Dynamics of equatorial and polar boundaries of penetration of solar protons with energy about 1 MeV into magnetosphere during strong magnetic storm

Details Dynamics of equatorial and polar boundaries of penetration of solar protons with energy about 1 MeV into magnetosphere during strong magnetic storm Dynamics of equatorial and polar boundaries of penetration of solar protons with energy about 1 MeV into magnetosphere during strong magnetic storm

Apr 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991rpsct...5...37d&link_type=abstract

In its JPRS Report: Science and Technology. USSR: Space p 37-38 (SEE N91-26162 18-12) Transl. into ENGLISH from Geomagnetizm i A

Physics

Asymmetry, Boundaries, Electrojets, Magnetic Storms, Penetration, Solar Protons, Storms, Artificial Satellites, Injection, Ring Currents, Satellite Imagery

Scientific paper

Research on the asymmetric injection of ring current particles on the basis of direct measurements on a single satellite does not make it possible to obtain the global picture of particle injection because the satellite intersects only two narrow sectors LT. Accordingly, a study was made of the dynamics of the equatorial and polar boundaries of penetration of solar protons into the magnetosphere on the basis of published data from simultaneous measurements on three artificial satellites during the phase of development and at onset of the recovery phase of the strong magnetic storm of 3 to 4 Apr. 1979, supplemented by data from the world network of magnetic observatories. It was found that the extremal approach of the boundary of penetration of solar protons with an energy about 1 MeV to the Earth occurred several hours before the storm maximum and with a minimal latitudinal position of the polar electrojet. Quasiperiodic movements of the polar boundaries of solar protons in the magnetosphere, associated with a series of substorms in the process of development of a world magnetic storm, were discovered.

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