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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 Agnès Balzer A. Barnacka Y. Becherini J. Becker Tjus K. Bernlöhr E. Birsin E. Bissaldi J. Biteau 1 M. Böttcher C. Boisson J. Bolmont 2 P. Bordas J. Brucker F. Brun P. Brun 3 T. Bulik S. Carrigan S. Casanova M. Cerruti P. M. Chadwick R. Chalme-Calvet 2 R. C. G. Chaves A. Cheesebrough M. Chrétien 2 S. Colafrancesco G. Cologna J. Conrad C. Couturier 2 Y. Cui M. Dalton 4 M. K. Daniel I. D. Davids B. Degrange 1 C. Deil P. Dewilt H. J. Dickinson A. Djannati-Ataï 5 W. Domainko L. O'C. Drury G. Dubus K. Dutson J. Dyks M. Dyrda T. Edwards K. Egberts P. Eger P. Espigat 6 C. Farnier S. Fegan 1 F. Feinstein 7 M. V. Fernandes D. Fernandez 7 A. Fiasson 8 G. Fontaine 1 A. Förster M. Füßling M. Gajdus Y. A. Gallant 7 T. Garrigoux 2 G. Giavitto B. Giebels 1 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 2 C. Jahn M. Jamrozy M. Janiak F. Jankowsky I. Jung M. A. Kastendieck K. Katarzyński U. Katz S. Kaufmann B. Khélifi 5 Michel Kieffer 2 S. Klepser D. Klochkov W. Kluźniak T. Kneiske D. Kolitzus Nu. Komin 8 K. Kosack S. Krakau F. Krayzel 8 P. P. Krüger H. Laffon 4 G. Lamanna 8 J. Lefaucheur 6 A. Lemière 6 M. Lemoine-Goumard 4 J.-P. Lenain 2 D. Lennarz T. Lohse A. Lopatin C.-C. Lu V. Marandon A. Marcowith 7 R. Marx G. Maurin 8 N. Maxted M. Mayer T. J. L. Mccomb J. Méhault 4 P. J. Meintjes U. Menzler M. Meyer R. Moderski M. Mohamed Emmanuel Moulin T. Murach C. L. Naumann 2 M. de Naurois 1 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 6 H. Poon G. Pühlhofer M. Punch 6 A. Quirrenbach S. Raab M. Raue A. Reimer O. Reimer M. Renaud 7 R. de los Reyes F. Rieger L. Rob C. Romoli S. Rosier-Lees 8 G. Rowell B. Rudak C. B. Rulten V. Sahakian D. A. Sanchez 8 A. Santangelo R. Schlickeiser F. Schüssler A. Schulz U. Schwanke S. Schwarzburg S. Schwemmer H. Sol G. Spengler F. Spies Ł. Stawarz R. Steenkamp C. Stegmann F. Stinzing K. Stycz I. Sushch A. Szostek J.-P. Tavernet 2 T. Tavernier 6 A. M. Taylor R. Terrier 6 M. Tluczykont C. Trichard 8 K. Valerius C. van Eldik B. van Soelen G. Vasileiadis 7 C. Venter A. Viana P. Vincent 2 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
1 LLR - Laboratoire Leprince-Ringuet
2 LPNHE - Laboratoire de Physique Nucléaire et de Hautes Énergies
3 IRFU - Institut de Recherches sur les lois Fondamentales de l'Univers
4 ASTRO - Astroparticules
CENBG - Centre d'Etudes Nucléaires de Bordeaux Gradignan
5 APC - AHE - APC - Astrophysique des Hautes Energies
APC (UMR_7164) - AstroParticule et Cosmologie, Dipartimento di Astronomia, Universita degli Studi di Bologna
6 APC (UMR_7164) - AstroParticule et Cosmologie
7 LUPM - Laboratoire Univers et Particules de Montpellier
8 LAPP - Laboratoire d'Annecy de Physique des Particules
Abstract : The results of follow-up observations of the TeV gamma-ray source HESSJ 1640-465 from 2004 to 2011 with the High Energy Stereoscopic System (H.E.S.S.) are reported in this work. The spectrum is well described by an exponential cut-off power law with photon index Gamma=2.11 +/- 0.09_stat +/- 0.10_sys, and a cut-off energy of E_c = (6.0 +2.0 -1.2) TeV. The TeV emission is significantly extended and overlaps with the north-western part of the shell of the SNR G338.3-0.0. The new H.E.S.S. results, a re-analysis of archival XMM-Newton data, and multi-wavelength observations suggest that a significant part of the gamma-ray emission from HESS J1640-465 originates in the SNR 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 W_p n_H ~ 4 x 10^52 (d/10kpc)^2 erg cm^-3.
Keywords : Astrophysics High Energy Astrophysical Phenomena
Document type :
Journal articles
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http://hal.in2p3.fr/in2p3-00947889
Contributor : Claudine Bombar <>
Submitted on : Monday, February 17, 2014 - 2:55:17 PM
Last modification on : Thursday, January 7, 2021 - 5:56:02 PM

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IN2P3 | OBSPM | UNIV-SAVOIE | CENBG | LAPP | LLR | LPNHE | UPMC | APC | CNRS | X | X-LLR | LUPM | DSM-IRFU | CEA | IRFU-APC | MIPS | UNIV-MONTPELLIER | CEA-DRF | X-DEP-PHYS | SORBONNE-UNIVERSITE | UNIV-PARIS7 | USPC | LUPM_EMA | SU-SCIENCES | UNIV-PARIS | UP-SCIENCES | PSL | UGA | SU-TI

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A. Abramowski, F. Aharonian, F. Ait Benkhali, A. G. Akhperjanian, E. Angüner, et al.. HESS J1640-465 - an exceptionally luminous TeV γ-ray supernova remnant. Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P - Oxford Open Option A, 2014, 439, pp.2828-2836. ⟨10.1093/mnras/stu139⟩. ⟨in2p3-00947889⟩

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