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HESS J1640-465-an exceptionally luminous TeV γ-ray supernova remnant

  • A. Abramowski
  • , F. Aharonian
  • , F. Ait Benkhali
  • , A. G. Akhperjanian
  • , E. Angüner
  • , G. Anton
  • , S. Balenderan
  • , A. Balzer
  • , A. Barnacka
  • , Y. Becherini
  • , J. Becker Tjus
  • , K. Bernlöhr
  • , E. Birsin
  • , E. Bissaldi
  • , J. Biteau
  • , M. Böttcher
  • , C. Boisson
  • , J. Bolmont
  • , P. Bordas
  • , J. Brucker
  • F. Brun, P. Brun, T. Bulik, S. Carrigan, S. Casanova, M. Cerruti, P. M. Chadwick, R. Chalme-Calvet, R. C.G. Chaves, A. Cheesebrough, M. Chrétien, S. Colafrancesco, G. Cologna, J. Conrad, C. Couturier, Y. Cui, M. Dalton, M. K. Daniel, I. D. Davids, B. Degrange, C. Deil, P. deWilt, H. J. Dickinson, A. Djannati-Ataï, W. Domainko, L. O. Drury, G. Dubus, K. Dutson, J. Dyks, M. Dyrda, T. Edwards, K. Egberts, P. Eger, P. Espigat, C. Farnier, S. Fegan, F. Feinstein, M. V. Fernandes, D. Fernandez, A. Fiasson, G. Fontaine, A. Förster, M. Füßling, M. Gajdus, Y. A. Gallant, T. Garrigoux, G. Giavitto, B. Giebels, J. F. Glicenstein, M. H. Grondin, M. Grudzińska, S. Häffner, J. Hahn, J. Harris, G. Heinzelmann, G. Henri, G. Hermann, O. Hervet, A. Hillert, J. A. Hinton, W. Hofmann, P. Hofverberg, M. Holler, D. Horns, A. Jacholkowska, C. Jahn, M. Jamrozy, M. Janiak, F. Jankowsky, I. Jung, M. A. Kastendieck, K. Katarzyński, U. Katz, S. Kaufmann, B. Khélifi, M. Kieffer, S. Klepser, D. Klochkov, W. Kluźniak, T. Kneiske, D. Kolitzus, N. U. Komin, K. Kosack, S. Krakau, F. Krayzel, P. P. Krüger, H. Laffon, G. Lamanna, J. Lefaucheur, A. Lemière, M. Lemoine-Goumard, J. P. Lenain, D. Lennarz, T. Lohse, A. Lopatin, C. C. Lu, V. Marandon, A. Marcowith, R. Marx, G. Maurin, N. Maxted, M. Mayer, T. J.L. McComb, J. Méhault, P. J. Meintjes, U. Menzler, M. Meyer, R. Moderski, M. Mohamed, E. Moulin, T. Murach, C. L. Naumann, M. de Naurois, J. Niemiec, S. J. Nolan, L. Oakes, S. Ohm, E. de Oña Wilhelmi, B. Opitz, M. Ostrowski, I. Oya, M. Panter, R. D. Parsons, M. Paz Arribas, N. W. Pekeur, G. Pelletier, J. Perez, P. O. Petrucci, B. Peyaud, S. Pita, H. Poon, G. Pühlhofer, M. Punch, A. Quirrenbach, S. Raab, M. Raue, A. Reimer, O. Reimer, M. Renaud, R. de los Reyes, F. Rieger, L. Rob, C. Romoli, S. Rosier-Lees, G. Rowell, B. Rudak, C. B. Rulten, V. Sahakian, D. A. Sanchez, A. Santangelo, R. Schlickeiser, F. Schüssler, A. Schulz, U. Schwanke, S. Schwarzburg, S. Schwemmer, H. Sol, G. Spengler, F. Spies, Stawarz, R. Steenkamp, C. Stegmann, F. Stinzing, K. Stycz, I. Sushch, A. Szostek, J. P. Tavernet, T. Tavernier, A. M. Taylor, R. Terrier, M. Tluczykont, C. Trichard, K. Valerius, C. van Eldik, B. van Soelen, G. Vasileiadis, C. Venter, A. Viana, P. Vincent, J. Vink, H. J. Völk, F. Volpe, M. Vorster, T. Vuillaume, S. J. Wagner, P. Wagner, M. Ward, M. Weidinger, Q. Weitzel, R. White, A. Wierzcholska, P. Willmann, A. Wörnlein, D. Wouters, V. Zabalza, M. Zacharias, A. Zajczyk, A. A. Zdziarski, A. Zech, H. S. Zechlin
  • Universität Hamburg
  • Max-Planck-Institut für Kernphysik
  • Dublin Institute for Advanced Studies
  • National Academy of Sciences of Armenia
  • Yerevan Physics Institute
  • Humboldt-Universität zu Berlin
  • Friedrich-Alexander University (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen
  • Durham University
  • c/o DESY
  • University of Potsdam
  • Nicolaus Copernicus Astronomical Center of the Polish Academy of Sciences
  • Linnaeus University, Växjö
  • Ruhr-University Bochum
  • University of Innsbruck
  • Ip Paris
  • North-West University
  • Centre national de la recherche scientifique
  • Universités Paris VI and VII
  • University of Tübingen
  • Universite Paris-Saclay
  • University of Warsaw
  • Center for Astrophysics | Harvard & Smithsonian
  • University of the Witwatersrand, Johannesburg
  • Landessternwarte Heidelberg
  • Oskar Klein Centre
  • UMR 5797
  • University of Namibia
  • University of Adelaide
  • Astroparticule and Cosmol APC
  • Université Grenoble Alpes
  • University of Leicester
  • Institute for Nuclear Physics
  • Laboratoire Univers et Particules de Montpellier
  • Laboratoire de Physique des Particules
  • Jagiellonian University
  • Nicolaus Copernicus University
  • University of the Free State
  • Charles University
  • University of Amsterdam

Research output: Contribution to journalArticlepeer-review

Abstract

The results of follow-up observations of the TeV γ-ray source HESS J1640-465 from 2004 to 2011 with the High Energy Stereoscopic System (HESS) are reported in this work. The spectrum is well described by an exponential cut-offpower law with photon index γ = 2.11 ± 0.09stat ± 0.10sys, and a cut-offenergy of Ec = 6.0+2.0-1.2 TeV. The TeV emission is significantly extended and overlaps with the northwestern part of the shell of the SNR G338.3-0.0. The new HESS results, a re-analysis of archival XMM-Newton data and multiwavelength observations suggest that a significant part of the γ-ray emission from HESS J1640-465 originates in the supernova remnant shell. In a hadronic scenario, as suggested by the smooth connection of the GeV and TeV spectra, the product of total proton energy and mean target density could be as high as WpnH ~ 4 × 1052(d/10kpc)2 erg cm-3.

Original languageEnglish
Pages (from-to)2828-2836
Number of pages9
JournalMonthly Notices of the Royal Astronomical Society
Volume439
Issue number3
DOIs
Publication statusPublished - 1 Jan 2014

Keywords

  • G338.3-0.0-ISM
  • Individual objects
  • Non-thermal-ISM
  • Radiation mechanisms
  • Supernova remnants

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