A further study of the BATSE Gamma-Ray Burst duration distribution
Open Access
- 9 September 2002
- journal article
- Published by EDP Sciences in Astronomy & Astrophysics
- Vol. 392 (3) , 791-793
- https://doi.org/10.1051/0004-6361:20020808
Abstract
Two classes of gamma-ray bursts have been identified so far, characterized by durations shorter and longer than about 2 s. In 1998 two independent papers indicated the existence of the third class of the bursts with duration between approximately 2 and 10 s. In this paper, using the full BATSE Catalog, the maximum likelihood estimation is presented, which gives a 0.5% probability for having only two subclasses. A Monte-Carlo simulation also confirms this probability.Keywords
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