A 3rd Class of Gamma Ray Bursts?
Astrophysics
2007-05-23 v2
Abstract
Two classes of Gamma Ray Bursts have been identified so far, characterized by T_90 durations shorter and longer than approximately 2 seconds. We show here that the BATSE 3B data allow a good fit with three Gaussian distributions in log T_90. The chi^2 statistic indicates a 40 % probability for two Gaussians, whereas the three-Gaussian fit probability is 98 %. Using another statistical method, it is argued that the probability that the third class is a random fluctuation is less than 0.02 %.
Keywords
Cite
@article{arxiv.astro-ph/9803077,
title = {A 3rd Class of Gamma Ray Bursts?},
author = {I. Horvath},
journal= {arXiv preprint arXiv:astro-ph/9803077},
year = {2007}
}
Comments
10 pages, 5 Postscript figures. Submitted to The Astrophysical Journal, October 1997