Astronomy and Astrophysics – Astrophysics
Scientific paper
Nov 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apj...286l...5b&link_type=abstract
Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 286, Nov. 1, 1984, p. L5-L9. Research sponsored by
Astronomy and Astrophysics
Astrophysics
25
Energy Spectra, Gamma Ray Bursts, Interplanetary Space, Synchrotron Radiation, Bremsstrahlung, Surges, Time Dependence
Scientific paper
The time history, energy spectra, and precise localization of the intense January 13, 1979 gamma-ray burst, observed by five spacecraft in the interplanetary network, are presented. The time history displays a pulse-afterpulse structure suggestive of periodicity. Fine time resolution spectral analysis shows that a wide variety of models can be used to fit individual spectra, while spectra integrated over longer periods are well fitted by a thermal synchrotron law, making it difficult to identify any specific emission mechanism. The precise localization may be consistent with an archival optical transient having no quiescent counterpart down to 22d mag on recent plates.
Barat Claude
Cline Thomas
Desai U.
Evans Dafydd W.
Fenimore Edward E.
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