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Information × Registration Number 0201U001750, 0196U011268 , R & D reports Title Longtime variation of the global parameters of the Sun. popup.stage_title Head Kostyk R. I., Registration Date 19-02-2001 Organization Main Astronomical Observatory popup.description2 The global and the local solar oscillations has been investigated using ground station observations as well as space observations. Thr DIFOS experiment abord the satellite CORONAS has been designet to observe irradiance fluctuations due to global solar fluctuations. The scientific goals of that experiment was the determination of frequencies, amplitudes and phases of the low-degree p-modes of global solar oscillations and their variation with time and with height in the solar atnosphere. Local 5-min oscillations above solar granules and intergranular space have been investigated with the help of observations a time series of granulation spectral images with high spatial and temporal resolution. The 5-min intensity and velosityn fluctuations are shown to respond differently to the fine fotospheric structure. Product Description popup.authors popup.nrat_date 2020-04-02 Close