Detection of VHE gamma-ray emission from the distant blazar 1ES 1101-232 with H.E.S.S. and broadband characterisation
- Aharonian, F.
- G. Akhperjanian, A.
- Bazer-Bachi, A.R.
- Beilicke, M.
- Benbow, W.
- Berge, D.
- Bernlöhr, K.
- Boisson, C.
- Bolz, O.
- Borrel, V.
- Braun, I.
- Brion, E.
- M. Brown, A.
- Buhler, R.
- Busching, I.
- Boutelier, T.
- Carrigan, S.
- M. Chadwick, P.
- Chounet, L.M.
- Coignet, G.
- Cornils, R.
- Costamante, L.
- Degrange, B.
- J. Dickinson, H.
- Djannati-Ataï, A.
- O'Connor-Drury, L.
- Dubus, G.
- Egberts, K.
- Emmanoulopoulos, D.
- Espigat, P.
- Farnier, C.
- Feinstein, F.
- Ferrero, E.
- Fiasson, A.
- Fontaine, G.
- Funk, S.
- Fuling, M.
- Gallant, Y.A.
- Giebels, B.
- Glicenstein, J.F.
- Glück, B.
- Goret, P.
- Hadjichristidis, C.
- Hauser, D.
- Hauser, M.
- Heinzelmann, G.
- Henri, G.
- Hermann, G.
- A. Hinton, J.
- Hoffmann, A.
- Hofmann, W.
- Holleran, M.
- Hoppe, S.
- Horns, D.
- Jacholkowska, A.
- C. De Jager, O.
- Kendziorra, E.
- Kerschhaggl, M.
- Khelifi, B.
- Komin, N.
- Kosack, K.
- Lamanna, G.
- J. Latham, I.
- Le Gallou, R.
- Lemiere, A.
- Lemoine-Goumard, M.
- Lohse, T.
- Martin, J.M.
- Martineau-Huynh, O.
- Marcowith, A.
- Masterson, C.
- Maurin, G.
- J. L. Mccomb, T.
- Moulin, Emmanuel
- De Naurois, M.
- Nedbal, D.
- J. Nolan, S.
- Noutsos, A.
- Olive, J.P.
- J. Orford, K.
- L. Osborne, J.
- Panter, M.
- Pelletier, G.
- Petrucci, P.O.
- Pita, S.
- Pühlhofer, G.
- Punch, M.
- Ranchon, S.
- C. Raubenheimer, B.
- Raue, M.
- M. Rayner, S.
- Reimer, A.
- Reimer, O.
- Ripken, J.
- Rob, L.
- Rolland, L.
- Rosier-Lees, S.
- Rowell, G.
- V. Sahakian, V.
- Santangelo, A.
- Sauge, L.
- Schlenker, S.
- Schlickeiser, R.
- Schröder, R.
- Schwanke, U.
- Schwarzburg, S.
- Schwemmer, S.
- Shalchi, A.
- Sol, H.
- Spangler, D.
- Spanier, F.
- Steenkamp, R.
- Stegmann, C.
- Superina, G.
- H. Tam, P.
- Tavernet, J.P.
- Terrier, R.
- Tluczykont, M.
- Van Eldik, C.
- Vasileiadis, G.
- Venter, C.
- Vialle, J.P.
- Vincent, P.
- J. Völk, H.
- J. Wagner, S.
- Ward, M.
DOIAbstract
18 Pages, 6 FiguresThe blazar 1ES 1101-232 was observed with the High Energy Stereoscopic System (H.E.S.S.) of Atmospheric Cherenkov Telescopes (ACT) in 2004 and 2005, for a live time of 43 hours. VHE (E > 10^11 eV) gamma-rays were detected for the first time from this object. VHE observations of blazars are used to investigate the inner parts of the blazar jets, and also to study the extragalactic background light (EBL) in the near-infrared band. Observations in 2005 were conducted in a multiwavelength campaign, together with the RXTE satellite and optical observations. In 2004, simultaneous observations with XMM-Newton were obtained. 1ES 1101-232 was detected with H.E.S.S. with an excess of 722 photons, at a significance of 12 sigma. The ...
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