A model of a solar flare: Comparisons with observations of high-energy processes

Details A model of a solar flare: Comparisons with observations of high-energy processes A model of a solar flare: Comparisons with observations of high-energy processes

Oct 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006arep...50..842p&link_type=abstract

Astronomy Reports, Volume 50, Issue 10, pp.842-850

Astronomy and Astrophysics

Astronomy

3

Pacs Numbers 96.60.Qe, 96.60.Ph, 96.60.Qe

Scientific paper

New data for the energy and location of the hard-emission centers of a solar flare agree with an electrodynamic model of a solar flare based on the idea of the accumulation of free magnetic energy in the field of a current sheet. Three-dimensional MHD simulations are used to show that the energy stored in the preflare magnetic field of the current sheet is sufficient for the development of a flare and a coronal mass ejection. The flare and coronal mass ejection result from the explosive decay of the current sheet. The position of the brightness-temperature maximum of the radio emission during the flare coincides with the maximum of the current in the current sheet. The exponential spectrum of relativistic protons generated during the flare is consistent with acceleration by the electric field during the current-sheet decay.

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