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Morphological properties of Short Duration GRBs | | Varsha Gupta
; Patrick Das Gupta
; P.N.Bhat
; | | Date: |
17 Mar 1999 | | Subject: | astro-ph | | Abstract: | In this paper, we study a sample of 65 short duration bursts contained in the 3B catalogue. We fit the time profiles of these GRBs with lognormal functions and study various temporal properties. In most of the multi-peaked bursts, our analysis leads to a statistical evidence for the evolution of temporal asymmetry in individual pulses i.e. subsequent pulses in a GRB, on an average, tend to be more symmetric. Using a peak asymmetry evolution parameter, we find that 90% of short duration GRBs with 3 or more peaks exhibit the above trend individually. | | Source: | arXiv, astro-ph/9903256 | | Services: | Forum | Review | PDF | Favorites | |
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