Locations and time histories of five 1979 gamma-ray bursts

Details Locations and time histories of five 1979 gamma-ray bursts Locations and time histories of five 1979 gamma-ray bursts

Mar 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985apj...290..728l&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 290, March 15, 1985, p. 728-734. Research supported by the U.S. Department

Astronomy and Astrophysics

Astronomy

40

Astronomical Coordinates, Gamma Ray Bursts, Spaceborne Astronomy, Time Measurement, Astronomical Catalogs, Gamma Ray Spectra

Scientific paper

The locations and time histories of five gamma-ray bursts that occurred between 1979 March 7 and March 31 were studied. The error box for GB 790325 has a typical dimension of about 1.5 arcmin. The other localizations, while not precise enough for thorough optical examination, contribute to distribution studies and allow radio and X-ray observations, catalog searches, and other archival work. A search through selected catalogs did reveal one object, the star FY Aql (cataloged as a Mira-type variable but probably a dwarf nova) inside one of the gamma-ray burst boxes. Given the parameters of this particular search, the probability of at least one chance association is 0.03. Both recent and archival optical examinations of some of the error boxes were carried out, and no indications of any actual physical associations were seen. One event, GB 790331, had an interesting spectral behavior, in that the leading edges of the two main peaks within the burst had harder spectra than the remainder of the event.

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