Mathematics
Scientific paper
Aug 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996aipc..384..106w&link_type=abstract
Gamma-ray bursts: 3rd Huntsville symposium. AIP Conference Proceedings, Volume 384, pp. 106-110 (1996).
Mathematics
4
Gamma-Ray Sources, Gamma-Ray Bursts, Mathematical Procedures And Computer Techniques
Scientific paper
The bimodality in the distribution of gamma-ray burst duration, T90, observed with BATSE suggests there are two distinct subclasses of bursts, placing serious constraints on the origin of gamma-ray bursts. However, the T90 samples are a mixture of individual peak durations and temporal separations between adjacent peaks. The studies of individual peak durations and the peak separations in the BATSE 1B catalog show these are two distinct distributions. Each distribution can be fit by a single smooth function, but with different time scales. I propose that a bimodality can be produced by the superposition of these two distinct time scales in bursts. A preliminary Monte Carlo simulation shows that mixing these two distributions randomly in a burst can generate apparent bimodality.
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