A statistical study of energy spectra of cosmic gamma-ray bursts detected by the APEX experiment

Details A statistical study of energy spectra of cosmic gamma-ray bursts detected by the APEX experiment A statistical study of energy spectra of cosmic gamma-ray bursts detected by the APEX experiment

Sep 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991aipc..265..163m&link_type=abstract

Gamma-ray bursts. AIP Conference Proceedings, Volume 265, pp. 163-168 (1991).

Other

Gamma-Ray Sources, Gamma-Ray Bursts, Observation And Data Reduction Techniques, Computer Modeling And Simulation

Scientific paper

Results are presented of a statistical study of spectra of cosmic gamma-ray bursts detected in the Soviet-French experiment APEX on the Phobos-2 spacecraft. Intense events with V/Vmax<0.3 are shown to have harder spectra than the weak ones with V/Vmax>~0.3. The time histories of intense and weak events are also different: the rise fronts of strong bursts are longer and correspond to more energetic photons than for the weaker ones. On the other hand, both for strong and weak events the mean durations and energy spectra of back slopes are similar. The astrophysical consequences of those results are considered for models of sources of gamma-ray bursts.

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