Interaction between an interplanetary shock and the Earth's magnetosphere on 27 August 1978: ISEE-1 electric field and ISEE-2 plasma observations

Details Interaction between an interplanetary shock and the Earth's magnetosphere on 27 August 1978: ISEE-1 electric field and ISEE-2 plasma observations Interaction between an interplanetary shock and the Earth's magnetosphere on 27 August 1978: ISEE-1 electric field and ISEE-2 plasma observations

Sep 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984stin...8532078h&link_type=abstract

Interaction between an interplanetary shock and the Earth's magnetosphere on 27 August 1978: ISEE-1 electric field and ISEE-2 pl

Computer Science

Earth Magnetosphere, International Sun Earth Explorer 1, International Sun Earth Explorer 2, Interplanetary Medium, Shock Waves, Solar Terrestrial Interactions, Bow Waves, Electric Fields, Solar Wind

Scientific paper

An interplanetary shock caused a rapid compression of the magnetosphere. The ISEE-1/ISEE-2 satellites were in the frontside magnetosphere before the shock, and subsequently a magnetosonic wave front, the magnetopause, and the low shock passed the satellites in a very short time. Electric and magnetic field data were used to determine the magnetosonic velocity and the magnetopause velocity, in good agreement with magnetic time delay measurements. During this compressional motion the ExB velocity is towards the magnetopause from both sides, 75 km/sec from the Earth side and 50 km/sec from the Sun side. A power conversion flux close to +400 W/sqkm is determined for the magnetopause. A sunward potential drop of 135 to 280 V is detected near the bow shock and in this case the power conversion flux is negative, and in the range -(80 to 160 W/sqkm) or 10% of the solar wind kinetic energy flux.

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