TRACE Downflows and Energy Release

Details TRACE Downflows and Energy Release TRACE Downflows and Energy Release

Jan 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004esasp.547..163a&link_type=abstract

Proceedings of 'SOHO 13 - Waves, Oscillations and Small-Scale Transient Events in the Solar Atmosphere: A Joint View from SOHO a

Computer Science

Scientific paper

We have examined in detail the evolution of a big two-ribbon flare which occurred on 2002 July 23. The extreme ultraviolet images obtained with TRACE show dark downflow motions (sunward motions) above the post-flare loop, not only in the decay phase but also in the impulsive and main phase. We found that the times when the downflow motions are seen correspond to those of the bursts of nonthermal emissions in hard X-ray and microwave. This result means that the downflow motions occurred when strong magnetic energy was released, and that they are, or correlated with, the reconnection outflows. We also found the ascending motions of super hot plasma region seen in TRACE and RHESSI associating with the light curves in hard X-rays and microwaves. This result supports the Neupert effect.

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