A. ABDO, A.; ACKERMANN, Markus; AJELLO, Marco; AXELSSON, Magnus; BALDINI, Luca; BALLET, Jean; BARBIELLINI, Guido; BASTIERI, D.; BAUGHMAN, B. M.; BECHTOL, K.; BELLAZZINI, R.; BERENJI, B.; BLANDFORD, R. D.; BLOOM, E. D.; BONAMENTE, E.; BORGLAND, A. W.; BREZ, A.; BRIGIDA, M.; BRUEL, Pascal; BURNETT, T. H.; BUSON, S.; CALIANDRO, G. A.; CARAVEO, P. A.; CASANDJIAN, J. M.; CECCHI, C.; CELIK, O.; CHATY, S.; CHEUNG, C.C.; CHIANG, J.; CIPRINI, S.; CLAUS, R.; COHEN-TANUGI, J.; COMINSKI, L.R.; CONRAD, J.; CORBEL, S.; CORBET, R.; DERMER, C. D.; DE PALMA, F.; DIGEL, S. W.; DO COUTO E SILVA, E.; DRELL, P.S.; DUBOIS, R.; DUBUS, G.; DUMORA, D.; FARNIER, C.; FAVUZZI, C.; FEGAN, S.J.; FOCKE, W. B.; FORTIN, P.; FRAILIS, M.; FUSCO, P.; GARGANO, F.; GEHRELS, N.; GERMANI, S.; GIAVITTO, G.; GIEBELS, B.; GIGLIETTO, N.; GIORDANO, F.; GLANZMAN, T.; GODFREY, G.; GRENIER, I. A.; GRONDIN, M.-H.; GROVE, J. E.; GUILLEMOT, L.; GUIRIEC, S.; HANABATA, Y.; HARDING, A. K.; HAYASHIDA, M.; HAYS, E.; HILL, A.B.; HJALMARSDOTTER, L.; HORAN, D.; HUGHES, R. E.; JACKSON, M.S.; JÓHANNESSON, G.; JOHNSON, A. S.; JOHNSON, T. J.; JOHNSON, W. N.; KAMAE, T.; KATAGIRI, H.; KAWAI, N.; KERR, M.; KNÖDLSEDER, Jürgen; KOCIAN, M. L.; KOERDING, E.; KUSS, M.; LANDE, J.; LATRONICO, L.; LEMOINE-GOUMARD, M.; LONGO, F.; LOPARCO, F.; LOTT, B.; LOVELLETTE, M.N.; LUBRANO, P.; MADEJSKI, G. M.; MAKEEV, A.; MARCHAND, L.; MARELLI, M.; MAX-MOERBECK, W.; MAZZIOTTA, M.N.; MCCOLL, N.; MCENERY, J.E.; MEURER, C.; MICHELSON, P.F.; MIGLIARI, S.; MITTHUMSIRI, W.; MIZUNO, T.; MONTE, C.; MONZANI, M.E.; MORSELLI, A.; MOSKALENKO, I.V.; MURGIA, S.; NOLAN, P.L.; NORRIS, J.P.; NUSS, E.; OHSUGI, T.; OMODEI, N.; ONG, R.A.; ORMES, J.F.; PANEQUE, D.; PARENT, D.; PELASSA, V.; PEPE, M.; PESCE-ROLLINS, M.; PIRON, F.; POOLEY, G.; PORTER, T.A.; POTTSCHMIDT, K.; RAINÒ, S.; RANDO, R.; RAY, P.S.; RAZZANO, M.; REA, N.; READHEAD, A.; REIMER, A.; REIMER, O.; RICHARDS, J.L.; ROCHESTER, L. S.; RODRIGUEZ, J.; RODRIGUEZ, A. Y.; ROMANI, R.W.; RYDE, F.; SADROSINSKI, H.F-W.; SANDER, A.; SAZ PARKINSON, P.M.; SGRO, G.; SISKIND, E. J.; SMITH, D.A.; SMITH, P.D.; SPINELLI, P.; STARCK, Jean-Luc; STEVENSON, M.; STRICKMAN, M.S.; TAKAHASHI, H.; TANAKA, Y.; THAYER, J. B.; THOMPSON, D.J.; TIBALDO, L.; TOMSICK, J.A.; TORRES, D. F.; TOSTI, G.; TRAMACERE, A.; UCHIYAMA, Y.; USHER, T.L.; VASILEIOU, V.; VILCHEZ, N.; VITALE, V.; WAITE, A. P.; WANG, P.; WILMS, J.; WINER, B. L.; WOOD, K. S.; YLINEN, T.; ZIEGLER, M.

doi:10.1126/science.1182174

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Science. 2009-12-11, vol. 326, p. 1512-1516

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Microquasars are accreting black holes or neutron stars in binary systems with associated relativistic jets. Despite their frequent outburst activity, they have never been unambiguously detected emitting high-energy gamma rays. The Fermi Large Area Telescope (LAT) has detected a variable high-energy source coinciding with the position of the x-ray binary and microquasar Cygnus X-3. Its identification with Cygnus X-3 is secured by the detection of its orbital period in gamma rays, as well as the correlation of the LAT flux with radio emission from the relativistic jets of Cygnus X-3. The gamma-ray emission probably originates from within the binary system, opening new areas in which to study the formation of relativistic jets.< Réduire

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Modulated High-Energy Gamma-Ray Emission from the Microquasar Cygnus X-3

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