Teraelectronvolt observations of the BL Lac object in 2004

Author: Fidelis V.   Eliseev V.   Jogolev N.   Nehay E.   Neshpor Yu.   Skiruta Z.  

Publisher: Taylor & Francis Ltd

ISSN: 1055-6796

Source: Astronomical and Astrophysical Transactions, Vol.24, Iss.2, 2005-04, pp. : 121-126

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Abstract

The results of observations of the BL Lac object at the Scientific Research Institute, Crimean Astrophysical Observatory, with the Cerenkov telescope GT-48 in September and November 2004 are presented. The γ-ray emission from object was detected at the 5&sgr; level. The flux from BL Lac was within the limits of 0.94±0.38 of that of the Crab Nebula ( E ≥1 TeV).