Detailed characterization of substorm dipolarization and particle injection from an unprecedented constellation of geosynchronous satellites

Details Detailed characterization of substorm dipolarization and particle injection from an unprecedented constellation of geosynchronous satellites Detailed characterization of substorm dipolarization and particle injection from an unprecedented constellation of geosynchronous satellites

Dec 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011agufmsm31b2114g&link_type=abstract

American Geophysical Union, Fall Meeting 2011, abstract #SM31B-2114

Physics

[2740] Magnetospheric Physics / Magnetospheric Configuration And Dynamics, [2788] Magnetospheric Physics / Magnetic Storms And Substorms, [2790] Magnetospheric Physics / Substorms, [7984] Space Weather / Space Radiation Environment

Scientific paper

Charging of geosynchronous satellites to potentially damaging levels has been associated with the injection of energetic particles during substorms. Although substorms have been studied for decades, questions about the physics and even the basic phenomenology still remain due in part to the lack of routine multi-satellite measurements. However, the recent launch of the GOES 13-15 satellites offers unprecedented measurements at geosynchronous altitude and a unique opportunity to study substorm dipolarization and particle injection. Typically, measurements are only available from 2 GOES satellites separated by 60 degrees longitude. But from April 2010 until Feb 2011 data was collected from at least 3 and up to 5 GOES satellites. These data include the standard magnetometer measurements as well as measurements of energetic protons and electrons from the new MAGED and MAGPD instruments. We use these data to produce a new detailed view of the substorm dipolarization and particle injection region.

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