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Title:
Current loop coalescence model of solar flares [ Erratum: 1988ApJ...329..517T ]
Authors:
Tajima, T.; Sakai, J.; Nakajima, H.; Kosugi, T.; Brunel, F.; Kundu, M. R.
Affiliation:
AA(Texas, University, Austin), AB(Toyama University, Japan), AC(Tokyo Astronomical Observatory, Mitaka, Japan), AD(NASA, Goddard Space Flight Center, Greenbelt, MD), AE(National Research Council of Canada, Div. of Physics, Ottawa)
Publication:
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 321, Oct. 15, 1987, p. 1031-1048. (ApJ Homepage)
Publication Date:
10/1987
Category:
Solar Physics
Origin:
STI
NASA/STI Keywords:
Coalescing, Coronal Loops, Magnetohydrodynamics, Solar Flares, Stellar Models, Energy Transfer, Lines Of Force, Magnetic Field Configurations, Plasma Currents, Solar X-Rays, Time Response
DOI:
10.1086/165694
Bibliographic Code:
1987ApJ...321.1031T

Abstract

A computer simulation and theoretical study of the physical characteristics of the explosive coalescence of current-carrying loops is presented. Characteristics of the explosive coalescence include a large impulsive increase of the kinetic energies of electrons and ions, the simultaneous heating and acceleration of electrons and ions in high and low energy ranges, and a break in the energy spectra of electrons and ions. A characteristic double subpeak structure is found in the quasi-periodic oscillations found in the time profiles of the solar flares of June 7, 1980 and November 26, 1982 which can be explained in terms of the coalescence instability of two current loops.

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