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SF2A-2006: 26ème Semaine de l'Astrophysique Française, Paris : France
Gamma-ray binaries, a new class of very high energy sources
G. Dubus1, 2

There are now three sources of ?-rays with energies >100 GeV that have been identified with binaries in our galaxy: LS 5039, LS I+61 303 and PSR B1259-63. All are composed of a massive star and a compact object, neutron star or black hole. The interaction of the relativistic wind from a young pulsar with the stellar wind of the companion provides a common scenario to explain the emission from these sources. They join plerionic sources as the new stars of the VHE sky currently being uncovered by HESS.
1 :  LLR - Laboratoire Leprince-Ringuet
2 :  IAP - Institut d'Astrophysique de Paris
Physique/Astrophysique/Cosmologie et astrophysique extra-galactique

Planète et Univers/Astrophysique
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