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[45.05] The Internal Luminosity Functions of Short BATSE Gamma-Ray Bursts

A. J. Sprague, T. W. Giblin, J. Hakkila (College of Charleston)

The properties of the Short class of gamma-ray bursts are studied relative to the Internal Luminosity Function (ILF). The ILF is the distribution of luminosity within a gamma-ray burst and is thus an intrinsic burst property. The ILF of most bursts can be described accurately using a power-law index modified by a power-law curvature parameter. A flat power-law index indicates lots of high luminosity emission relative to low luminosity emission, while a steep power-law index indicates a large amount of high luminosity emission relative to low luminosity emission. Correlations between the ILF and other Short burst attributes are studied. This work is funded by NASA grant NRA-98-OSS-03 and NSF grant AST00-98499.

The author(s) of this abstract have provided an email address for comments about the abstract: giblint@cofc.edu

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Bulletin of the American Astronomical Society, 35 #3
© 2003. The American Astronomical Soceity.