The relation between geomagnetic pulsations and an increase in the fluxes of geosynchronous relativistic electrons during geomagnetic storms |
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| Authors: | V I Degtyarev I P Kharchenko A S Potapov B Tsegmed S E Chudnenko |
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| Institution: | (1) Institute of Geophysics, Ukrainian National Academy of Sciences, Kiev, 252601, Ukraine |
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| Abstract: | The dynamics of the Pc5 and Pi1 pulsation characteristics and relativistic electron fluxes at geostationary orbit were comparatively
analyzed for three nine-day intervals, including quiet periods and periods of geomagnetic storms. It was shown that relativistic
electron fluxes increase considerably when the power of global Pc5 pulsations and the index of midlatitude irregular Pi1 pulsations
increase simultaneously. The correlation between the characteristics of Pi1 and Pc5 geomagnetic pulsations and the level of
the relativistic electron flux at geostationary orbit during the magnetic storm recovery phase were studied. It was shown
that the correlation coefficient of the relativistic electron maximal fluxes during the magnetic storm recovery phase with
the parameter of midlatitude Pi1 pulsations is slightly higher than such a correlation coefficient with the solar wind velocity. |
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