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Average Emissivity Curve of BATSE Gamma-Ray Bursts with Different IntensitiesSix intensity groups with $/sim 150$ BATSE gamma-ray bursts each are compared using average emissivity curves. Time-stretch factors for each of the dimmer groups are estimated with respect to the brightest group. Which serves as the reference taking into account the systematics of counts-produced noise effects and choice statistics. The effect of stretching/intensity anti-correlation is found at the average back slopes of bursts with good statistical significance. A stretch factor $/sim 2$ is found between the 150 dimmest bursts with peak flux $less than 0.45$ ph cm$(exp -2)$ s$(exp -1)$, and the 147 brightest bursts with peak flux $greater than 4.1$ ph cm$(exp -2}$ s$(exp -1)$. On the other hand, only a marginally significant stretching effect $V(sub ec) 1.4$ is seen at the average rise fronts.
Document ID
19990099287
Acquisition Source
Marshall Space Flight Center
Document Type
Reprint (Version printed in journal)
Authors
Mitrofanov, Igor G.
(NASA Marshall Space Flight Center Huntsville, AL United States)
Anfimov, Dimitrij S.
(NASA Marshall Space Flight Center Huntsville, AL United States)
Litvak, Maxim L.
(NASA Marshall Space Flight Center Huntsville, AL United States)
Briggs, Michael S.
(NASA Marshall Space Flight Center Huntsville, AL United States)
Paciesas, W. S.
(NASA Marshall Space Flight Center Huntsville, AL United States)
Pendleton, Geoffrey N.
(NASA Marshall Space Flight Center Huntsville, AL United States)
Preece, Robert D.
(NASA Marshall Space Flight Center Huntsville, AL United States)
Date Acquired
August 19, 2013
Publication Date
January 1, 1998
Subject Category
Space Radiation
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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