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Title: Discovery of very-high-energy gamma-ray emission from the vicinity of PSR J1913+1011 with HESS
Authors: Aharonian, F.
Akhperjanian, A. G.
de Almeida UB
Bazer-Bachi, A. R.
Behera, B.
Beilicke, M.
Benbow, W.
Bernloehr, K.
Boisson, C.
Bolz, O.
Borrel, V.
Hauser, M.
Hoppe, S.
Heinzelmann, G.
Jacholkowska, A.
de Jager OC
Jung, I.
Katarzynski, K.
Kendziorra, E.
Puehlhofer, G.
Pelletier, G.
Panter, M.
Kerschhaggl, M.
Khelifi, B.
Keogh, D.
Komin, N.
Kosack, K.
Lamanna, G.
Latham, I. J.
Lemiere, A.
Lemoine-Goumard, M.
Lenain, J. -. P.
Raue, M.
Petrucci, P. -. O.
Punch, M.
Lohse, T.
Martin, J. M.
Martineau-Huynh, O.
Marcowith, A.
Masterson, C.
Maurin, D.
Maurin, G.
McComb, T. J. L.
Pedaletti, G.
Moderski, R.
Pita, S.
Moulin, E.
Raubenheimer, B. C.
de Naurois M
Nedbal, D.
Nolan, S. J.
Ohm, S.
Olive, J. -. P.
Wilhelmi, E. D. O.
Reimer, O.
Orford, K. J.
Osborne, J. L.
Rayner, S. M.
Ostrowski, M.
Renaud, M.
Ripken, J.
Rob, L.
Rolland, L.
Braun, I.
Ward, M.
Volpe, F.
Rosier-Lees, S.
Rowell, G.
Rudak, B.
Ruppel, J.
Sahakian, V.
Santangelo, A.
Schlickeiser, R.
Schoeck, F.
Schroeder, R.
Schwanke, U.
Buehler, R.
Zdziarski, A. A.
Brion, E.
Schwarzburg, S.
Schwemmer, S.
Shalchi, A.
Sol, H.
Spangler, D.
Stawarz, L.
Steenkamp, R.
Stegmann, C.
Wagner, S. J.
Superina, G.
Zech, A.
Tam, P. H.
Brown, A. M.
Tavernet, J. -. P.
Terrier, R.
van Eldik C
Vasileiadis, G.
Venter, C.
Vialle, J. P.
Buesching, I.
Vincent, P.
Vivier, M.
Bulik, T.
Voelk, H. J.
Boutelier, T.
Carrigan, S.
Chadwick, P. M.
Chounet, L. -. M.
Clapson, A. C.
Hoffmann, A.
Henri, G.
Coignet, G.
Cornils, R.
Costamante, L.
Dalton, M.
Degrange, B.
Dickinson, H. J.
Djannati-Atai, A.
Domainko, W.
Drury, L. O.
Dubois, F.
Hermann, G.
Hofmann, W.
Dubus, G.
Dyks, J.
Egberts, K.
Emmanoulopoulos, D.
Espigat, P.
Farnier, C.
Feinstein, F.
Fiasson, A.
Foerster, A.
Hinton, J. A.
Fontaine, G.
Holleran, M.
Funk, S.
Fuessling, M.
Gallant, Y. A.
Giebels, B.
Glicenstein, J. F.
Glueck, B.
Goret, P.
Hadjichristidis, C.
Horns, D.
Hauser, D.
First Published: Jun-2008
Publisher: EDP Sciences for European Southern Observatory (ESO)
Citation: Astronomy & Astrophysics, 2008, 484 (2), pp. 435-440
Abstract: The HESS experiment, an array of four Imaging Atmospheric Cherenkov Telescopes with high sensitivity and large field-of-view, has been used to search for emitters of very-high-energy (VHE, >100 GeV) $\gamma$-rays along the Galactic plane, covering the region 30° $<\, l\, <$ 60°, 280° $<\, l\, <$ 330°, and -3° $<\, b\, <$ 3°. In this continuation of the HESS Galactic Plane Scan, a new extended VHE $\gamma$-ray source was discovered at $\alpha_{2000}$=19$^{\rm h}$12$^{\rm m}$49$^{\rm s}$, $\delta_{2000}$=+10°09´06´´(HESS J1912+101). Its integral flux between 1-10 TeV is ~10% of the Crab Nebula flux in the same energy range. The measured energy spectrum can be described by a power law d $N/{\rm d}E \, \sim \, E^{-\Gamma}$ with a photon index $\Gamma = 2.7 \pm 0.2_{\mbox{stat}}\pm 0.3_{\mbox{sys}}$. HESS J1912+101 is plausibly associated with the high spin-down luminosity pulsar PSR J1913+1011. We also discuss associations with an as yet unconfirmed SNR candidate proposed from low frequency radio observation and/or with molecular clouds found in 13CO data.
DOI Link: 10.1051/0004-6361:20078715
ISSN: 0004-6361
Version: Publisher Version
Status: Peer-reviewed
Type: Journal Article
Rights: Copyright © 2008 ESO. Reproduced with permission from Astronomy & Astrophysics, © ESO.
Appears in Collections:Published Articles, Dept. of Physics and Astronomy

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