Multi-satellite measurements of the substorm injection region

Details Multi-satellite measurements of the substorm injection region Multi-satellite measurements of the substorm injection region

Oct 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990georl..17.2015r&link_type=abstract

Geophysical Research Letters (ISSN 0094-8276), vol. 17, Oct. 1990, p. 2015-2018.

Computer Science

Sound

41

Energetic Particles, Geosynchronous Orbits, Remote Sensing, Satellite Sounding, Earth Magnetosphere, Electrons, Ions, Magnetic Fields, Models

Scientific paper

Measurements of energetic particles obtained with a set of three geosynchronous satellites (1977-007, 1981-025, and 1982-019) are used to investigate the substorm injection region and particle drifts for an event on Feb. 3, 1983. A technique has been developed which allows remote sensing of the boundaries of the substorm injection region and the injection time by using measured energy dispersion and modeling particle drifts within the semi-empirical magnetospheric field model of Tsyganenko and Usmanov (1982). The injection region for this event was found to span 90 deg around local midnight. The presence of spacecraft on either side of the injection region limit possible errors. Good agreement between long and short drift paths is found for ions while electron measurements give less reliable results.

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