798 1D:   AB visual double, A4V, F0, combined mag., color. Third component found by lunar occultation, 1.3B, 0.9R fainter than B,
6798 2D:   sep. 0.024".
6801 1D:   Companion, 11.52V, +0.66(B-V), +0.11(U-B), F8V:
6803 1D:   6.5 A, 7.2 F2, 3040y, a = 1.500".
6805 1D:   CPM.
6809 1D:   Binary with HR 6810.
6810 1D:   Binary with HR 6809. Faint component C at 221".
6812 1D:   ADS 11169A is SB, 4.1, 7.0v, sep. 0.011".  Closest visual companion is B, 11.5v, B9III at 17"; C is 13.5v at 26";
6812 2D:   D, 9.9v, B3; E, 9.4v, B2V, physical, vsini 184k/s.
6814 1D:   AB measured sep. 0.102" on 1985.5 by speckle interferometry.
6823 1D:   Companion A3V.
6825 1D:   Double may be spurious: companion not seen in 1934.
6833 1D:   B, 9.68V at 39"; CD, 8.7, 10.2v, sep. 16.5".
6841 1D:   Companion A3V, optical?
6848 1D:   AB binary.  C, 8.0v B0.5Ib at 18", vsini 42k/s.
6849 1D:   Three faint companions form compact group at about 95".
6855 1D:   Primary of visual double and a suspected astrometric binary.
6857 1D:   Optical.
6866 1D:   ADS 11271B, 12.08V, +1.08(B-V), +0.50(U-B).  May have close fainter white dwarf companion.
6896 1D:   Companion is A5:.
6898 1D:   6.8 F6III, 7.0 A7IV, 240y, a = 0.59". Combined mag., colors.
6901 1D:   ADS 11320B, 12.9v at 17", CPM.
6904 1D:   AB 6.5 A2V, 7.5 A4V, 775y, a = .90".
6909 1D:   Combined spectrum A5; component B, A8V:.
6918 1D:   AB physical.  B is F5V, vsini =<54k/s.  Component P, vsini 80:k/s.
6920 1D:   4.4, 6.1v, 271.7y, a = 0.392".
6923 1D:   AB binary with slow orbital motion. Combined mag., colors. B is A5p, vsini 80k/s. C, 7.1v F6V at 90" CPM. Some
6923 2D:   discordance whether B or C is the brighter.
6924 1D:   B, 12.6v at 6".  Possibly CPM and common RV with HD 170051, 6.9v B5 at 185".
6927 1D:   A* 3.57 F7V, 0.768y, a = 0.124".  Masses 1.5 and 1.1 Suns.  Shortest known period for astrometric binary. Speckle
6927 2D:   interferometry indicates component A is binary, sep. about 0.1".  B, 12v K1V at 149"; C, 13.5v at 10".
6936 1D:   AB, CPM.
6941 1D:   Primary is speckle binary, sep. 0.149".  Component B, 11.8v, A7Vp; C, 12.8v, F5V, optical; D, 12.9v, F8V.  A fifth
6941 2D:   companion at 0.149" from A discovered by speckle interferometry.
6944 1D:   Binary.
6946 1D:   CPM companion A0V.
6952 1D:   CPM with HR 6953.
6953 1D:   CPM with HR 6952.
6966 1D:   Suspected binary probably single star.
6967 1D:   Companion optical.
6980 1D:   6.3 G9III, 6.5 G7III, 210.9y, a = 0.416" or 190.8y, a = 0.418".  Combined mag., colors.
6981 1D:   AB 6.8 G2V, 7.0 G2V, 292y, a = 1.358", or 3083y, a = 6.7811".
6983 1D:   AB 6.1 K0III, 6.1 G9III, 169.50y, a = 0.243" or 184.6y, a = 0.255".  Component C, 8.8v at 26" physical.
6987 1D:   Primary is speckle binary, sep. 0.141"; both ADS companions optical.
6988 1D:   Possible binary listed by D. W. Dunham, 6.5, 6.5, sep. 0.1".
6989 1D:   AB, fixed sep.
6999 1D:   AB 7.2 F9V, 7.3 F9V, sep. 0.13", 12.18y, a = 0.196".  Measured sep. 0.141" on 1985.5 by speckle interferometry.  Third
6999 2D:   component 14v, optical.
7001 1D:   Companions in IDS optical. BD=+38d3231, 8.6v, 23' N. prec., may be CPM.
7002 1D:   Var. MBE+K1III, 8.8, 485.3y, a = 0.34".  Masses A, 15.9; B, 5.0 solar.
7007 1D:   Optical.
7010 1D:   Companions probably optical.  C at 108" may be brighter than B.
7017 1D:   Sep. 0.14" by Couteau; 0.175" by McAlister et al. from speckle interferometry.
7020 1D:   Component B, 10v, gK, optical.  AC, CPM?  A may be close binary, about 10d orbital period.
7021 1D:   Component B, K0.
7023 1D:   Occultation double.
7031 1D:   Listed as double by Innes but probably not.
7033 1D:   AB fixed, B at 25", 8.05V, -0.05(B-V), -0.25(U-B), B8V, vsini 150k/s.  AP, measured sep. 0.145 on 1985.5 by speckle
7033 2D:   interferometry.
7035 1D:   Duplicity questionable.
7039 1D:   4.1, 4.1v, sep. 0.13", doubtful.
7048 1D:   ADS 11640AB, >5600y.  Both components close binaries.  Speckle interferometry 1985.5 gives sep. Aa = 0.141";
7048 2D:   Bb = 0.137".
7051 1D:   AB 5.00 A2n, 6.10 A4n, 1165.6y, a = 2.78".  Binary with HR 7052 = B, and CPM with HR 7053-4 at 208".  Combined mag.
7051 2D:   and colors for HR 7051-2 are 6.48V, +0.19(B-V), +0.04(U-B).
7052 1D:   See HR 7051.
7053 1D:   CD 5.23 A3n, 5.47 A5, 585y, a = 2.95".  Component C is speckle binary, sep. 0.184".
7054 1D:   See HR 7053.
7055 1D:   Fixed sep.
7056 1D:   CPM with HR 7057 = ADS 11639D.  Other components optical.
7057 1D:   CPM with HR 7056.
7059 1D:   AB binary, B, Am, F3Vm, or Am(A5/F1/F2), RV +9.2k/s, vsini =<25k/s.  C, 11.3v optical.
7061 1D:   All companions probably optical.
7077 1D:   Suspected occultation double.
7083 1D:   B, 12.5v at 23"; C, 8.14V, +1.05(B-V), +0.75(U-B), K0II-III.
7099 1D:   Binary, companion K3III-IV.
7100 1D:   B, 10.89V, +1.05(B-V), +0.76(U-B), at 35"; C is G0V.
7106 1D:   AB fixed.  B is 8.6v, B7v; may be collapsed star; vsini 120k/s.  E, 9.9v A8pSr or B9V at 67" optical?  F, 9.9v A8-9V or
7106 2D:   or B9V at 86".  A, B, E and F are CPM.
7116 1D:   AB fixed, combined mag., colors.  C, 11.21V, +1.25(B-V), +1.20(U-B), at 28".
7121 1D:   Interferometer measures indicate multiple star.
7125 1D:   B is K3IIIp optical, vsini =<54k/s.  C, 11.5v at 139" is receding from A.
7133 1D:   C, 11v at 38" optical.
7140 1D:   ABC fixed. B, 10.2v at 2". C, 7.69V, -0.08(B-V), -0.28(U-B), variously classified B8V, B9.5IV, A2, F3.
7141 1D:   Binary with HR 7142.
7142 1D:   Binary with HR 7141.
7154 1D:   AB observed as single round image in 1974.
7155 1D:   Suspected occultation double, equal components.
7161 1D:   6.6 F8V, 6.6 G0, 13.58y, a = 0.131".
7162 1D:   AB 5.36 G0V, 7.46 K1V, 61.203y, a = 1.24". Combined mag., color.  Components C, D, optical.
7164 1D:   Suspected occultation double.
7165 1D:   Companion blue star?
7166 1D:   Binary. B1, B9.
7169 1D:   CPM with HR 7170.  Combined mag. 5.82V, -0.03(B-V).
7170 1D:   CPM with HR 7169.
7172 1D:   Both companions optical.
7178 1D:   B, 12.1v at 13", optical.
7179 1D:   Companion 9.80V, +0.21(B-V), +0.07(U-B), A5V fixed.
7184 1D:   6.9 A1V, 7.2 A3V, 259.07y, a = 0.601". Combined mag.
7191 1D:   AB CPM.  B is G8V.
7194 1D:   AB 3.2 A2III, 3.4 A2V, 21.138y, a = 0.532".
7195 1D:   Suspected occultation double with equal components; combined mag., color.
7199 1D:   vsini of secondary 150k/s.
7203 1D:   AB CPM. B, 9.17V, +0.47(B-V), +0.09(U-B).
7205 1D:   Probable double, 7.1, 7.1v, sep. 0.05".
7209 1D:   Sep. 0.099".  Consistently unresolved by speckle observations at five epochs between 1977.48 and 1981.47 (McAlister
7209 2D:   and Hartkopf).
7215 1D:   B, 10v at 44" optical.
7225 1D:   Companion gK4, optical.
7226 1D:   AB 4.84 F8V, 5.08 F8V, 120.42y, a = 1.907".  B is HR 7227.  Combined mag. and colors, 4.205V, +0.52(B-V), +0.00(U-B).
7226 2D:   vsini for blend 0k/s.
7227 1D:   See HR 7226.
7229 1D:   AxBC binary, BC 9.2, 9.8, 138y, a = 0.195".
7239 1D:   Companion A0V.
7261 1D:   AB binary.  Other companions probably optical.
7262 1D:   Resolved by speckle interferometry 1986.45, sep. 0.08".
7262 1D:   Resolved by speckle interferometry 1986.45, sep. 0.08".
7264 1D:   AB, combined mag., colors, sep. 0.093".  Third component 6.0v at 0.4".
7265 1D:   7.0 K3III, 7.2 K2III.  Unresolved by speckle interferometry.  Probably not double.
7272 1D:   AB binary, B is G5.  Speckle interferometry indicates a fourth companion at 0.089" from A.
7278 1D:   6.1 A2N, 6.5, 157y, a = 0.56".
7285 1D:   B, 8.0v at 0.7" CPM.  C is G5.
7287 1D:   Companion optical.
7292 1D:   5.5 F8V, 5.7 F9V, 18.75y, a = 0.153".  Component A is SB, 6.2, 6.2v, sep. 0.001".
7293 1D:   Binary with HR 7294.  C, 12.7v at 56" optical.
7294 1D:   See HR 7293.
7298 1D:   B is A0, optical.
7300 1D:   Binary.  Companion A1V.
7304 1D:   Suspected occultation double.
7305 1D:   AB binary.  C, 10.1v at 48" from A; D at 50", mag. diff 5.54V.
7307 1D:   AB CPM, B is 9.07V, +0.14(B-V), -0.05(U-B), F8V or G0IV, optical?  Speckle interferometry indicates a fourth companion
7307 2D:   at 0.051" from A.
7311 1D:   AB, CPM.
7318 1D:   AB binary.
7319 1D:   AB binary.  C, 13.7v at 12" optical.
7333 1D:   B probably optical.
7337 1D:   CPM.  Companion A5V; vsini 129k/s, optical?
7339 1D:   Component B, K2IV, RV -3; component C, G5:III, optical.
7340 1D:   Sep. 0.036".  Questionable occultation double.
7360 1D:   Optical.
7362 1D:   5.8 A8, 5.8 A6-F0, 10.8y, a = 0.123".  Probable occultation double.  Speckle interferometry 1985.5 gives sep. 0.081".
7370 1D:   AB, CPM.
7373 1D:   Unresolved by speckle interferometry 1986.46.
7377 1D:   Component A astrometric binary, A* 3.36 F0IV, 3.422y, a = 0.058"; unresolved by speckle interferometry.
7385 1D:   Both companions optical.
7386 1D:   Components B-D are 40" to 90" from A.  A new component at 0.181" found by speckle interferometry.
7387 1D:   Colors of B are +0.31(B-V), +0.16(U-B).
7391 1D:   Components B, 10.8v at 27"; C, 10.46V, +0.61(B-V), +0.08(U-B), at 73" and P, 14.5v at 26" all optical.
7398 1D:   Binary. B, 8.69V, +0.86(B-V), +0.32(U-B), G1IV-V.
7402 1D:   AB fixed. C, 7v at 2", binary.
7405 1D:   Secondary K0.
7412 1D:   B, optical.
7417 1D:   7270.2y, a = 62.90".  Binary with HR 7418.  vsini of B-type component of ADS 12540A 50:k/s.  Component C, 11v at 50".
7417 2D:   Two additional components of A resolved by speckle interferometry:  Aa 1981.70, sep. 0.42"; Ap 1978.41, sep. 0.12" and
7417 3D:   1979.46, sep. <0.08".
7418 1D:   See HR 7417.  Unresolved by speckle interferometry 1981.47, sep. <0.03".
7429 1D:   B and C optical.
7440 1D:   CPM.
7441 1D:   Visual companion CPM.
7448 1D:   Fixed. Companion K0III.
7463 1D:   B is B8, optical.
7466 1D:   AP, sep. 0.1" unresolved by speckle interferometry at eight epochs between 1976.45 and 1981.70 (McAlister and Hartkopf).
7469 1D:   AB CPM.  B, 13v at 3".  C, optical.
7470 1D:   Sep. 0.200".
7474 1D:   B, 12v K0Ve at 48" optical.  C, 12v at 130".  Rotational velocity of A 123k/s, of B 142k/s.
7475 1D:   CPM companion B3V.
7476 1D:   Primary is close double, combined colors.  Mag. for blend 5.30V.  Component B, 12.6v at 38" optical.  C, 8.9 F8V
7476 2D:   at 46" physical.
7478 1D:   1.188y, a = 0.026".
7479 1D:   Companions B and C optical.
7480 1D:   A companion at 0.084" discovered by speckle interferometry.
7481 1D:   AB binary.
7485 1D:   Companions probably optical.
7486 1D:   Speckle interferometry 1985.5 gives sep. 0.178".
7489 1D:   Suspected visual double, but may be single.
7497 1D:   AB, fixed sep.
7503 1D:   Binary with HR 7504. Third component mag. diff 7.17V, sep. 70" from A.
7504 1D:   See HR 7503.
7528 1D:   AB 2.91 B9.5III, 6.33 F1V, 827.6y, a = 3.20".
7529 1D:   AB binary. B is 7.16V, +0.02(B-V), -0.07(U-B), B9.5V, vsini 250k/s.
7530 1D:   Component B, 8.56V, +0.05(B-V), +0.11(U-B), A2V at 39".
7534 1D:   AB binary.  B is dK6.  Component C, optical.  ADS 12913AB and ADS 12889 (9.2, 9.4 dK5 sep. 3") at 792" are CPM and have
7534 2D:   same RV and parallax. ADS 12889, 259y, a = 2.27", mean mass 0.6 solar.
7535 1D:   B, 13v at 3" binary with A.  C, 14v at 10" binary with A.  D, optical.
7536 1D:   Suspected visual double probably single image, composite spectrum.  Secondary either B6 or A0V.
7538 1D:   6.1, 11.9v sep. 2" in 1910, 1913, not seen as double in 1926, 1928, 1929.  Probably single?
7544 1D:   AB, >3000y.
7546 1D:   AB 5.5 A1V, 6.2 A3V, 22.8y, a = 0.146".  Masses 4.0, 2.0 solar.  C, 8.7v at 8" physical.  Speckle interferometry 1985.5
7546 2D:   gives sep. 0.180".
7548 1D:   CPM with HR 7549.
7549 1D:   CPM with HR 7548.
7550 1D:   7.2 F5V, 7.7 F7V, 156.52y, a = 0.624" or 157.21y, a = 0.607".  Combined mag., colors.
7553 1D:   Optical.
7557 1D:   Component B optical.
7560 1D:   Component B optical.  AC, 13.8 dM4, 22" binary.
7566 1D:   Component B, optical.
7571 1D:   Speckle interferometry indicates companion at 0.291", probably not the same as the SB or occultation binary.
7572 1D:   Component B = A3V.
7578 1D:   Optical.
7582 1D:   Binary, companion K5III (AJ, 82, 431, 1977).  However, Buscombe points out that the companion is F6V and this is more
7582 2D:   consistent with the magnitude difference between the components, if physical.
7593 1D:   CPM with HR 7594.
7594 1D:   CPM with HR 7593.
7598 1D:   Optical.
7599 1D:   Speckle interferometry 1985.5 gives sep. 0.173".
7602 1D:   AB binary.  B 12v dM3 at 13".
7615 1D:   AB CPM.  B, 12v at 7".  Other components optical.
7619 1D:   AB combined mag., colors.  Sources differ on spectral class of component B from A7V to F4V.  vsini of B, 120k/s.
7638 1D:   AB and AC binary.  C, 9.0v Am(A2/A8/A8) at 3", physical.
7658 1D:   Suspected occultation double.
7670 1D:   Companion 16.4pgM6, CPM.
7671 1D:   Discovered as double by W. Herschel; companion not rediscovered.
7678 1D:   Optical companion, +0.74(B-V), +0.34(U-B).
7680 1D:   CPM.
7683 1D:   B, 13.2v at 12", optical. C, 12.5v at 40".
7689 1D:   AD CPM. B, 13.7v at 23"; C, 11.6v at 36".
7693 1D:   Binary.
7703 1D:   AB CPM. B, 11v dM5, sep. 6.6". Wroclaw contr. no. 16 gives mag.  differences but no sep. for four components:  AB 5.4v,
7703 2D:   AC 5.15, and AD 4.0.  Possible misidentification?  Discovered by John Herschel as simply double.  Components C and D
7703 3D:   apparently first listed by van Albada at Lembang in 1958; only magnitudes and no separations were indicated.
7705 1D:   AB binary.  B, 8.7v at 13".  C, optical.
7717 1D:   Discordance as to which component has the peculiar spectrum usually attributed to A.  However, on the basis of better
7717 2D:   spectrograms, Abt gives A = A0V, B = A0Vp(Sr,Cr st.,Ca wk.).
7723 1D:   Binary.
7726 1D:   AB CPM.
7730 1D:   Component D of ADS 13554 of which primary is HR 7735.
7735 1D:   Component C, 6.99V, -0.14(B-V), -0.58(U-B) B5V, vsini : 25k/s, at 107" fixed.  AP probably single star.
7736 1D:   B is K1III, optical, vsini =<54k/s.
7737 1D:   AB and AC both binary.  C, 9v at 12".
7739 1D:   AB CPM, 680?y.
7743 1D:   CPM.
7747 1D:   See note for HR 7754.  ADS 13632B, 14v at 44"; C, 9.6v K5III, at 45" physical, vsini =<54k/s. D, 14.3v at 29" from C.
7754 1D:   IDS notes Alpha1 Cap = HR 7747 (ADS 13632, four components) as one of five components of Alpha2 Cap = HR
7754 2D:   7754 = ADS 13645.  Hence, we have recorded n = 9 for both. ADS 13645AB optical; BC 11.2, 11.5v, sep. 1.2" binary.
7764 1D:   Component C, photometric spectral class A2IV, vsini 53k/s.  Component B, 10.1V at 4.1".  For component AB, Rakos and
7764 2D:   Mermilliod give 6.93V, +0.28(B-V), +0.24(U-B).  However, other sources give the following V magnitudes:
7764 3D:   Comp.     1976        1978       1980      Preferred
7764 4D:           Gronbech and  Oblak     Ruffener
7764 5D:           Olsen
7764 6D:     AB      6.635       6.610      6.608     6.61
7764 7D:      C      7.724       7.706                7.72
7764 8D:   Colors converted from the uvby system (Gronbech and Olsen) are AB +0.13(B-V), +0.185(U-B); C +0.165(B-V), +0.14(U-B).
7767 1D:   AB binary. C, at 34", 11.11V, +0.19(B-V), -0.29(U-B), B7Vp:, vsini 340k/s.  D at about 45", 11.17V, +0.19(B-V),
7767 2D:   -0.32(U-B), B8Vp:, physical, vsini 279k/s.  Primary is speckle binary, sep. 0.047".
7773 1D:   CPM.
7775 1D:   Complex system with HR 7776, CPM at 205".  ADS 13717A is occultation double, 6.2 - 8.3v, sep. 0.8"; also 7.2, 7.2v,
7775 2D:   sep. 0.05".  Component B, 10.2v, A1, binary with A at 0.9".  A is astrometric binary.  The close occultation pair is
7775 3D:   questioned; it has not been confirmed by speckle interferometry.
7776 1D:   Complex system with HR 7775, q.v.  Component B, vsini 97k/s.  Occultations indicate component A is multiple system: 4.0,
7776 2D:   4.3v sep. 0.0002", 4.8v at 0.022" and 6.7v at 0.0001".  A also suspected astrometric binary, 3.07 F8V.  Possibly also
7776 3D:   two faint 13v components at 112" discovered by John Herschel.
7781 1D:   AB binary.  B is dF3.
7784 1D:   AB 6.33 A2V, 8.87 F6V, 69.86y, a = 0.2766" or 90y, a = 0.214".  Component C, 9.2v at 3" also binary with AB.
7787 1D:   AB binary.  Combined mag., colors.
7790 1D:   BC, 9.2, 10.2v sep. 17.6".
7792 1D:   ADS 12214, 18.75y, a = 0.153".
7802 1D:   AB binary.  B, 11v at 1.3".  C and D optical.
7803 1D:   Discordances as to which component is B, which C. IDS gives B, 13.1v at 17.1".
7805 1D:   CPM.
7808 1D:   6.6 K2IV-V, 7.8 K1V, 232.76y, a = 1.225".
7814 1D:   AB CPM.
7818 1D:   7.1 A3V, 7.4 A5V, 83.72y, a = 0.172".
7822 1D:   AB binary.  B, 8.0v at 0.8".
7827 1D:   CPM. Secondary, A2V, vsini 75k/s.
7829 1D:   CPM with HR 7830.
7830 1D:   CPM with HR 7829.
7836 1D:   AB binary.
7837 1D:   Also observed as occultation double, 6.6, 7.4v, sep. 0.1".
7840 1D:   BC 7.5, 7.6v, Am, measured sep. 0.108" on 1985.5 by speckle interferometry, vsini 63k/s.  A, optical, with companion,
7840 2D:   measured sep. 1985.5 Aa = 0.341" by speckle interferometry.
7844 1D:   Component B, 12.9v A5V at 18", optical.
7845 1D:   AB, CPM. B, 11.3v at 3".
7849 1D:   Binary.  B is A2.
7864 1D:   CPM.  Companion G5V.
7866 1D:   AB sep. 0.1", no magnitudes cited. Both 2 micron IR and UV sources.
7882 1D:   AB 4.0 F5IV, 4.9 F5IV, 26.65y, a = 0.475" or 26.60y, a = 0.480".  Speckle interferometry gives sep. 0.58" and with SB
7882 2D:   data leads to masses 2.2 and 1.8 solar.  Combined mag., colors.  Components C-E optical.
7884 1D:   Optical.
7885 1D:   Double with HR 7887 at 181". Third component 12.9v at 71".
7887 1D:   Double with HR 7885.
7889 1D:   AB 5.8 B6III, 6.3 B6IV, 200y, a = 0.31". Visual third component 13v at 159". Occultation fourth companion, 9.3V, sep.
7889 2D:   0.052".
7896 1D:   AB optical. B, 11.8v at 29". AC CPM, C is K2IV.
7897 1D:   Both companions optical.
7899 1D:   AB optical.  B, 13v at 7".
7906 1D:   Companions optical.
7908 1D:   B is BD+80d662, 8.71V, +0.63(B-V), +0.00(U-B), F8V, CPM.
7911 1D:   AB binary.  C, 8.5v A0 at 69" CPM.
7917 1D:   Binary.
7921 1D:   AB binary.
7929 1D:   AB fixed.
7947 1D:   3249y, a = 13.813".  Binary with HR 7948.
7948 1D:   See HR 7947.
7949 1D:   AB optical.  C, 13v at 78" CPM.
7955 1D:   B is BD+57d2241, optical.
7956 1D:   AB CPM. B, 10.03V, +1.27(B-V), +0.66(U-B). C, 13v at 14" optical.
7959 1D:   Binary with HR 7960.  Mag. and colors for combined light, 5.67V, +0.16(B-V), +0.07(U-B).
7960 1D:   See HR 7959.
7963 1D:   AB 4.85 B5V, 6.07 B7V, 391.30y, a = 0.777".  Combined colors.  Mag. of blend 4.52V.  Component C, 9v K2III-IV at 84",
7963 2D:   optical; vsini =<54k/s.  Resolved by speckle interferometry 1986.45, sep. 0.87".
7972 1D:   Companion optical.
7977 1D:   Optical.
7978 1D:   B8V+A3V. CPM.
7982 1D:   AB 6.4 F5V, 7.22 F8V, 187y, a = 0.855".  Mag., colors for combined light.
7989 1D:   CPM.  G8III-IV + G2.5IV.
8009 1D:   Fixed sep.
8010 1D:   Binary.
8012 1D:   Optical.
8015 1D:   AB fixed sep. B, 11.8v at 36".
8017 1D:   AB, CPM.
8025 1D:   Binary.
8034 1D:   AB 6.0 F5IV, 6.3 F7IV, 101.485y, a = 0.647".  Combined mag., colors.  Component C, 7.2v G0V at 11", CPM.
8038 1D:   6.3 A5V, 7.6 F4V, 52.5y, a = 0.27".
8040 1D:   AB binary.
8042 1D:   CPM?  Companion K0IV.
8047 1D:   AB CPM. B, 9.38V, +0.22(B-V), +0.04(U-B) A8III, vsini 97k/s.  Component C, 12v at 26" optical.
8050 1D:   Sep. 0.110".
8056 1D:   AB 6.74 F5, 7.21, 3055y, a = 3.740".
8058 1D:   CPM with HR 8059.
8059 1D:   CPM with HR 8058.  Colors for combined light.  Mag. for blend 5.54V.  Measured sep. Aa 1985.5 0.045" by speckle
8059 2D:   interferometry.
8061 1D:   Duplicity of AB uncertain; sep. 0.110"?
8064 1D:   AB, combined mag., colors.  CE optical.
8071 1D:   AB CPM.
8079 1D:   9.1v A2 companion.
8085 1D:   AB 5.22 K5V, 6.04 K7V, 722y, a = 24.65".  B is HR 8086.  Aa x P, 4.9y, a = 0.014".  Astrometric measures indicate 3
8085 2D:   invisible companions, periods 6, 7 and 12y.  Unresolved by speckle interferometry.  Suspected planetary companion not
8085 3D:   substantiated.
8086 1D:   See HR 8085.
8094 1D:   AB binary.  B, 7.8v A0V or Am(A2.5/A7V/A9), vsini 80k/s.  C, 9.2v K1III at 58" optical, vsini =<54k/s.
8097 1D:   AB binary, B, 11.6v at 2". C, 12.6v at 48" optical.
8101 1D:   Fixed. Companion A4V.
8105 1D:   Companion B8V.
8107 1D:   AB fixed.  B, 9.6v at 1.2". C, 7.29V, +1.55(B-V), +1.38(U-B), M5III, vsini =<25k/s.
8114 1D:   6.5 A7V, 6.5 A7V, 17y, a = 0.11". Combined mag., color.
8115 1D:   White dwarf companion.
8116 1D:   7.0 A7V, 7.0 A7V, 34.44y, a = 0.227".  Combined mag., colors.  Measured sep. 0.090" on 1985.5 by speckle interferometry.
8119 1D:   AB binary.  B, 7v at 1".
8123 1D:   AB 5.2 F7V, 5.3 F7V, 5.70y, a = 0.26".  Combined mag., colors.  Component C, 9.5v at 48" optical.
8130 1D:   AB 3.82 F0IV, 6.42 G1V, 49.80y, a = 0.85".  Components C, 13v at 29" and P, 12v at 72", both optical.  Q, 12v at 90",
8130 1D:   physical.  R, 13v at 90", CPM.
8131 1D:   Sep. 0.08".  May be only single star.
8133 1D:   7.0 G2IV, 7.2 G2IV, 84.4y, a = 0.61".  Combined mag., colors.
8140 1D:   Companion A7V or G0V.
8146 1D:   AB CPM; 79000?y.  Component B, 10.0v G8.5V, probably optical.
8148 1D:   AB binary.  B is K4.  Components D and E, 12v at 247" and 149" probably optical.
8153 1D:   AB fixed.
8157 1D:   Binary, sep. 0.130", about 30y.  Unresolved by speckle interferometry.
8164 1D:   AB binary. B is B3V.
8166 1D:   AB binary.  Component B, G5IV.
8173 1D:   AB CPM.  Companion K0V.
8178 1D:   Companions optical.
8189 1D:   Component B of which primary is HR 8193.
8193 1D:   Component A in system of which B is HR 8189.  Other components 11.6, 13.4, 14.6v.
8194 1D:   ADS 14943A.  All companions 10.5m or fainter.
8209 1D:   ADS 14969A.  Companions optical.  B 12.06V, +1.13(B-V), 33".  C 10.38V, +0.46(B-V), -0.04(U-B), F5V, 54", vsini =<54k/s.
8209 2D:   Components B and C sometimes interchanged.
8224 1D:   Optical.
8232 1D:   Both companions optical.
8238 1D:   ADS 15032AB, 50y. B, 7.84V, +0.18(B-V), +0.06(U-B), A2.5V, vsini 60:k/s.  Third component discovered by speckle
8238 2D:   interferometry, mag. diff about 4v. Sep. 0.025".  Possible circumstellar material.
8254 1D:   A* 3.76 K0III, 2.84y, a = 0.052".
8258 1D:   6.7 A2V, 7.0 A4V, 173.9y, a = 0.293".  Combined mag.  A third component is suspected.
8260 1D:   Component A is SB, 5.0, 6.3v, 0.0047"; component B, 9.5v K1III-IV:  at 68", physical, vsini =<54k/s.
8263 1D:   CPM.
8264 1D:   Speckle interferometry indicates mag. diff 3.0, sep. 0.033"; D. W. Dunham gives 5.1, 7.1v, 0.07".
8265 1D:   AB CPM.  B is 7.65V, +0.37(B-V), -0.01(U-B), F2V; vsini 30k/s.
8270 1D:   Optical.
8280 1D:   Binary.  Companion A3.
8281 1D:   AC fixed. C, 8.05V, +0.23(B-V), -0.68(U-B), B1.5V at 12", vsini 80k/s. AD also fixed.  D, 8.03V, +0.20(B-V), -0.72(U-B),
8281 2D:   B2IV at 20", vsini 270k/s.  In earlier sources C is brighter than D.
8284 1D:   AB binary.  B, 10.5v at 3".  Component C, optical.
8285 1D:   CPM.
8294 1D:   Suspected occultation double.
8295 1D:   Suspected occultation double.
8300 1D:   6.4 B9.5V, 6.6 A0V, 27.2y, a = 0.16".  ADS 15251 8.3, 8.3, 11.9m at 2' may be member of same system.
8307 1D:   AB CPM.  B is A0.  AP, 5.6 11.0v sep. 1.5" binary.
8308 1D:   ADS 15268AB optical.
8309 1D:   AB 4.78 F4V, 6.09 G2V, 507.5y, a = 4.278".  B is HR 8310.  Combined colors. Mag. for blend 4.50V. Components C, D,
8309 2D:   optical.  D, at 201" is ADS 15275, 6.9 A5, 13.3v sep. 16".
8310 1D:   See HR 8309.
8315 1D:   AB 4.7 F2IV, 5.0 F6IV, 11.558y, a = 0.255".  ADS 15281C, 10.8v at 13.8" possibly in hyperbolic orbit about AB or is
8315 2D:   optical.
8322 1D:   ADS 15314A.  Component A is SB, 3.2, 5.2v, 0.0018"; B, 15.8v, 69"; C 12.7v, 120".
8326 1D:   Sep. 0.102".
8344 1D:   5.5 F2, 7.5, 29.0y, a = 0.396"; previous orbits 37.594y, a = 0.433" and 27.508y, a = 0.387".
8348 1D:   Both components optical.
8352 1D:   6.6 F0IV, 6.7 F0IV, 27.5y, a = 0.240". Combined mag., color.
8355 1D:   Occultation third component 8.8v at 0.02"; AB, sep. 0.114" by Finsen, 0.090-0.093" by speckle interferometry.
8357 1D:   AB CPM. B is A1p Sr Si, vsini 60k/s. C, 13.2v at 55".
8361 1D:   Component B Am(A2/A6/F2).
8363 1D:   Optical.
8364 1D:   AB CPM.  Companion F7V.
8368 1D:   5.1 F0IV, 5.1 F0IV, 6.094y, a = 0.127", or 12.242y, a = 0.160".  Combined mag., colors.
8383 1D:   A* var. M2Iab, B6IIe.  Combined mag., colors.  Absolute magnitudes based on astrometric and spectroscopic data are
8383 2D:   -4.0V for red component, -2.3 for the blue.
8384 1D:   Companion HD 208971, 7.0, K5III-IV, probably optical.
8396 1D:   Component B, 7.2v, at 3.7" variously classified G2V, G2III:, K0III:; C 11.7v at 143".
8400 1D:   Optical pair?
8407 1D:   AB CPM.
8417 1D:   AB 4.61 A3m, 6.5 F7V or F3III-IV, 3800y, a = 11.5".  Aa, 2.254y, a = 0.073".  Component B is HD 209791 = GC 30876,
8417 2D:   vsini =<25k/s.  Component C, 12.7v at 97" optical.
8423 1D:   AB binary.
8428 1D:   Companions optical: B, 11.6v at 20"; C 10.79V, +1.08(B-V), +0.75(U-B).
8430 1D:   Optical.
8449 1D:   Components B and C optical.
8463 1D:   B and C optical.  D, K0, CPM.
8472 1D:   AB optical.
8474 1D:   CPM.
8479 1D:   Probably single.
8480 1D:   AB binary.  B is F8V.
8485 1D:   B, optical.
8493 1D:   CPM.  Companion A3V.
8502 1D:   A* 2.85 K3III, 11.5y, a = 0.049".
8510 1D:   AB binary.
8513 1D:   AB CPM.  B, 10.7v A7V at 6"; C, F6IV, optical.
8515 1D:   Sep. 0.100".
8518 1D:   Optical.
8521 1D:   Companion G0V.  B-V for combined light +2.10.  Since 1900 no relative motion of components observed.
8523 1D:   Visual companion is optical.
8524 1D:   CPM.
8530 1D:   Suspected occultation double.  Unresolved by speckle interferometry.
8532 1D:   AB binary.  B, 9.2v at 2.5" in 1832; 0.296" by speckle interferometry on 1985.5.
8533 1D:   AB 6.6 A0, 6.6, 190y, a = 0.490".  Measured sep. 0.121" on 1985.5 by speckle interferometry.
8540 1D:   CPM companion F5III, optical.
8544 1D:   Binary with HR 8545.  Components C, D, optical.
8545 1D:   See HR 8544.  Colors for combined light. Mag. of blend 5.56V.
8548 1D:   AB binary.  B is K4.
8549 1D:   Fixed.
8558 1D:   Binary with HR 8559, speckle interferometric sep. 1.672" (1982.38).  B* 4.51, 12v, 25.5y, a = 0.072".
8559 1D:   Binary with HR 8558. AB 4.31 F2IV, 4.51 F3IV, 856.0y, a = 5.055".  Magnitude for blend 3.65V, combined colors.
8559 2D:   Component B, HR 8558, is an astrometric binary.
8560 1D:   Companion optical.  B-V for combined light +1.57.
8566 1D:   5.77 F5IV, 7.14 F7IV, 143.0y, a = 0.746" or 140.0y, a = 0.75".  Combined mag., colors.
8571 1D:   B, 13v at 21" optical. AC CPM, C at 41", 6.30V, -0.03(B-V), -0.35(U-B), B7IV, RV -21k/s, vsini 135k/s.
8576 1D:   CPM.  Companion D G2?  Photometric data (Oblak 1978, A&AS, 34, 453) give B A2V, 6.22V,; C F2V, 7.71V, +0.38(B-V);
8576 2D:   D F9V, 7.83V, +0.51(B-V), where MK types are estimated from uvby,beta photometry.  ABD physical, C optical.
8585 1D:   Optical.
8595 1D:   AB 6.5 dF2, 7.0 A5, 225.6y, a = 0.78", or 785y, a = 2.042".  Combined colors; combined mag. 6.01V. Combined spectrum
8595 2D:   A9III.
8598 1D:   AB, CPM.
8602 1D:   CPM.
8603 1D:   AB CPM.  B is 6.46V, -0.14(B-V), -0.82(U-B), B2V, vsini 40k/s.  All companions listed by Worley are more than 22" from
8603 2D:   A.  A new companion at 0.042" discovered by speckle interferometry.
8604 1D:   Probably single.
8612 1D:   Measured sep. 0.136" on 1985.5 by speckle interferometry.
8619 1D:   ABC CPM.  BC 7.3v F6IV, 8.1v sep. 3".
8621 1D:   Optical.
8622 1D:   Companion 10.02V, +0.28(B-V), +0.3(U-B), A6III-IV, vsini 141k/s.
8626 1D:   Optical.
8629 1D:   AB, 6.4 F8, 7.4 F6, 28.0y, a = 0.17".  Speckle interferometric sep. 0.184" on 1985.5153.  Occultations indicate third
8629 2D:   fainter component:  sep. 0.129", mag. diff 2.7v 9 Oct. 1973; single 3 Dec. 1973; and 0.065", mag. diff 1.0, 29 Sept.
8629 3D:   1974.  Possibly variable with high orbital motion?
8631 1D:   AB 6.26 G3V, 6.81 G8V, 20.93y, a = 0.30". Combined mag., colors.  Perhaps invisible companion, period 15.8y. ADS 16173C,
8631 2D:   11.6v at 72". Faint CPM, 14.9v at 4.5' N. prec.
8635 1D:   Binary.  B is M1.
8640 1D:   B, 9.2A3V, physical, vsini 89k/s.
8645 1D:   AB binary. B9, A7.
8650 1D:   A* 2.94 G2II-III, 2.23y, a = 0.022".  Speckle interferometry measures range from unresolved to sep. 0.059". BC, 10.0,
8650 2D:   10.0v sep. 0.2" at 90" from A, physical.
8652 1D:   BC, 7.6, 9.5v sep. 0.15" binary and AxBC binary.
8654 1D:   AB binary.  B is K2III.  C, 12.5v at 11" optical.
8656 1D:   Fixed sep.
8662 1D:   CPM, companion G9V.
8665 1D:   AB binary.  B 12v M1 at 12"; C, optical.
8673 1D:   AB optical.
8680 1D:   7.0 F2IV, 7.2 F3IV, 26.9y, a = 0.212".  Combined mag., color.
8687 1D:   AB binary.  B is dF5.  A is astrometric binary, 4.3y.  C is 10.2v at 111".
8695 1D:   Binary, companion F5V.
8696 1D:   AB binary.  B is G2IV.  Combined mag., colors.
8697 1D:   CPM companion M4.
8699 1D:   AB, CPM. B, 12.2v at 26".
8704 1D:   Mag., colors for combined light. Occultation double 6.7, 6.7v sep.  0.2"; speckle interferometry, sep. 0.076".
8708 1D:   AB 5.8 A3VM, 7.8 F6V, 104.5y, a = 0.647", or 102.27y, a = 0.680".  Component C, optical.
8716 1D:   120.0y, e 0.68, a 0.47", i 85d, mag. diff 2.0.
8720 1D:   CPM.  Companion G3.
8721 1D:   CPM with HR 8728.
8725 1D:   AB relative position of component unchanged in a century. Probably physical. B, 11.5v F0 at 27". C, F5IV, optical, vsini
8725 2D:   =<54k/s.
8728 1D:   CPM with HR 8721.
8734 1D:   Sep. 0.02", but duplicity uncertain.  Unresolved by speckle interferometry.
8737 1D:   AB 7.1 G2V, 7.3 G4V, 26.5y, a = 0.39".
8739 1D:   6.1 F0V, 7.4 F6V, 270.13y, a = 0.815".  Combined mag., colors.
8753 1D:   CPM.
8759 1D:   Suspected occultation double.
8762 1D:   Separate speckle interferometric measures give sep. 0.05" (Aa) and 0.34" (AB).  Ten years of observations reveal steady
8762 2D:   change in AB position angle of about 10d with decrease in separation from about 0.375" to 0.266".  Component B
8762 3D:   identified as SB2 (see SB remarks), making total number of components at least 4.
8766 1D:   AB 5.1 A2, 8.8, 76.6y, a = 0.277".
8768 1D:   Fixed. Companion 9.88V, +0.08(B-V), -0.37(U-B), A1V.
8777 1D:   Binary questioned. Companion 9.47V, +0.09(B-V), -0.20(U-B), B9V.
8782 1D:   AB 6.2 F2Vn, 6.3 F2V, 21.84y, a = 0.200" or 22.0y, a = 0.20".  Combined mag., colors.  Component C, 84 Aqr, 7.6v K0 at
8782 2D:   262", optical.
8789 1D:   Sep. 2.9" observed 1925; single in 1929.
8793 1D:   CPM.  Combined mag., color.  Companion F8V.
8798 1D:   Binary.
8808 1D:   Sep. 0.180".
8819 1D:   AB 4.6 G2III, 6.6 F3V, 150y, a = 0.86".  Combined mag., colors.  Companion may be collapsed star.
8822 1D:   C, 8.14V, +0.15(B-V), -0.38(U-B), A, HD 218780.
8832 1D:   Astrometric binary unresolved by speckle interferometry.
8833 1D:   Probably optical.
8836 1D:   AB, CPM.
8841 1D:   BC, 10.0, 10.5v, K3V, 130y, a = 0.6", mean mass BC 0.35 solar. BC combined, 9.19V, +1.03(B-V), +0.93(U-B), CPM with
8841 2D:   A.  Component C is a close double, equal components, showing orbital motion.
8858 1D:   Suspected occultation double.
8860 1D:   AB, CPM. B, 13.0v at 8".
8865 1D:   AB binary.
8866 1D:   AB binary.  B is K2V.  Component A found double by speckle interferometry.
8868 1D:   CPM.
8872 1D:   AB 4.86 K0III, 7.13 F6V, 796.16y, a = 2.991".
8877 1D:   AB 6.04 F6III, 8.89V, +0.61(B-V), +0.08(U-B), G0V. AB CPM with C, 8.87v A3 at 17".
8879 1D:   Suspected occultation double.
8884 1D:   CPM.
8890 1D:   5.6 A2V, 6.4 A7V, 63.16y, a = 0.420".
8893 1D:   Interferometer double.
8895 1D:   CPM.  Companion A3III, vsini 129k/s.
8911 1D:   AB optical.  Component A suspected occultation double.
8912 1D:   Probably single star.
8926 1D:   AB, 4.9, 9.3V, 1500y, sep. 1.1".  CD, 8.2 A0Vn, 9.8v, sep. 1.6"; vsini of C, 210k/s.  Component E, optical.
8940 1D:   Spectrum binary unresolved by speckle interferometry.
8943 1D:   5.6 K4III, 5.7 K5III, 241.20y, a = 0.447".
8954 1D:   Duplicity questionable.
8956 1D:   Components K2.5IIIb and F9V.
8962 1D:   AB 6.3, 7.2v, 351.22y, a = 0.41".
8969 1D:   Optical.
8973 1D:   CPM.
8976 1D:   AB optical.
8988 1D:   Component B, CPM, A5Vep; however, the companion is optical.
8999 1D:   CPM, F6IV and G8V.
9002 1D:   11813y, a = 14.21".  Companion F2III or F2V, sources discordant; vsini 96k/s.
9003 1D:   Component A has composite spectrum but star unresolved by interferometer.  vsini of G5 component <19:k/s, A0 component
9003 2D:   =<50k/s.  Component B, 14.6v at 25"; C, 13.1v at 62".
9016 1D:   AB binary. B, 11v at 4". C is HD 223340, G type. AC, CPM.
9017 1D:   AB 6.8 A0, 7.4v,  565.77y, a = 0.74".  C, 8.6v at 50" optical.
9018 1D:   AB binary.  B is cA0.
9038 1D:   AB binary.  B, 12v M2 at 5".
9041 1D:   Sep. 0.107".
9044 1D:   Companion F2V; vsini 43k/s.  Components also classified A = Am(A1/A8V/F0), B = Am(A1/F1/F0).
9045 1D:   Possibly wide CPM pair with HR 9052.
9052 1D:   Wide pair with HR 9045.
9066 1D:   Companions optical.
9071 1D:   AB binary, 5.0v B2III, 7.1v B3V.
9074 1D:   AB 6.5 G0V, 6.7 G0V, 355y, a = 3.125".  C 12.9V at 82".  Blended mag. for HR 9074/5, 5.81V; colors for combined light.
9075 1D:   Binary with HR 9074, q.v.
9078 1D:   Probably single.
9088 1D:   AB 5.84 G3V, 8.88 K6V, 26.386y, a = 0.803".  A possible new companion found by speckle interferometry.  Components C, D
9088 2D:   probably optical.  C is K7V.
9094 1D:   ADS 1B, 7.47V, +0.08(B-V), +0.05(U-B), A2Vn, vsini 275k/s, may be shell star.  AB binary. C, 10.8m at 99" optical.
9105 1D:   Binary.