Spectral Evolution of GRB Pulses

Details Spectral Evolution of GRB Pulses Spectral Evolution of GRB Pulses

Sep 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995ap%26ss.231..177k&link_type=abstract

Astrophysics and Space Science, Volume 231, Issue 1-2, pp. 177-180

Astronomy and Astrophysics

Astrophysics

13

Gamma-Rays: Bursts, Data Analysis

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 byF E∝E 1.7 p ). We compare peak energy fluxes, peak hardnesses, and pulse durations and separation 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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