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The free energies of partially open coronal magnetic fieldsA simple model of the low corona is examined in terms of a static polytropic atmosphere in equilibrium with a global magnetic field. The question posed is whether magnetostatic states with partially open magnetic fields may contain magnetic energies in excess of those in fully open magnetic fields. Based on the analysis presented here, it is concluded that the cross-field electric currents in the pre-eruption corona are a viable source of the bulk of the energies in a mass ejection and its associated flare.
Document ID
19930057243
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Low, B. C.
(NASA Headquarters Washington, DC United States)
Smith, D. F.
(High Altitude Observatory Boulder, CO, United States)
Date Acquired
August 16, 2013
Publication Date
June 10, 1993
Publication Information
Publication: Astrophysical Journal, Part 1
Volume: 410
Issue: 1
ISSN: 0004-637X
Subject Category
Solar Physics
Accession Number
93A41240
Distribution Limits
Public
Copyright
Other

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