The spectral evolution of gamma-ray burst pulses

Details The spectral evolution of gamma-ray burst pulses The spectral evolution of gamma-ray burst pulses

Aug 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996aipc..384..192k&link_type=abstract

Gamma-ray bursts: 3rd Huntsville symposium. AIP Conference Proceedings, Volume 384, pp. 192-196 (1996).

Physics

Gamma-Ray Sources, Gamma-Ray Bursts, Spectroscopy And Spectrophotometry

Scientific paper

We perform time-resolved spectral analysis on 26 multi-pulse BATSE GRBs. By fixing two parameters of a 3-parameter fit to the time-integrated values, we achieve a robust spectral hardness measure and physical fluxes. 28 pulse decay phases in 15 GRBs show significant correlation between peak power energy and instantaneous energy flux (characterized by FE~Ep1.7). We compare peak energy fluxes, peak hardnesses, and pulse durations and separations for pulse pairs in our sample. There may be some indication of a ``recovery timescale'' for the bursters' energy source or environment.

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