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FERMI LAT DISCOVERY...
FERMI LAT DISCOVERY OF EXTENDED GAMMA-RAY EMISSION IN THE DIRECTION OF SUPERNOVA REMNANT W51C
- Article/chapterEnglish2009
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LIBRIS-ID:oai:DiVA.org:hik-2827
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https://urn.kb.se/resolve?urn=urn:nbn:se:hik:diva-2827URI
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https://doi.org/10.1088/0004-637X/706/1/L1DOI
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-31958URI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
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QC 20110330
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The discovery of bright gamma-ray emission coincident with supernova remnant (SNR) W51C is reported using the Large Area Telescope (LAT) onboard the Fermi Gamma-ray Space Telescope. W51C is a middle-aged remnant (similar to 10(4) yr) with intense radio synchrotron emission in its shell and known to be interacting with a molecular cloud. The gamma-ray emission is spatially extended, broadly consistent with the radio and X-ray extent of SNR W51C. The energy spectrum in the 0.2-50 GeV band exhibits steepening toward high energies. The luminosity is greater than 1 x 10(36) erg s(-1) given the distance constraint of D > 5.5 kpc, which makes this object one of the most luminous gamma-ray sources in our Galaxy. The observed gamma-rays can be explained reasonably by a combination of efficient acceleration of nuclear cosmic rays at supernova shocks and shock-cloud interactions. The decay of neutral pi mesons produced in hadronic collisions provides a plausible explanation for the gamma-ray emission. The product of the average gas density and the total energy content of the accelerated protons amounts to (n) over bar W-H(p) similar or equal to 5 x 10(51) (D/6 kpc)(2) erg cm(-3). Electron density constraints from the radio and X-ray bands render it difficult to explain the LAT signal as due to inverse Compton scattering. The Fermi LAT source coincident with SNR W51C sheds new light on the origin of Galactic cosmic rays.
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Ackermann, M.
(author)
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Ajello, M.
(author)
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Baldini, L.
(author)
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Ballet, J.
(author)
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Barbiellini, G.
(author)
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Baring, M. G.
(author)
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Bastieri, D.
(author)
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Baughman, B. M.
(author)
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Bechtol, K.
(author)
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Bellazzini, R.
(author)
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Berenji, B.
(author)
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Blandford, R. D.
(author)
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Bloom, E. D.
(author)
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Bonamente, E.
(author)
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Borgland, A. W.
(author)
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Bouvier, A.
(author)
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Bregeon, J.
(author)
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Brez, A.
(author)
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Brigida, M.
(author)
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Bruel, P.
(author)
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Burnett, T. H.
(author)
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Buson, S.
(author)
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Caliandro, G. A.
(author)
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Cameron, R. A.
(author)
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Caraveo, P. A.
(author)
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Jackson, MirandaKTH,Partikel- och astropartikelfysik(Swepub:kth)u1k3ikhm
(author)
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Cecchi, C.
(author)
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Celik, O.
(author)
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Chekhtman, A.
(author)
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Cheung, C. C.
(author)
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Chiang, J.
(author)
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Ciprini, S.
(author)
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Claus, R.
(author)
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Cohen-Tanugi, J.
(author)
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Cominsky, L. R.
(author)
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Conrad, J.
(author)
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Cutini, S.
(author)
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Dermer, C. D.
(author)
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de Angelis, A.
(author)
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de Palma, F.
(author)
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Digel, S. W.
(author)
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Dormody, M.
(author)
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Silva, E. D. E.
(author)
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Drell, P. S.
(author)
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Dubois, R.
(author)
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Dumora, D.
(author)
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Farnier, C.
(author)
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Favuzzi, C.
(author)
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Fegan, S. J.
(author)
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Focke, W. B.
(author)
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Fortin, P.
(author)
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Frailis, M.
(author)
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Fukazawa, Y.
(author)
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Funk, S.
(author)
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Fusco, P.
(author)
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Gargano, F.
(author)
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Gasparrini, D.
(author)
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Gehrels, N.
(author)
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Germani, S.
(author)
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Giavitto, G.
(author)
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Giebels, B.
(author)
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Giglietto, N.
(author)
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Giordano, F.
(author)
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Glanzman, T.
(author)
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Godfrey, G.
(author)
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Grenier, I. A.
(author)
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Grondin, M. H.
(author)
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Grove, J. E.
(author)
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Guillemot, L.
(author)
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Guiriec, S.
(author)
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Hanabata, Y.
(author)
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Harding, A. K.
(author)
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Hayashida, M.
(author)
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Hays, E.
(author)
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Hughes, R. E.
(author)
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Jackson, M. S.
(author)
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Johannesson, G.
(author)
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Johnson, A. S.
(author)
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Johnson, T. J.
(author)
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Johnson, W. N.
(author)
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Kamae, T.
(author)
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Katagiri, H.
(author)
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Kataoka, J.
(author)
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Katsuta, J.
(author)
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Kawai, N.
(author)
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Kerr, M.
(author)
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Knodlseder, J.
(author)
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Kocian, M. L.
(author)
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Kuss, M.
(author)
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Lande, J.
(author)
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Latronico, L.
(author)
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Lemoine-Goumard, M.
(author)
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Longo, F.
(author)
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Loparco, F.
(author)
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Lott, B.
(author)
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Lovellette, M. N.
(author)
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Lubrano, P.
(author)
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Makeev, A.
(author)
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Mazziotta, M. N.
(author)
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McEnery, J. E.
(author)
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Meurer, C.
(author)
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Michelson, P. F.
(author)
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Mitthumsiri, W.
(author)
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Mizuno, T.
(author)
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Moiseev, A. A.
(author)
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Monte, C.
(author)
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Monzani, M. E.
(author)
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Morselli, A.
(author)
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Moskalenko, I. V.
(author)
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Murgia, S.
(author)
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Nakamori, T.
(author)
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Nolan, P. L.
(author)
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Norris, J. P.
(author)
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Nuss, E.
(author)
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Ohsugi, T.
(author)
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Okumura, A.
(author)
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Omodei, N.
(author)
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Orlando, E.
(author)
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Ormes, J. F.
(author)
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Paneque, D.
(author)
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Parent, D.
(author)
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Pelassa, V.
(author)
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Pepe, M.
(author)
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Pesce-Rollins, M.
(author)
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Piron, F.
(author)
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Porter, T. A.
(author)
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Raino, S.
(author)
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Rando, R.
(author)
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Razzano, M.
(author)
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Reimer, A.
(author)
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Reimer, O.
(author)
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Reposeur, T.
(author)
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Ritz, S.
(author)
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Rodriguez, A. Y.
(author)
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Romani, R. W.
(author)
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Roth, M.
(author)
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Ryde, FelixKTH,Partikel- och astropartikelfysik(Swepub:kth)u1tlyg6w
(author)
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Sadrozinski, H. F. W.
(author)
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Sanchez, D.
(author)
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Sander, A.
(author)
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Parkinson, P. M. S.
(author)
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Scargle, J. D.
(author)
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Schalk, T. L.
(author)
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Sgro, C.
(author)
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Siskind, E. J.
(author)
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Smith, D. A.
(author)
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Smith, P. D.
(author)
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Spandre, G.
(author)
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Spinelli, P.
(author)
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Strickman, M. S.
(author)
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Suson, D. J.
(author)
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Tajima, H.
(author)
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Takahashi, H.
(author)
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Ylinen, T.Högskolan i Kalmar,Naturvetenskapliga institutionen(Swepub:lnu)eylto
(author)
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Tanaka, T.
(author)
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Thayer, J. B.
(author)
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Thayer, J. G.
(author)
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Thompson, D. J.
(author)
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Tibaldo, L.
(author)
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Tibolla, O.
(author)
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Torres, D. F.
(author)
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Tosti, G.
(author)
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Tramacere, A.
(author)
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Uchiyama, Y.
(author)
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Usher, T. L.
(author)
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Vasileiou, V.
(author)
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Venter, C.
(author)
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Vilchez, N.
(author)
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Vitale, V.
(author)
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Waite, A. P.
(author)
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Wang, P.
(author)
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Winer, B. L.
(author)
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Wood, K. S.
(author)
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Yamazaki, R.
(author)
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Ylinen, T.KTH,Högskolan i Kalmar,Naturvetenskapliga institutionen,Partikel- och astropartikelfysik(Swepub:kth)u1vmovqg
(author)
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Ziegler, M.
(author)
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KTHPartikel- och astropartikelfysik
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In:Astrophysical Journal Letters706:1, s. L1-L62041-8205
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- By the author/editor
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Abdo, A. A.
-
Ackermann, M.
-
Ajello, M.
-
Baldini, L.
-
Ballet, J.
-
Barbiellini, G.
-
show more...
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Baring, M. G.
-
Bastieri, D.
-
Baughman, B. M.
-
Bechtol, K.
-
Bellazzini, R.
-
Berenji, B.
-
Blandford, R. D.
-
Bloom, E. D.
-
Bonamente, E.
-
Borgland, A. W.
-
Bouvier, A.
-
Bregeon, J.
-
Brez, A.
-
Brigida, M.
-
Bruel, P.
-
Burnett, T. H.
-
Buson, S.
-
Caliandro, G. A.
-
Cameron, R. A.
-
Caraveo, P. A.
-
Jackson, Miranda
-
Cecchi, C.
-
Celik, O.
-
Chekhtman, A.
-
Cheung, C. C.
-
Chiang, J.
-
Ciprini, S.
-
Claus, R.
-
Cohen-Tanugi, J.
-
Cominsky, L. R.
-
Conrad, J.
-
Cutini, S.
-
Dermer, C. D.
-
de Angelis, A.
-
de Palma, F.
-
Digel, S. W.
-
Dormody, M.
-
Silva, E. D. E.
-
Drell, P. S.
-
Dubois, R.
-
Dumora, D.
-
Farnier, C.
-
Favuzzi, C.
-
Fegan, S. J.
-
Focke, W. B.
-
Fortin, P.
-
Frailis, M.
-
Fukazawa, Y.
-
Funk, S.
-
Fusco, P.
-
Gargano, F.
-
Gasparrini, D.
-
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.
-
Hughes, R. E.
-
Jackson, M. S.
-
Johannesson, G.
-
Johnson, A. S.
-
Johnson, T. J.
-
Johnson, W. N.
-
Kamae, T.
-
Katagiri, H.
-
Kataoka, J.
-
Katsuta, J.
-
Kawai, N.
-
Kerr, M.
-
Knodlseder, J.
-
Kocian, M. L.
-
Kuss, M.
-
Lande, J.
-
Latronico, L.
-
Lemoine-Goumard, ...
-
Longo, F.
-
Loparco, F.
-
Lott, B.
-
Lovellette, M. N ...
-
Lubrano, P.
-
Makeev, A.
-
Mazziotta, M. N.
-
McEnery, J. E.
-
Meurer, C.
-
Michelson, P. F.
-
Mitthumsiri, W.
-
Mizuno, T.
-
Moiseev, A. A.
-
Monte, C.
-
Monzani, M. E.
-
Morselli, A.
-
Moskalenko, I. V ...
-
Murgia, S.
-
Nakamori, T.
-
Nolan, P. L.
-
Norris, J. P.
-
Nuss, E.
-
Ohsugi, T.
-
Okumura, A.
-
Omodei, N.
-
Orlando, E.
-
Ormes, J. F.
-
Paneque, D.
-
Parent, D.
-
Pelassa, V.
-
Pepe, M.
-
Pesce-Rollins, M ...
-
Piron, F.
-
Porter, T. A.
-
Raino, S.
-
Rando, R.
-
Razzano, M.
-
Reimer, A.
-
Reimer, O.
-
Reposeur, T.
-
Ritz, S.
-
Rodriguez, A. Y.
-
Romani, R. W.
-
Roth, M.
-
Ryde, Felix
-
Sadrozinski, H. ...
-
Sanchez, D.
-
Sander, A.
-
Parkinson, P. M. ...
-
Scargle, J. D.
-
Schalk, T. L.
-
Sgro, C.
-
Siskind, E. J.
-
Smith, D. A.
-
Smith, P. D.
-
Spandre, G.
-
Spinelli, P.
-
Strickman, M. S.
-
Suson, D. J.
-
Tajima, H.
-
Takahashi, H.
-
Ylinen, T.
-
Tanaka, T.
-
Thayer, J. B.
-
Thayer, J. G.
-
Thompson, D. J.
-
Tibaldo, L.
-
Tibolla, O.
-
Torres, D. F.
-
Tosti, G.
-
Tramacere, A.
-
Uchiyama, Y.
-
Usher, T. L.
-
Vasileiou, V.
-
Venter, C.
-
Vilchez, N.
-
Vitale, V.
-
Waite, A. P.
-
Wang, P.
-
Winer, B. L.
-
Wood, K. S.
-
Yamazaki, R.
-
Ziegler, M.
-
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