Explosive Events and the Evolution of the Photospheric Magnetic Field

Transition region explosive events have long been suggested as direct signatures of magnetic reconnection in the solar atmosphere. In seeking further observational evidence to support this interpretation, we study the relation between explosive events and the evolution of the solar magnetic field as...

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Bibliographic Details
Published inThe Astrophysical journal Vol. 687; no. 2; pp. 1398 - 1405
Main Author Muglach, K
Format Journal Article
LanguageEnglish
Published Chicago, IL IOP Publishing 10.11.2008
University of Chicago Press
Subjects
Astronomy
Earth, ocean, space
Exact sciences and technology
Sun: photosphere
Sun: transition region
Magnetic fields
Transition zone
Sun
Sun: magnetic fields
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Summary:Transition region explosive events have long been suggested as direct signatures of magnetic reconnection in the solar atmosphere. In seeking further observational evidence to support this interpretation, we study the relation between explosive events and the evolution of the solar magnetic field as seen in line-of-sight photospheric magnetograms. We find that about 38% of events show changes of the magnetic structure in the photosphere at the location of an explosive event over a time period of 1 hr. We also discuss potential ambiguities in the analysis of high-sensitivity magnetograms.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
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ISSN:0004-637X
1538-4357
DOI:10.1086/592065