Cen X-3
[References]
Durham: Chadwick, P.M. et al., Astrophysical Journal v.503, p.391 (1998); Astronomy and Astrophysics, 364, 165-169 (2000)
H.E.S.S.: Hugh Dickinson et al., Proc. ICRC2007 / arXiv: 0710.4057 [astro-ph]