Harry P. Warren 2000 ApJ 536 L105 doi:10.1086/312734
Fine Structure in Solar Flares
FREEHarry P. Warren1
Show affiliationsWe present observations of several large two-ribbon flares observed with both the Transition Region and Coronal Explorer (TRACE) and the soft X-ray telescope on Yohkoh. The high spatial resolution TRACE observations show that solar flare plasma is generally not confined to a single loop or even a few isolated loops but to a multitude of fine coronal structures. These observations also suggest that the high-temperature flare plasma generally appears diffuse while the cooler (
2 MK) postflare plasma is looplike. We conjecture that the diffuse appearance of the high-temperature flare emission seen with TRACE is due to a combination of the emission measure structure of these flares and the instrumental temperature response and does not reflect fundamental differences in plasma morphology at the different temperatures.
- Subject headings
- Dates
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Issue 2 (2000 June 20)
Received 2000 March 15, accepted for publication 2000 May 8
Published 2000 June 19
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Fine Structure in Solar Flares
Harry P. Warren 2000 ApJ 536 L105
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