Hot plasma at the geostationary orbit. Some features of angular distributions of electron fluxes

Some features of the angular anisotropy of electron fluxes with an energy of about 0.1—14 keV as an instrument for studying hot plasma dynamics in the vicinity of the geostationary orbit have been investigated. The experimental data used in the study were obtained on March 11-25, 1992, at the GORIZONT-35 artificial earth satellite. It is shown that under the conditions of low geomagnetic activity electron fluxes in the vicinity of the geostationary orbit in the night sector of the magnetosphere are anisotropic, whereas at the time of geomagnetic disturbances they are almost isotropic.