Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...327..466s&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 327, April 1, 1988, p. 466-472.
Astronomy and Astrophysics
Astrophysics
6
Gamma Ray Bursts, Particle Acceleration, Solar Flares, Trapped Particles, X Ray Spectra, High Temperature, Solar Maximum Mission, Spectral Resolution
Scientific paper
The 1980 June 7 flare at 0312 UT was analyzed with double power-law fits using data from the hard X-ray burst spectrometer on the Solar Maximum Mission. The flare is composed of seven peaks of characteristic time scale ≈8 s followed by seven valleys which may contain significant peak components because of overlap. The evolution of the double power-law parameters through the third and fourth peaks was studied and the fourth peak showed a hysteresis effect, being harder on the decay than on the rise. A possible interpretation in terms of a trap plus precipitation model is given and the relevance of these results to previous models such as sequentially firing loops is discussed.
Orwig Larry E.
Smith Dean F.
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