Hard X-ray Source Distributions on EUV Bright Kernels in a Solar Flare

Details Hard X-ray Source Distributions on EUV Bright Kernels in a Solar Flare Hard X-ray Source Distributions on EUV Bright Kernels in a Solar Flare

Apr 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011soph..269..283n&link_type=abstract

Solar Physics, Volume 269, Issue 2, pp.283-293

Physics

2

Euv Emission, Flares, X-Ray Bursts, Hard

Scientific paper

We explore the hard X-ray source distributions of an C1.1 flare occurred on 14 December 2007. Both Hinode/EIS and RHESSI observations are used. One of EIS rasters perfectly covers the double hard X-ray footpoints, where the EUV emission appears strong from the cool line of He ii (log T=4.7) to the hot line of Fe xvi (log T=6.4). We analyze RHESSI X-ray images at different energies and different times before the hard X-ray maximum. The results show a similar topology for the time-dependent source distribution ( i.e. at 14:14:35 UT) as that for energy-dependent source distribution ( i.e. at a given energy band of 6 - 9 keV) overlapped on EUV bright kernels, which seems to be consistent with the evaporation model.

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