Distribution of intensities of gamma-ray bursts

Details Distribution of intensities of gamma-ray bursts Distribution of intensities of gamma-ray bursts

Oct 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...333..694p&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 333, Oct. 15, 1988, p. 694-699.

Astronomy and Astrophysics

Astrophysics

26

Astronomical Catalogs, Gamma Ray Bursts, Stellar Luminosity, Radial Distribution, Spatial Distribution

Scientific paper

The authors propose that at log N - log nmax relation should be used for studies of the spatial distribution of gamma-ray bursts, where N is the number of bursts which have a maximum photon count rate in excess of nmax. A relation N ≡ nmax-1.5 is expected if the sources are uniformly distributed in infinite, flat space, regardless of the distribution of intrinsic luminosities, spectra, and time profiles. Bursts in the Konus catalog follow a relation N ≡ nmaxa, with the most probable value a = -1.2. However, a = -1.5 is also acceptable. This result and the apparently isotropic distribution of ≡102 bursts over the sky do not allow a purely observational distance estimate for the sources.

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