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Arches showing UV flaring activityThe UVSP data obtained in the previous maximum activity cycle show the frequent appearance of flaring events in the UV. In many cases these flaring events are characterized by at least two footpoints which show compact impulsive non-simultaneous brightenings and a fainter but clearly observed arch developes between the footpoints. These arches and footpoints are observed in line corresponding to different temperatures, as Lyman alpha, N V, and C IV, and when observed above the limb display large Doppler shifts at some stages. The size of the arches can be larger than 20 arcsec.
Document ID
19890006495
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Fontenla, J. M. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Date Acquired
September 5, 2013
Publication Date
November 1, 1988
Publication Information
Publication: NASA, Goddard Space Flight Center, Max 1991: Flare Research at the Next Solar Maximum. Workshop 1: Scientific Objectives
Subject Category
Solar Physics
Accession Number
89N15866
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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