Variations in the flux from the blazar 1ES 2344+514 in 2003 and their correlation in the very-high-energy Gamma-ray and X-ray ranges

We consider the very-high-energy (VHE) gamma-ray observations of the blazar 1ES 2344+514 in 2003 in comparison with the data of its ASM/RXTE X-ray monitoring. A VHE gamma-ray flux was detected from the observed object at a confidence level of [asymptotically =] 5σ and it was estimated to be 1.85 ± 0...

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Bibliographic Details
Published in:Astronomy letters 2006-11, Vol.32 (11), p.734-738
Main Author: FIDELIS, V. V
Format: Article
Language:English
Subjects:
Astronomy
Earth, ocean, space
Energy
Exact sciences and technology
Gamma rays
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Summary:We consider the very-high-energy (VHE) gamma-ray observations of the blazar 1ES 2344+514 in 2003 in comparison with the data of its ASM/RXTE X-ray monitoring. A VHE gamma-ray flux was detected from the observed object at a confidence level of [asymptotically =] 5σ and it was estimated to be 1.85 ± 0.68 Crab (E ≥ 1 TeV). The observations revealed a VHE gamma-ray burst from the object that occurred in September 2003 and that lasted for no more than 4 days. The burst was also confirmed in the X-ray (2-12 keV) energy range. Analysis of the observational data showed evidence of a correlation between the fluxes in the two energy ranges and invoking the previous observations of 1ES 2344+514 in 2002 allowed this correlation to be refined in a wide range of fluxes.[PUBLICATION ABSTRACT]
ISSN:1063-7737
1562-6873
DOI:10.1134/S106377370611003X