On the very-high-energy gamma-ray flux from the galaxy mrk 421 in 2004

The galaxy Mrk 421 was observed with the GT-48 Cherenkov telescope in 2004. The observations revealed a very-high-energy gamma-ray flux at a confidence level of 4.8 σ. Comparison with the constant gamma-ray flux from the Crab Nebula yielded an estimate of the total flux from Mrk 421, 1.7 ± 0.7 Crab...

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Bibliographic Details
Published in:Astronomy letters 2005-09, Vol.31 (9), p.575-578
Main Authors: FIDELIS, V. V, STEPANIAN, A. A, ELISEEV, V. S, ZHOGOLEV, N. A, NEKHAI, E. M, NESHPOR, Yu. I, SKIRUTA, Z. N
Format: Article
Language:English
Subjects:
Astrophysics
Fluctuations
Gamma rays
Nebulae
Stars & galaxies
Telescopes
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Summary:The galaxy Mrk 421 was observed with the GT-48 Cherenkov telescope in 2004. The observations revealed a very-high-energy gamma-ray flux at a confidence level of 4.8 σ. Comparison with the constant gamma-ray flux from the Crab Nebula yielded an estimate of the total flux from Mrk 421, 1.7 ± 0.7 Crab (E ≥ 1 TeV).[PUBLICATION ABSTRACT]
ISSN:1063-7737
1562-6873
DOI:10.1134/1.2039967