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Bogomolov, A. V.; Bogomolov, V. V.; Iyudin, A. F.; Kalegaev, V. V.; Korzhik, M. V.; Osedlo, V. I.; Podzolko, M. V.; Sazonov, V. V.; Svertilov, S. I.
JETP letters, 02/2024, Letnik: 119, Številka: 4Journal Article
Electron fluxes with energies >0.3 MeV have been measured on the SiriusSat-1 satellite in the final stage of its flight in the altitude range from ~400 to 180 km in the region of the South Atlantic anomaly. The existing models of distributions of electron fluxes in the near-Earth space such as the АЕ8 and АЕ9 models primarily concern trapped particles in radiation belts at altitudes above 400 km. Data on subrelativistic electron fluxes at altitudes below 300 km are almost absent. Since the SiriusSat-1 satellite operated until its burning in the atmosphere, unique measurements of the altitude behavior of subrelativistic electron fluxes have been performed, in particular in the region of the South Atlantic anomaly.
