TeV gamma-ray emission from binaries: 2129+47XR and Cygnus X-3

✍ Scribed by V.G. Sinitsyna; T.P. Arsov; A.Y. Alaverdian; S.S. Borisov; R.M. Mirzafatikhov; F.I. Musin; S.I. Nikolsky; V.Y. Sinitsyna; G.F. Platonov; J.-N. Capdevielle

• Publisher: Elsevier Science
• Year: 2008
• Tongue: English
• Weight: 679 KB
• Volume: 175-176
• Category: Article
• ISSN: 0920-5632
• DOI: 10.1016/j.nuclphysbps.2007.11.067

✦ Synopsis

The new galactic gamma-source (neutron star) 2129+47XR is detected at energy > 0.8 TeV with flux (0.19 ± 0.09) × 10 -12 cm -2 s -1 and indices of the integral spectra are kγ = -1.12 ± 0.06, kON = -1.28 ± 0.07 and k Of f = -1.73 ± 0.07. The results of ten-year observation of galactic source Cygnus X-3 by SHALON mirror Cherenkov telescope are discussed. The gamma -quantum spectra and images of the sources are presented. The Cygnus X-3 binary, known for more than 20 years as a source with variable intensity have been regularly observed since a 1995. The the increase of gamma-quantum flux was observed in 1997 and 2003 years.