{"paper":{"title":"Extended VHE gamma-ray emission towards SGR1806-20, LBV1806-20, and stellar cluster Cl*1806-20","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Abramowski, A.A. Zdziarski, A. Balzer, A. Chen, A. Djannati-Ata\\\"i, A. Donath, A. Fiasson, A. F\\\"orster, A.G. Akhperjanian, A. Goyal, A. Hillert, A. Ivascenko, A. Jacholkowska, A. Lemi\\`ere, A. Marcowith, A.M. Taylor, A.M.W. Mitchell, A. Quirrenbach, A. Reimer, A. Santangelo, A. Schulz, A.S. Seyffert, A. Viana, A. Wierzcholska, A. W\\\"ornlein, A. Zech, A. Ziegler, B. Condon, B. Degrange, B. Giebels, B. Kh\\'elifi, B. Peyaud, B. Rudak, B. van Soelen, C. Boisson, C.B. Rulten, C. Couturier, C. Deil, C. Farnier, C. Hoischen, C. Mariaud, C. Romoli, C. Stegmann, C. Trichard, C. van Eldik, C. Venter, D.A. Sanchez, D. Berge, D. Gottschall, D. Hadasch, D. Horns, D. Jankowsky, D. Kerszberg, D. Klochkov, D. Kolitzus, D. Prokhorov, D. Salek, D. Wouters, D. Zaborov, E. Birsin, E. Leser, E. Moulin, E.O. Ang\\\"uner, F. Aharonian, F. Ait Benkhali, F. Brun, F. Jankowsky, F. Krayzel, F. Niederwanger, F. Rieger, F. Sch\\\"ussler, F. Spanier, F. Spies, F. Stinzing, F. Voisin, F. Zefi, G. Cologna, G. Dubus, G. Fontaine, G. Giavitto, G. Heinzelmann, G. Henri, G. Hermann, G. Lamanna, G. Maurin, G. Pelletier, G. P\\\"uhlhofer, G. Rowell, G. Spengler, G. Vasileiadis, H. Abdalla, H.J. V\\\"olk, H. Laffon, H. Odaka, H. Poon, H. Prokoph, H. Sol, I.D. Davids, I. Jung-Richardt, I. Lypova, I. Oya, I. Shilon, I. Sushch, J.A. Hinton, J. Becker Tjus, J. Bolmont, J. Bregeon, J. Carr, J. Chevalier, J. Conrad, J. Dyks, J.F. Glicenstein, J. Hahn, J. Hawkes, J. King, J. Lau, J. Lefaucheur, J. Niemiec, J.-P. Ernenwein, J.-P. Lees, J.-P. Lenain, J.-P. Tavernet, J. van der Walt, J. Veh, J. Vink, K. Bernl\\\"ohr, K. Dutson, K. Egberts, K. Katarzy\\'nski, K. Kosack, K. Mor{\\aa}, K. Stycz, L .Jouvin, L. Oakes, L.O'C. Drury, L. Stawarz, M.A. Kastendieck, M. Arrieta, M. Backes, M. Barnard, M. B\\\"ottcher, M. Bryan, M. Capasso, M. Chr\\'etien, M. de Naurois, M. Dyrda, M. F\\\"u{\\ss}ling, M. Gajdus, M. Grudzi\\'nska, M.-H. Grondin, M. Holler, M. Jamrozy, M. Janiak, M. Jingo, M. Kieffer, M. Kraus, M. Lemoine-Goumard, M. Lorentz, M. Mayer, M. Meyer, M. Mohamed, M. Ostrowski, M. Padovani, M. Panter, M. Paz Arribas, M. Punch, M. Renaud, M. Sasaki, M. Tluczykont, M.V. Fernandes, M. Zacharias, N. Chakraborty, N. Maxted, N. Shafi, Nu. Komin, N.W. Pekeur, N. Zywucka (H.E.S.S. Collaboration), O. Hervet, O. Reimer, P. Aubert, P. Bordas, P. Brun, P. deWilt, P. Eger, P.J. Meintjes, P.-O. Petrucci, P.P. Kr\\\"uger, P. Vincent, P. Wagner, P. Willmann, R. Blackwell, R.C.G. Chaves, R. Chalme-Calvet, R. de los Reyes, R.D. Parsons, R. Liu, R. Marx, R. Moderski, R.M. Wagner, R. Schlickeiser, R. Simoni, R. Steenkamp, R. Terrier, R. Tuffs, R. White, R. Yang, S. Bernhard, S. Casanova, S. Colafrancesco, S. Eschbach, S. Fegan, S. Funk, S. Gabici, S.J. Wagner, S. Klepser, S. Krakau, S. Ohm, S. \\\"Ottl, S. Pita, S. Raab, S. Rosier-Lees, S. Schwemmer, T. Bulik, T. Edwards, T. Garrigoux, T. Jogler, T. Lohse, T. Murach, T. Tavernier, T. Vuillaume, U. Katz, U. Menzler, U. Schwanke, V. Lefranc, V. Marandon, V. Sahakian, V. Zabalza, W. Domainko, W. Hofmann, W. Klu\\'zniak, Y.A. Gallant, Y. Becherini, Y. Cui, Z. Wadiasingh","submitted_at":"2016-06-17T01:56:11Z","abstract_excerpt":"Using the High Energy Spectroscopic System (H.E.S.S.) telescopes we have discovered a steady and extended very high-energy (VHE) gamma-ray source towards the luminous blue variable candidate LBV1806-20, massive stellar cluster Cl*1806-20, and magnetar SGR1806-20. The new VHE source, HESSJ1808-204, was detected at a statistical significance of >6sigma (post-trial) with a photon flux normalisation $(2.9 \\pm 0.4_{\\rm stat} \\pm 0.5_{\\rm sys})\\times 10^{-13}$\\,ph\\,cm$^{-2}$\\,s$^{-1}$\\,TeV$^{-1}$ at 1TeV and a power-law photon index of $2.3\\pm0.2_{\\rm stat}\\pm 0.3_{\\rm sys}$. The luminosity of this "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.05404","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}