UVCS Observations of the 21 April 2002 CME

Details UVCS Observations of the 21 April 2002 CME UVCS Observations of the 21 April 2002 CME

Dec 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002agufmsa21b0430r&link_type=abstract

American Geophysical Union, Fall Meeting 2002, abstract #SA21B-0430

Physics

7513 Coronal Mass Ejections, 7549 Ultraviolet Emissions

Scientific paper

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.

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