Cosmological Brightness Distribution Fits of Gamma Ray Burst Sources

Details Cosmological Brightness Distribution Fits of Gamma Ray Burst Sources Cosmological Brightness Distribution Fits of Gamma Ray Burst Sources

1995-07-13

arxiv.org/abs/astro-ph/9507053v1

Astrophys.J. 470 (1996) 56-60

Astronomy and Astrophysics

Astrophysics

Ap.J. in press, uuencoded .ps file, 9 pages manuscript plus 5 figures

Scientific paper

10.1086/177849

We discuss detailed fits of the BATSE and PVO gamma-ray burst peak-flux distributions with Friedman models taking into account possible density evolution and standard candle or power law luminosity functions. A chi-square analysis is used to estimate the goodness of the fits and we derive the significance level of limits on the density evolution and luminosity function parameters. Cosmological models provide a good fit over a range of parameter space which is physically reasonable.

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