The Magnetospheric and Ionospheric Configuration During the 1859 Carrington Event Super-Storm

Details The Magnetospheric and Ionospheric Configuration During the 1859 Carrington Event Super-Storm The Magnetospheric and Ionospheric Configuration During the 1859 Carrington Event Super-Storm

Dec 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002agufmsm22a0569r&link_type=abstract

American Geophysical Union, Fall Meeting 2002, abstract #SM22A-0569

Physics

2437 Ionospheric Dynamics, 2455 Particle Precipitation, 2463 Plasma Convection, 2740 Magnetospheric Configuration And Dynamics

Scientific paper

Using the University of Michigan MHD code, we have simulated the magnetospheric and ionospheric configuration during the 1859 Carrington event. This event is thought to have a solar wind speed of 2500 km/s and an IMF Bz of -250 nT. We show results for a number of different solar wind densities (from super-Alfvenic to a sub-Alfvenic flow). The magnetopause is significantly inside of geosynchronous orbit, while the bow shock is close to it, depending upon the Alfvenic mach number. Three dimension maps of the magnetospheric configuration are shown. The ionospheric potential, Joule heating, and auroral precipitation patterns are shown. The dependence of these quantites on the solar wind density is examined.

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