# Discovery of the Binary Pulsar PSR B1259-63 in Very-High-Energy Gamma Rays around Periastron with H.E.S.S

@article{Aharonian2005DiscoveryOT,
title={Discovery of the Binary Pulsar PSR B1259-63 in Very-High-Energy Gamma Rays around Periastron with H.E.S.S},
author={Felix Aharonian and et al.},
journal={Astronomy and Astrophysics},
year={2005},
volume={442},
pages={1-10}
}
• Published 13 June 2005
• Physics, Computer Science
• Astronomy and Astrophysics
We report the discovery of very-high-energy (VHE) γ-ray emission of the binary system PSR B1259−63/SS 2883 of a radio pulsar orbiting a massive, luminous Be star in a highly eccentric orbit. The observations around the 2004 periastron passage of the pulsar were performed with the four 13 m Cherenkov telescopes of the HESS experiment, recently installed in Namibia and in full operation since December 2003. Between February and June 2004, a γ-ray signal from the binary system was detected with a…
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