Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/37086
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Type: Journal article
Title: Fast Variability of Tera-Electron Volt Rays from the Radio Galaxy M87
Author: Aharonian, F.
Akhperjanian, A.
Bazer-Bachi, A.
Beilicke, M.
Benbow, W.
Berge, D.
Bernlohr, K.
Boisson, C.
Bolz, O.
Borrel, V.
Braun, I.
Brown, A.
Buhler, R.
Busching, I.
Carrigan, S.
Chadwick, P.
Chounet, L.
Coignet, G.
Cornils, R.
Costamante, L.
et al.
Citation: Science, 2006; 314(5804):1424-1427
Publisher: Amer Assoc Advancement Science
Issue Date: 2006
ISSN: 0036-8075
1095-9203
Statement of
Responsibility: 
F. Aharonian, A.G. Akhperjanian, A.R. Bazer-Bachi, M. Beilicke, W. Benbow, D. Berge, K. Bernlohr, C. Boisson, O. Bolz, V. Borrel, I. Braun, A.M. Brown, R. Buhler, I. Busching, S. Carrigan, P.M. Chadwick, L.-M. Chounet, G. Coignet, R. Cornils, L. Costamante, B. Degrange, H.J. Dickinson, A. Djannati-Atai, L. O'C. Drury, G. Dubus, K. Egberts, D. Emmanoulopoulos, P. Espigat, F. Feinstein, E. Ferrero, A. Fiasson, G. Fontaine, Seb. Funk, S. Funk, M. Fussling, Y.A. Gallant, B. Giebels, J.F. Glicenstein, P. Goret, C. Hadjichristidis, D. Hauser, M. Hauser, G. Heinzelmann, G. Henri, G. Hermann, J.A. Hinton, A. Hoffmann, W. Hofmann, M. Holleran, S. Hoppe, D. Horns, A. Jacholkowska, O.C. de Jager, E. Kendziorra, M. Kerschhaggl, B. Khelifi, Nu. Komin, A. Konopelko, K. Kosack, G. Lamanna, I.J. Latham, R. Le Gallou, A. Lemiere, M. Lemoine-Goumard, J.-P. Lenain, T. Lohse, J.M. Martin, O. Martineau-Huynh, A. Marcowith, C. Masterson, G. Maurin, T.J.L. McComb, E. Moulin, M. de Naurois, D. Nedbal, S.J. Nolan, A. Noutsos, K.J. Orford, J.L. Osborne, M. Ouchrif, M. Panter, Pelletier G., S. Pita, G. Puhlhofer, M. Punch, S. Ranchon, B.C. Raubenheimer, M. Raue, S.M. Rayner, A. Reimer, J. Ripken, L. Rob, L. Rolland, S. Rosier-Lees, G. Rowell, V. Sahakian, A. Santangelo, L. Sauge, S. Schlenker, R. Schlickeiser, R. Schroder, U. Schwanke, S. Schwarzburg, S. Schwemmer, A. Shalchi, H. Sol, D. Spangler, F. Spanier, R. Steenkamp, C. Stegmann, G. Superina, P.H. Tam, J.-P. Tavernet, R. Terrier, M. Tluczykont, C. van Eldik, G. Vasileiadis, C. Venter, J.P. Vialle, P. Vincent, H.J. Volk, S.J. Wagner and M. Ward.
Abstract: The detection of fast variations of the tera-electron volt (TeV) (10(12) eV) gamma-ray flux, on time scales of days, from the nearby radio galaxy M87 is reported. These variations are about 10 times as fast as those observed in any other wave band and imply a very compact emission region with a dimension similar to the Schwarzschild radius of the central black hole. We thus can exclude several other sites and processes of the gamma-ray production. The observations confirm that TeV gamma rays are emitted by extragalactic sources other than blazars, where jets are not relativistically beamed toward the observer.
RMID: 0020065866
DOI: 10.1126/science.1134408
Published version: http://www.sciencemag.org/cgi/content/abstract/314/5804/1424
Appears in Collections:Physics publications

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