Observations of global oscillations of the sun in the SOKOL experiment onboard the CORONAS-PHOTON satellite

Details Observations of global oscillations of the sun in the SOKOL experiment onboard the CORONAS-PHOTON satellite Observations of global oscillations of the sun in the SOKOL experiment onboard the CORONAS-PHOTON satellite

Jun 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011sosyr..45..200l&link_type=abstract

Solar System Research, Volume 45, Issue 3, pp.200-205

Mathematics

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Scientific paper

The helioseismological experiment onboard the CORONAS-PHOTON satellite is intended for the study of characteristics and the internal structure of the Sun using the solar eigenmodes spectrum obtained by the measurement of fluctuations of the solar radiation intensity. This experiment is the continuation of investigations of solar global oscillations started onboard artificial satellites CORONAS-I and CORONAS-F. Measurements of fluctuations of the solar radiation intensity in seven optical ranges - from the near ultraviolet to infrared spectral regions - are carried out by the solar photometer SOKOL (SOlnechnye KOLebaniya (Solar Oscillations)) developed at IZMIRAN. Over an instrument operation period of more than 9 months, a large volume of the scientific information (more than 500 MB) has been obtained. The primary processing of obtained data was performed, and spectra of fluctuations of the solar radiation intensity were constructed. On the basis of part of the processed information obtained by the photometer SOKOL, and data of the experiment DIFOS (Differential Oscillations of the Sun) onboard the artificial satellite CORONAS-F, the dependence of the relative amplitude of oscillations on the wavelength of the observation was determined.

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