Determining the Gamma-Ray Burst Rate as a Function of Redshift

Details Determining the Gamma-Ray Burst Rate as a Function of Redshift Determining the Gamma-Ray Burst Rate as a Function of Redshift

2001-07-28

arxiv.org/abs/astro-ph/0107549v1

Astronomy and Astrophysics

Astrophysics

To appear in Procs. of Gamma-Ray Bursts in the Afterglow Era: 2nd Workshop, 3 pages, 3 figures, LaTeX

Scientific paper

10.1007/10853853_68

We exploit the 14 gamma-ray bursts (GRBs) with known redshifts z and the 7 GRBs for which there are constraints on z to determine the GRB rate R_{GRB}(z), using a method based on Bayesian inference. We find that, despite the qualitative differences between the observed GRB rate and estimates of the SFR in the universe, current data are consistent with R_{GRB}(z) being proportional to the SFR.

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