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28 March 2024
 
  » arxiv » astro-ph/9806364

 Article overview


On the Association of Gamma-Ray Bursts with Supernovae
R. M. Kippen ; M. S. Briggs ; J. M. Kommers ; C. Kouveliotou ; K. Hurley ; C. R. Robinson ; J. van Paradijs ; D. H. Hartmann ; T. J. Galama ; P. M. Vreeswijk ;
Date 27 Jun 1998
Journal ApJ Lett. 506: L27-L30
Subject astro-ph
Affiliation1,2,3), M. S. Briggs(4,2), J. M. Kommers, C. Kouveliotou(6,2), K. Hurley, C. R. Robinson(6,2), J. van Paradijs(8,5), D. H. Hartmann, T. J. Galama, P. M. Vreeswijk ( University of Alabama in Huntsville, NASA/Marshall Space Flight Center, University o
AbstractThe recent discovery of a supernova (SN 1998bw) seemingly associated with GRB~980425 adds a new twist to the decades-old debate over the origin of gamma-ray bursts. To investigate the possibility that some (or all) bursts are associated with supernovae, we performed a systematic search for temporal/angular correlations using catalogs of BATSE and BATSE/{it Ulysses} burst locations. We find no associations with any of the precise BATSE/{it Ulysses} locations, which allows us to conclude that the fraction of high-fluence gamma-ray bursts from known supernovae is small ($<$0.2%). For the more numerous weaker bursts, the corresponding limiting fraction of 1.5% is less constraining due to the imprecise locations of these events. This limit ($1.5% simeq 18$ bursts) allows that a large fraction of the recent supernovae used as a comparison data set (18 supernovae $simeq 20%$) could have associated gamma-ray bursts. Thus, although we find no significant evidence to support a burst/supernova association, the possibility cannot be excluded for weak bursts.
Source arXiv, astro-ph/9806364
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