Average temporal signatures of GRBs: applications to theoretical models |
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| Authors: | Igor G Mitrofanov |
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| Institution: | (1) Institute for Space Research, Profsojznaya str. 84/32, 117810 Moscow, Russia |
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| Abstract: | New statistical results for cosmic gamma-ray bursts are presented, based on aligned average time profiles. General signatures are discussed of averaged flux/spectrum evolution of the full set of the Second BATSE Catalog GRBs (Fishmanet al., 1995), as well as of the bright and dim subsets. The contradictory conclusions made by Norriset al., (1994) and Mitrofanovet al., (1995a) about the presence or the absence of the time-dilation of dim GRBs are discussed. The well-established effect of hardness/brightness correlation of GRBs is presented. The consequences of these statistical studies are discussed for the cosmological and galactic paradigms of GRBs sources. |
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