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Title:
The impulsive phase of solar flares. II - Characteristics of the hard X-rays
Authors:
Leach, J.; Petrosian, V.
Affiliation:
AA(Stanford University, Stanford, CA), AB(Stanford University, Stanford, CA)
Publication:
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 269, June 15, 1983, p. 715-727. (ApJ Homepage)
Publication Date:
06/1983
Category:
Solar Physics
Origin:
STI
NASA/STI Keywords:
Electron Distribution, Solar Electrons, Solar Flares, Solar X-Rays, Bremsstrahlung, Coronal Loops, Directivity, Models, Polarization (Waves), Spatial Distribution, X Ray Spectra
DOI:
10.1086/161081
Bibliographic Code:
1983ApJ...269..715L

Abstract

The results of an investigation into the electron distribution in the general non-thermal models of solar flares were used to calculate the characteristics of the impulsive hard X-rays. The height distribution, the spectrum, the polarization, and directivity of the X-rays were observed and how these X-ray characteristics are affected by the parameters defining the model was investigated. An expression is obtained for the X-ray intensity as a function of source height which is an excellent fit under certain constraints. Some available data with spatial resolution are examined and it is shown that it is possible to reproduce these data adequately with the non-thermal model and to determine the values of the parameters describing the flares. Previously announced in STAR as N82-34328

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Database: Astronomy
Physics
arXiv e-prints