Bright Bursts and the GRB Distance Scale

Details Bright Bursts and the GRB Distance Scale Bright Bursts and the GRB Distance Scale

Sep 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995ap%26ss.231...11a&link_type=abstract

Astrophysics and Space Science, Volume 231, Issue 1-2, pp. 11-18

Astronomy and Astrophysics

Astrophysics

1

Gamma Ray Bursts

Scientific paper

We discuss the use of selected characteristics of the burster population (e.g. the distribution of peak fluxes, or durations) to derive the GRB distance scale within the framework of cosmological models. The effects of the cosmological expansion on GRBs are briefly noted and it is shown that intrinsic GRB properties may strongly complicate the search for (and the interpretation of) purely cosmological effects. In this context, bright GRBs provide a sample of reference; they are almost free of cosmological influences and they have been studied for a long time. We also emphasize the need for a GRB distance indicator which could be used for individual events; several recent studies suggest that such a quantity may exist.

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