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Title: H.E.S.S. observations of RX J1713.7−3946 with improved angular and spectral resolution: Evidence for gamma-ray emission extending beyond the X-ray emitting shell
Authors: Abdalla, H.
Abramowski, A.
Aharonian, F.
Benkhali, F. A.
Akhperjanian, A. G.
Andersson, T.
Anguener, E. O.
Arrieta, M.
Aubert, P.
Backes, M.
Balzer, A.
Barnard, M.
Becherini, Y.
Tjus, J. B.
Berge, D.
Bernhard, S.
Bernloehr, K.
Blackwell, R.
Boettcher, M.
Boisson, C.
Bolmont, J.
Bordas, P.
Bregeon, J.
Brun, F.
Brun, P.
Bryan, M.
Bulik, T.
Capasso, M.
Carr, J.
Casanova, S.
Cerruti, M.
Chakraborty, N.
Chalme-Calvet, R.
Chaves, R. C. G.
Chen, A.
Chevalier, J.
Chretien, M.
Colafrancesco, S.
Cologna, G.
Condon, B.
Conrad, J.
Cui, Y.
Davids, I. D.
Decock, J.
Degrange, B.
Dei, C.
Devin, J.
deWilt, P.
Dirson, L.
Djannati-Atai, A.
Domainko, W.
Donath, A.
Drury, L. O.
Dubus, G.
Dutson, K.
Dyks, J.
Edwards, T.
Egberts, K.
Eger, P.
Ernenwein, J.-P.
Eschbach, S.
Farnier, C.
Fegan, S.
Fernandes, M. V.
Fiasson, A.
Fontaine, G.
Foerster, A.
Fukuyama, T.
Funk, S.
Fuessling, M.
Gabici, S.
Gajdus, M.
Gallant, Y. A.
Garrigoux, T.
Giavitto, G.
Giebels, B.
Glicenstein, J. F.
Gottschall, D.
Goyal, A.
Grondin, M.-H.
Hadasch, D.
Hahn, J.
Haupt, M.
Hawkes, J.
Heinzelmann, G.
Henri, G.
Hermann, G.
Hervet, O.
Hinton, J. A.
Hofmann, W.
Hoischen, C.
Holler, M.
Horns, D.
Ivascenko, A.
Jacholkowska, A.
Jamrozy, M.
Janiak, M.
Jankowsky, D.
Jankowsky, F.
Jingo, M.
Jogler, T.
Jouvin, L.
Jung-Richardt, I.
Kastendieck, M. A.
Katarzynski, K.
Katz, U.
Kerszberg, D.
Khelifi, B.
Kieffer, M.
King, J.
Klepser, S.
Klochkov, D.
Kluzniak, W.
Kolitzus, D.
Komin, N.
Kosack, K.
Krakau, S.
Kraus, M.
Krayzel, F.
Krueger, P. P.
Laffon, H.
Lamanna, G.
Lau, J.
Lees, J.-P.
Lefaucheur, J.
Lefranc, V.
Lemiere, A.
Lemoine-Goumard, M.
Lenain, J.-P
Leser, E.
Lohse, T.
Lorentz, M.
Liu, R.
Lopez-Coto, R.
Lypova, I.
Marandon, V.
Marcowith, A.
Mariaud, C.
Marx, R.
Maurin, G.
Maxted, N.
Mayer, M.
Meintjes, P. J.
Meyer, M.
Mitchell, A. M. W.
Moderski, R.
Mohamed, M.
Mohrmann, L.
Mora, K.
Moulin, E.
Murach, T.
de Naurois, M.
Niederwanger, F.
Niemiec, J.
Oakes, L.
O'Brien, Paul
Odaka, H.
Oettl, S.
Ohm, S.
Ostrowski, M.
Oya, I.
Padovani, M.
Panter, M.
Parsons, R. D.
Pekeur, N. W.
Pelletier, G.
Perennes, C.
Petrucci, P.-O.
Peyaud, B.
Piel, Q.
Pita, S.
Poon, H.
Prokhorov, D.
Prokoph, H.
Puehlhofer, G.
Punch, M.
Quirrenbach, A.
Raab, S.
Reimer, A.
Reimer, O.
Renaud, M.
de los Reyes, R.
Rieger, F.
Romoli, C.
Rosier-Lees, S.
Rowell, G.
Rudak, B.
Rulten, C. B.
Sahakian, V.
Salek, D.
Sanchez, D. A.
Santangelo, A.
Sasaki, M.
Schlickeiser, R.
Schuessler, F.
Schulz, A.
Schwanke, U.
Schwemmer, S.
Settimo, M.
Seyffert, A. S.
Shafi, N.
Shilon, I.
Simoni, R.
Sol, H.
Spanie, F.
Spengler, G.
Spies, F.
Stawarz, L.
Steenkamp, R.
Stegmann, C.
Stinzing, F.
Stycz, K.
Sushch, I.
Takahashi, T.
Tavernet, J.-P.
Tavernier, T.
Taylor, A. M.
Terrier, R.
Tibaldo, L.
Tiziani, D.
Tluczykont, M.
Trichard, C.
Tuffs, R.
Uchiyama, Y.
van der Walt, D. J.
van Edik, C.
van Rensburg, C.
van Soelen, B.
Vasileiadis, G.
Veh, J.
Venter, C.
Viana, A.
Vincent, P.
Vink, J.
Voisin, F.
Voelk, H. J.
Volpe, F.
Vuillaume, T.
Wadiasingh, Z.
Wagner, S. J.
Wagner, P.
Wagner, R. M.
White, R.
Wierzcholska, A.
Willmann, P.
Woernlein, A.
Wouters, D.
Yang, R.
Zabalza, V.
Zaborov, D.
Zacharias, M.
Zdziarski, A. A.
Zech, A.
Zefi, F.
Ziegler, A.
Zywucka, N.
First Published: 9-Apr-2018
Publisher: EDP Sciences for European Southern Observatory
Citation: Astronomy and Astrophysics, 2018, 612, A6
Abstract: Supernova remnants exhibit shock fronts (shells) that can accelerate charged particles up to very high energies. In the past decade, measurements of a handful of shell-type supernova remnants in very high-energy gamma rays have provided unique insights into the acceleration process. Among those objects, RX J1713.7−3946 (also known as G347.3−0.5) has the largest surface brightness, allowing us in the past to perform the most comprehensive study of morphology and spatially resolved spectra of any such very high-energy gamma-ray source. Here we present extensive new H.E.S.S. measurements of RX J1713.7−3946, almost doubling the observation time compared to our previous publication. Combined with new improved analysis tools, the previous sensitivity is more than doubled. The H.E.S.S. angular resolution of 0.048° (0.036° above 2 TeV) is unprecedented in gamma-ray astronomy and probes physical scales of 0.8 (0.6) parsec at the remnant’s location. The new H.E.S.S. image of RX J1713.7−3946 allows us to reveal clear morphological differences between X-rays and gamma rays. In particular, for the outer edge of the brightest shell region, we find the first ever indication for particles in the process of leaving the acceleration shock region. By studying the broadband energy spectrum, we furthermore extract properties of the parent particle populations, providing new input to the discussion of the leptonic or hadronic nature of the gamma-ray emission mechanism.
DOI Link: 10.1051/0004-6361/201629790
ISSN: 004-6361
eISSN: 1432-0746
Version: Publisher Version
Status: Peer-reviewed
Type: Journal Article
Rights: Copyright © 2018, EDP Sciences for European Southern Observatory. Deposited with reference to the publisher’s open access archiving policy. (
Appears in Collections:Published Articles, Dept. of Physics and Astronomy

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