Relativistic electron flux enhancement on October 28, 2003

Details Relativistic electron flux enhancement on October 28, 2003 Relativistic electron flux enhancement on October 28, 2003

May 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005agusmsm43b..08x&link_type=abstract

American Geophysical Union, Spring Meeting 2005, abstract #SM43B-08

Physics

2720 Energetic Particles, Trapped, 2730 Magnetosphere: Inner, 2731 Magnetosphere: Outer, 2778 Ring Current, 2788 Storms And Substorms

Scientific paper

Abrupt enhancement of relativistic electron (E > 2MeV) flux was observed by geosynchronous and polar orbit satellites at 11:50 UT on Oct. 28, 2003 after an intense X17 solar x-ray burst at 11:10 UT. The relativistic electron enhancement occurred before the magnetic storm starting at 6:00 UT on the next day and was directly correlated with the Solar Energetic Particle (SEP) event in the upstream solar wind. Observations by SAMPEX (E > 1MeV), NOAA/POES (E > 0.3MeV), Polar and Cluster spacecraft show that the abrupt electron enhancements. The increase of electron flux lasted for several days, with its peak being clearly in conjunction with the arrival of an interplanetary shock at the Earth. This study will focus on the relativistic electron behavior in the inner magnetosphere and radiation belt region. The implications for this event will be discussed.

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