Observations of very-high-energy gamma rays from Mrk421 at the crimean astrophysical observatory in 2002

Observations of the Markarian galaxy Mrk421 were carried out in 2002 with the Cherenkov gamma ray telescope of the Crimean Astrophysical Observatory. Analysis of the data indicated an excess of very-high-energy photons in the direction of Mrk421. The mean flux over the observing period was 1.55 Crab...

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Bibliographic Details
Published in:Astronomy reports 2005, Vol.49 (1), p.1-4
Main Author: FIDELIS, V. V
Format: Article
Language:English
Subjects:
Astrophysics
Gamma rays
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Summary:Observations of the Markarian galaxy Mrk421 were carried out in 2002 with the Cherenkov gamma ray telescope of the Crimean Astrophysical Observatory. Analysis of the data indicated an excess of very-high-energy photons in the direction of Mrk421. The mean flux over the observing period was 1.55 Crab (E > 1 TeV), with a statistical confidence level of 4.6 sigma . A flare with a flux of approximately 2.4 Crab was detected during the observing period.
ISSN:1063-7729
1562-6881
DOI:10.1134/1.1850200