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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 | Affiliation: | 1,2,3), 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 | Abstract: | The 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 | Services: | Forum | Review | PDF | Favorites |
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