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- CELIAS
-
- The CELIAS (Charge, Element and Isotope Analysis System) instrument is designed to study the composition of the
- solar wind and energetic ions of solar, interplanetary, and interstellar origin:
- ∑ The steady heating process in the corona
- ∑ Solar wind acceleration processes
- ∑ Dynamic heating phenomena driven by magnetic fields or
- waves, e.g. heating in coronal mass ejections, filament
- eruptions, flares
- ∑ Solar energetic particle acceleration processes
- ∑ Processes leading to variations in abundances (elemental, ionic
- ∑ charge, isotopic)
- ∑ The relation between composition and events/regions in the
- ∑ solar atmosphere.
- Further scientific goals of CELIAS are to study the composition and dynamics of interplanetary pick-up ions in
- correlation with the solar extreme ultraviolet (EUV) flux. For this purpose a solar EUV flux monitor (SEM) for the
- wavelength 17 to 70 nm has been included into the CELIAS instrument as a sub-unit of the STOF sensor.
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