{"paper":{"title":"The 2012 flare of PG 1553+113 seen with H.E.S.S. and Fermi-LAT","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. Barnacka, A. Djannati-Ata\\\"i, A. Donath, A. Fiasson, A. F\\\"orster, A.G. Akhperjanian, A. Hillert, A. Ivascenko, A. Jacholkowska, A. Lemi\\`ere, A. Lopatin, A. Marcowith, A.M. Taylor, A.M.W. Mitchell, A. Quirrenbach, A. Reimer, A. Santangelo, A. Schulz, A. Viana, A. Wierzcholska, A. W\\\"ornlein, A. Zech, B. Degrange, B. Giebels, B. Kh\\'elifi, B. Opitz, B. Peyaud, B. Rudak, B. van Soelen, C. Boisson, C.B. Rulten, C.-C. Lu, C. Couturier, C. Deil, C. Farnier, C. Jahn, C. Romoli, C. Stegmann, C. Trichard, C. van Eldik, C. Venter, D.A. Sanchez, D. Berge, D. Fernandez, D. Gottschall, D. Hadsch, D. Horns, D. Klochkov, D. Kolitzus, D. Salek, D. Wouters, D. Zaborov, E. Birsin, E. Moulin, E.O. Ang\\\"uner, F. Aharonian, F. Ait Benkhali, F. Brun, F. Feinstein, F. Jankowsky, F. Krayzel, F. Rieger, F. Sch\\\"ussler, F. Spanier, F. Spies, F. Stinzing, F. Volpe, 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.J. V\\\"olk, H. Laffon, H. Odaka, H. Poon, H. Sol, H.-S. Zechlin, I.D. Davids, I. Jung, I. Oya, I. Reichardt, I. Sushch, J.A. Hinton, J. Becker Tjus, J. Biteau, J. Bolmont, J. Bregeon, J. Conrad, J. Dyks, J.F. Glicenstein, J. Hahn, J. Harris, J. Lefaucheur, J. M\\'ehault, J. Niemiec, J. Perez, J.-P. Lenain, J.-P. Tavernet, J. Veh, J. Vink, K. Bernl\\\"ohr, K. Dutson, K. Egberts, K. Katarzy\\'nski, K. Kosack, K. Mor{\\aa}, K. Stycz, K. Valerius, L. Oakes, L.O'C. Drury, L. Rob, \\L. Stawarz, M.A. Kastendieck, M. Backes, M. B\\\"ottcher, M. Bryan, M. Chr\\'etien, M. Dalton, 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. Kieffer, M. Lemoine-Goumard, M. Mayer, M. Meyer, M. Mohamed, M. Ostrowski, M. Panter, M. Paz Arribas, M. Punch, M. Renaud, M. Tluczykont, M.V. Fernandes, M. Vorster, M. Ward, M. Weidinger, M. Zacharias, N. Chakraborty, N. Maxted, Nu. Komin, N.W. Pekeur, O. Hervet, O. Reimer, P. Bordas, P. Brun, P. deWilt, P. Eger, P. Espigat, P. Hofverberg, P.J. Meintjes, P.M. Chadwick, P.-O. Petrucci, P.P. Kr\\\"uger, P. Vincent, P. Wagner, P. Willmann, Q. Weitzel, R.C.G. Chaves, R. Chalme-Calvet, R. de los Reyes, R.D. Parsons, R. Marx, R. Moderski, R.M. Wagner, R. Schlickeiser, R. Steenkamp, R. Terrier, R. White, R. Yang, S. Balenderan, S. Bernhard, S. Carrigan, S. Casanova, S. Colafrancesco, S. Fegan, S. Gabici, S. H\\\"affner, S.J. Nolan, S. Kaufmann, S. Klepser, S. Krakau, S. Ohm, S. Pita, S. Raab, S. Rosier-Lees, S. Schwarzburg, S. Schwemmer, T. Bulik, T. Edwards, T. Garrigoux, T.J.L. McComb, 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","submitted_at":"2015-01-21T08:20:47Z","abstract_excerpt":"Very high energy (VHE, $E>$100 GeV) $\\gamma$-ray flaring activity of the high-frequency peaked BL Lac object \\pg\\ has been detected by the \\hess\\ telescopes. The flux of the source increased by a factor of 3 during the nights of 2012 April 26 and 27 with respect to the archival measurements with hint of intra-night variability. No counterpart of this event has been detected in the \\fla\\ data. This pattern is consistent with VHE $\\gamma$ ray flaring being caused by the injection of ultrarelativistic particles, emitting $\\gamma$ rays at the highest energies. The dataset offers a unique opportuni"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.05087","kind":"arxiv","version":1},"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"}