Aperiodic properties of Gamma-Ray Bursts

Details Aperiodic properties of Gamma-Ray Bursts Aperiodic properties of Gamma-Ray Bursts

Sep 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aipc..526..220p&link_type=abstract

GAMMA-RAY BURSTS: 5th Huntsville Symposium. AIP Conference Proceedings, Volume 526, pp. 220-224 (2000).

Physics

3

Gamma-Ray Sources, Gamma-Ray Bursts, Cosmic Rays, Observational Cosmology

Scientific paper

Aperiodic properties of Gamma-Ray Burst (GRB) time profiles were investigated on the basis of BATSE catalog. Power density spectra (PDS) obtained with the FFT procedure for each GRB were averaged for all GRBs. We analyze the continuum and high-frequency part of the spectrum. The spectra averaged for different brightness groups of GRBs are found to be different. The hardness of PDS monotonously changes with brightness of bursts, which may point to the absence of ``standard candle'' model of Gamma-Ray Bursts. .

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