On the correlation of angular position with time of occurrence of gamma-ray bursts

Details On the correlation of angular position with time of occurrence of gamma-ray bursts On the correlation of angular position with time of occurrence of gamma-ray bursts

Mar 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995apj...441l..37p&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 441, no. 1, p. L37-L38

Astronomy and Astrophysics

Astronomy

13

Big Bang Cosmology, Gamma Ray Bursts, Gamma Rays, Neutron Stars, Normal Density Functions, Statistical Correlation, Angular Distribution, Anisotropy, Astronomical Catalogs, Gamma Ray Observatory, Isotropy, Sky Surveys (Astronomy)

Scientific paper

Evidence indicating that a large fraction of gamma-ray bursts are repeaters would provide strong support for noncosmological origin of these sources. Wang & Lingenfelter have claimed existance of a correlation between angular position and time of occurrence of bursts. We perform statistical tests and find a marginal evidence for nearby bursts occurring within 4 to 5 days of each other in the BATSE 1B catalog. This evidence is present also in the 2B catalogs, which in addition, shows some marginal evidence for bursts repetition at longer time delays up to the total length of the observations.

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