Mathematics – Probability
Scientific paper
May 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993aas...182.7401l&link_type=abstract
American Astronomical Society, 182nd AAS Meeting, #74.01; Bulletin of the American Astronomical Society, Vol. 25, p.923
Mathematics
Probability
Scientific paper
We find that the sample of gamma-ray bursts, observed by the BATSE experiment on the Compton Gamma Ray Observatory, has a conspicuous set of 5 bursts which are closely associated in both space and time, separated in position by less than their positional uncertainty and separated in time by less than a few days. From a preliminary statistical analysis of these associations, we estimate that the probability of such a set of 5 bursts being random is less than 10(-4) , while the probability that they come from a single repeating source is 85%. Thus, we suggest that these bursts arise from a repeating source at a location of ~ 0855-00. Unlike most of the ``soft" gamma-ray repeaters, these repeating bursts have relatively hard spectra and widely varying durations, that are indistinguishable from the common, ``classical" gamma-ray bursts.
Lingenfelter Richard E.
Wang V.
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