Studying the mechanism of gamma quantum radiation in cosmic gamma-ray bursts using data from the Swift, CGRO, and FERMI spacecraft

Light curves of 115 bright gamma-ray bursts with known cosmological distances z from sources detected by the BAT telescope on board the Swift spacecraft in four energy channels are analyzed. An averaged curve describing the shift of the light curves is obtained that depends on the energy of the chan...

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Bibliographic Details
Published in:Bulletin of the Russian Academy of Sciences. Physics 2017-04, Vol.81 (4), p.416-418
Main Authors: Dranevich, V. A., Gartmanov, V. N.
Format: Article
Language:English
Subjects:
Hadrons
Heavy Ions
Nuclear Physics
Physics
Physics and Astronomy
Proceedings of the 34th National Conference on Cosmic Rays
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Summary:Light curves of 115 bright gamma-ray bursts with known cosmological distances z from sources detected by the BAT telescope on board the Swift spacecraft in four energy channels are analyzed. An averaged curve describing the shift of the light curves is obtained that depends on the energy of the channels in the coordinate system associated with the source. The results are compared to similar detailed curves for individual gamma-ray bursts detected in a wider range of energies by the BATSE (CGRO) and GBM (FERMI) telescopes. The divergence of curves in the region of low energies for some gamma ray bursts indicates the existence of an additional radiation source.
ISSN:1062-8738
1934-9432
DOI:10.3103/S1062873817040141