UVCS Observations of the 21 April 2002 CME
Abstract
In conjunction with the Max Millenium campaign, the UVCS slit was placed at 1.53 solar radii when the X-class flare in Active Region 9906 occurred. At 1:05 UT the streamer that dominated the pre-flare emission began to fade, and the streamer was violently disrupted, with Doppler shifts reaching -850 and +500 km/s. We discuss the physical parameters of the pre-CME streamer, the nature of the streamer blowout, and a feature visible in the line of [Fe XVIII] possibly associated with magnetic reconnection.
- Publication:
-
AGU Fall Meeting Abstracts
- Pub Date:
- December 2002
- Bibcode:
- 2002AGUFMSA21B0430R
- Keywords:
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- 7513 Coronal mass ejections;
- 7549 Ultraviolet emissions