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- VIRGO
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- VIRGO (Variability of solar IRradiance and Gravity Oscillations) determines the characteristics of acoustic and
- internal gravity oscillations by observing irradiances and radiance variations, measures the solar total and spectral
- irradiance to quantify their variability over periods of days to the duration of the mission.
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- The VIRGO experiment will provide the following observational and derived data:
- ∑ continuous high-precision, high-stability and high-accuracy
- measurements of the solar total and spectral irradiance and
- spectral radiance variation;
- ∑ continuous measurements of the solar polar and equatorial
- diameters;
- ∑ frequencies, amplitudes and phases of oscillation modes in the
- frequency range of 1 Hz to 8 mHz.
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- PRINCIPAL INVESTIGATOR:
- C. Frˆhlich, Physikalisch-Meteorologisches Observatorium Davos, World Radiation Center, Davos Switzerland
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