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The Flare of 1989 September 9, 09:09 UT: Does Coronal Loop Collision Initiate Efficient Gamma-Ray Emission?

Published online by Cambridge University Press:  12 April 2016

H. Aurass ,
A. Hofmann  and
E. Rieger
H. Aurass
Affiliation:
Astrophysikalisches Institut Potsdam, Observatorium für Solare Radioastronomie, 14552 Tremsdorf, Germany
A. Hofmann
Affiliation:
Astrophysikalisches Institut Potsdam, Sonnenobservatorium Einsteinturm, 14473 Potsdam, Telegrafenberg, Germany
E. Rieger
Affiliation:
Max-Planck-Institut für Extraterrestrische Physik, 85748 Garching, Germany

Abstract

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Vector magnetogram data and Hα pictures together with data published by Chupp et al. lead us to conjecture that in the presented case a contact between the rising two-ribbon flare current sheet and a coronal loop connecting two nearby plage regions initiates efficient high-energy γ-ray emission.

Subject headings: Sun: corona — Sun: flares — Sun: X-rays, gamma rays

Type
Poster Papers
Information
International Astronomical Union Colloquium , Volume 142: Particle Acceleration Phenomena in Astrophysical Plasmas , 1994 , pp. 707 - 711
Copyright
Copyright © The American Astronomical Society 1994

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