Some features of solar cosmic ray penetration into the Earth's magnetosphereстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:We compared fluxes of the 1-100 MeV solar energetic particles (SEP) measured in the interplanetary medium (ACE) and in the magnetosphere (Universitetsky-Tatiana, POES-in polar caps, and GOES-11-at geosynchronous orbit) during several SEP events of 2005-2006. Peak intensities of the SEP fluxes inside and outside the magnetosphere were compared for each event. It is shown that observed inside-outside difference depends mainly on direction of interplanetary magnetic field (IMF), on degree of the SEP anisotropy (pitch-angle distribution) in IMF, and on distance of the dayside magnetopause from the Earth.