The distribution of cosmological γ-ray bursts

Ehud Cohen; Tsvi Piran

doi:10.1086/187851

The distribution of cosmological γ-ray bursts

Ehud Cohen^*
, Tsvi Piran

^*Corresponding author for this work

Racah Institute of Physics

Research output: Contribution to journal › Article › peer-review

54 Scopus citations

Abstract

We compare the burst distribution of the BATSE-2B catalog to a cosmological distribution. The observed distribution agrees well with a cosmological one, however, it is insensitive to cosmological parameters such as Ω and Λ. The bursts are not necessarily standard candles, and their luminosity can vary by up to a factor of 10. The maximal redshift, z_max, of bursts longer than 2 s is 2.1⁺¹_-0.7 (assuming no evolution). The present data is insufficient to determine maximal redshift, z_max, of bursts shorter than 2 s.

Original language	English
Pages (from-to)	L25-L28
Journal	Astrophysical Journal
Volume	444
Issue number	1 PART 2
DOIs	https://doi.org/10.1086/187851
State	Published - 1 May 1995

Keywords

Cosmology: observations
Gamma rays: bursts

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10.1086/187851

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KW - Gamma rays: bursts

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The distribution of cosmological γ-ray bursts

Abstract

Keywords

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