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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
The supernova remnant W49B as seen with H.E.S.S. and Fermi-LAT
Astronomy and Astrophysics, Volume 612, Article A5, Year 2018
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Description
The supernova remnant (SNR) W49B originated from a core-collapse supernova that occurred between one and four thousand years ago, and subsequently evolved into a mixed-morphology remnant, which is interacting with molecular clouds (MC). Gamma-ray observations of SNR-MC associations are a powerful tool to constrain the origin of Galactic cosmic rays, as they can probe the acceleration of hadrons through their interaction with the surrounding medium and subsequent emission of non-thermal photons. We report the detection of a γ-ray source coincident with W49B at very high energies (VHE; E > 100 GeV) with the H.E.S.S. Cherenkov telescopes together with a study of the source with five years of Fermi-LAT high-energy γ-ray (0.06-300 GeV) data. The smoothly connected, combined source spectrum, measured from 60 MeV to multi-TeV energies, shows two significant spectral breaks at 304 ± 20 MeV and 8.4-2.5 +2.2 GeV; the latter is constrained by the joint fit from the two instruments. The detected spectral features are similar to those observed in several other SNR-MC associations and are found to be indicative of γ-ray emission produced through neutral-pion decay. © ESO.
Authors & Co-Authors
Abdalla, Hassan
South Africa, Potchefstroom
North-west University
Abramowski, Attila
Germany, Hamburg
Universität Hamburg
Aharonian, F. A.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Ireland, Dublin
Institiúid Ard-lénn Bhaile Átha Cliath
Armenia, Yerevan
National Academy of Sciences of the Republic of Armenia
Benkhali, Faical Ait
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Akhperjanian, Ashot G.
Armenia, Yerevan
National Academy of Sciences of the Republic of Armenia
Armenia, Yerevan
Yerevan Physics Institute
Andersson, T.
Sweden, Vaxjo
Linnaeus University, Växjö
Sweden, Uppsala
Wallenberg Academy Fellow
Angüner, Ekrem Oǧuzhan
Germany, Berlin
Humboldt-universität zu Berlin
Arrieta, M.
France, Paris
Université Psl
Aubert, Pierre
France, Paris
Cnrs Centre National de la Recherche Scientifique
Backes, Michael
Namibia, Windhoek
University of Namibia
Balzer, Arnim
Netherlands, Amsterdam
Universiteit Van Amsterdam
Barnard, Monica A.
South Africa, Potchefstroom
North-west University
Becherini, Yvonne
Sweden, Vaxjo
Linnaeus University, Växjö
Becker-Tjus, Julia
Germany, Bochum
Ruhr-universitat Bochum
Berge, David
Netherlands, Amsterdam
Fom-institute of Subatomic Physics - Nikhef
Bernhard, Sabrina
Austria, Innsbruck
Universität Innsbruck
Bernlöhr, Konrad
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Blackwell, Rebecca
Australia, Adelaide
The University of Adelaide
Boettcher, M.
South Africa, Potchefstroom
North-west University
Boisson, Catherine
France, Paris
Université Psl
Bolmont, Julien
France, Paris
Sorbonne Université
Bordas, Pol
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Bregeon, Johan
France, Montpellier
Université de Montpellier
Brun, François
France, Gradignan
Lp2i - Laboratoire de Physique Des Deux Infinis Bordeaux
Brun, Pierre
France, Gif-sur-yvette
Cea Saclay
Bryan, Marta L.
Netherlands, Amsterdam
Universiteit Van Amsterdam
South Africa
Marie Curie
Bulk, Tomasz
Poland, Warsaw
University of Warsaw
Capasso, Massimo
Germany, Tubingen
Eberhard Karls Universität Tübingen
Carr, John S.
France, Paris
Cnrs Centre National de la Recherche Scientifique
Casanova, Sabrina
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Poland, Krakow
Polska Akademia Nauk Oddzial w Krakowie
Cerruti, Matteo
France, Paris
Sorbonne Université
Chakraborty, Nachiketa
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Chalmé-Calvet, Raphaël
France, Paris
Sorbonne Université
Chaves, Ryan C.G.
France, Montpellier
Université de Montpellier
South Africa
Marie Curie
Chen, Andrew W.
South Africa, Johannesburg
University of the Witwatersrand
Chevalier, Jill
France, Paris
Cnrs Centre National de la Recherche Scientifique
Chrétien, Mathieu
France, Paris
Sorbonne Université
Colafrancesco, Sergio
South Africa, Johannesburg
University of the Witwatersrand
Cologna, Gabriele
Germany, Heidelberg
Universität Heidelberg
Condon, Benjamin
France, Gradignan
Lp2i - Laboratoire de Physique Des Deux Infinis Bordeaux
Conrad, Jan
Sweden, Stockholm
Albanova Universitetscentrum
Sweden, Uppsala
Wallenberg Academy Fellow
Cui, Yudong
Germany, Tubingen
Eberhard Karls Universität Tübingen
Davids, Isak Delberth
South Africa, Potchefstroom
North-west University
Namibia, Windhoek
University of Namibia
Decock, J.
France, Gif-sur-yvette
Cea Saclay
Degrange, Bernard
France, Paris
Cnrs Centre National de la Recherche Scientifique
Deil, Christoph
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Devin, Justine
France, Montpellier
Université de Montpellier
DeWilt, P.
Australia, Adelaide
The University of Adelaide
Dirson, Ludmilla
Germany, Hamburg
Universität Hamburg
Djannati-Ataï, Arache
France, Paris
Cnrs Centre National de la Recherche Scientifique
Domainko, Wilfried F.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Donath, Axel
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Drury, L. O.C.
Ireland, Dublin
Institiúid Ard-lénn Bhaile Átha Cliath
Dubus, Guillaume
France, Saint Martin D'heres
Institut de Planétologie et D’astrophysique de Grenoble Ipag
Dutson, Kate L.
United Kingdom, Leicester
University of Leicester
Dyks, Jarosław
Poland, Warsaw
Nicolaus Copernicus Astronomical Center of the Polish Academy of Sciences
Egberts, Kathrin
Germany, Potsdam
Universität Potsdam
Eger, Peter A.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Ernenwein, Jean Pierre
France, Paris
Cnrs Centre National de la Recherche Scientifique
Eschbach, Stefan
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Farnier, Christian
Sweden, Vaxjo
Linnaeus University, Växjö
Sweden, Stockholm
Albanova Universitetscentrum
Fegan, Stephen J.
France, Paris
Cnrs Centre National de la Recherche Scientifique
Fernandes, Milton Virgílio
Germany, Hamburg
Universität Hamburg
Fiasson, Armand
France, Paris
Cnrs Centre National de la Recherche Scientifique
Fontaine, Gérard
France, Paris
Cnrs Centre National de la Recherche Scientifique
Förster, Andreas
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Funk, Stefan
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Füling, Matthias
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Gabici, Stefano
France, Paris
Cnrs Centre National de la Recherche Scientifique
Gajdus, Michael
Germany, Berlin
Humboldt-universität zu Berlin
Gallant, Yves A.
France, Montpellier
Université de Montpellier
Garrigoux, Tania
South Africa, Potchefstroom
North-west University
Giavitto, Gianluca
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Giebels, Berrie
France, Paris
Cnrs Centre National de la Recherche Scientifique
Glicenstein, Jean François
France, Gif-sur-yvette
Cea Saclay
Gottschall, Daniel
Germany, Tubingen
Eberhard Karls Universität Tübingen
Goyal, Arti
Poland, Krakow
Uniwersytet Jagielloński
Grondin, Marie Hélène
France, Gradignan
Lp2i - Laboratoire de Physique Des Deux Infinis Bordeaux
Hadasch, Daniela
Austria, Innsbruck
Universität Innsbruck
Hahn, Joachim
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Haupt, Maria
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Hawkes, Jarryd
Australia, Adelaide
The University of Adelaide
Heinzelmann, Götz
Germany, Hamburg
Universität Hamburg
Henri, Gilles
France, Saint Martin D'heres
Institut de Planétologie et D’astrophysique de Grenoble Ipag
Hermann, German
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Hervet, Olivier
France, Paris
Université Psl
United States, Santa Cruz
University of California, Santa Cruz
Hinton, James A.J.A.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Hofmann, Werner
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Hoischen, Clemens
Germany, Potsdam
Universität Potsdam
Holler, Markus
France, Paris
Cnrs Centre National de la Recherche Scientifique
Horns, Dieter
Germany, Hamburg
Universität Hamburg
Ivascenko, Alex
South Africa, Potchefstroom
North-west University
Jachołkowska, Agnieszka
France, Paris
Sorbonne Université
Jamrozy, Marek
Poland, Krakow
Uniwersytet Jagielloński
Janiak, Mateusz
Poland, Warsaw
Nicolaus Copernicus Astronomical Center of the Polish Academy of Sciences
Jankowsky, David
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Jankowsky, Felix
Germany, Heidelberg
Universität Heidelberg
Jingo, Maxwell
South Africa, Johannesburg
University of the Witwatersrand
Jogler, Tobias
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
United States, Palo Alto
Stanford University
Jouvin, Léa
France, Paris
Cnrs Centre National de la Recherche Scientifique
Jung-Richardt, Ira V.
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Kastendieck, Max Anton
Germany, Hamburg
Universität Hamburg
Katarzyński, Krzysztof
Poland, Torun
Uniwersytet Mikołaja Kopernika w Toruniu
Katz, Ulrich F.
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Kerszberg, Daniel
France, Paris
Sorbonne Université
Khélifi, Bruno
France, Paris
Cnrs Centre National de la Recherche Scientifique
Kieffer, M.
France, Paris
Sorbonne Université
King, Johannes
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Klepser, Stefan
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Klochkov, Dmitry K.
Germany, Tubingen
Eberhard Karls Universität Tübingen
Klužniak, Wlodzimierz
Poland, Warsaw
Nicolaus Copernicus Astronomical Center of the Polish Academy of Sciences
Kolitzus, D.
Austria, Innsbruck
Universität Innsbruck
Komin, Nukri
South Africa, Johannesburg
University of the Witwatersrand
Kosack, Karl
France, Gif-sur-yvette
Cea Saclay
Krakau, S.
Germany, Bochum
Ruhr-universitat Bochum
Krayzel, Fabien
France, Paris
Cnrs Centre National de la Recherche Scientifique
Krüger, P. P.
South Africa, Potchefstroom
North-west University
Laffon, Hélène
France, Gradignan
Lp2i - Laboratoire de Physique Des Deux Infinis Bordeaux
Lamanna, Giovanni
France, Paris
Cnrs Centre National de la Recherche Scientifique
Lau, James C.
Australia, Adelaide
The University of Adelaide
Lees, Jean Pierre
France, Paris
Cnrs Centre National de la Recherche Scientifique
Lefranc, Valentin
France, Gif-sur-yvette
Cea Saclay
Lemière, Anne
France, Paris
Cnrs Centre National de la Recherche Scientifique
Lemoine-Goumard, Marianne
France, Gradignan
Lp2i - Laboratoire de Physique Des Deux Infinis Bordeaux
Lenain, Jean Philippe
France, Paris
Sorbonne Université
Lohse, Thomas
Germany, Berlin
Humboldt-universität zu Berlin
Liu, Ruoyu
Germany, Heidelberg
Max-planck-institut Für Kernphysik
López-Coto, Rubén
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Lypova, Iryna
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Marandon, Vincent
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Marcowith, Alexandre
France, Montpellier
Université de Montpellier
Marx, Ramin
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Maurin, Guillaume T.
France, Paris
Cnrs Centre National de la Recherche Scientifique
Maxted, Nigel I.
Australia, Adelaide
The University of Adelaide
Mayer, Michael
Germany, Berlin
Humboldt-universität zu Berlin
Meintjes, Pieter J.
South Africa, Bloemfontein
University of the Free State
Meyer, Manuel S.
Sweden, Stockholm
Albanova Universitetscentrum
Mitchell, Alison M.W.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Moderski, Rafaƚ
Poland, Warsaw
Nicolaus Copernicus Astronomical Center of the Polish Academy of Sciences
Mohamed, Mahmoud
Germany, Heidelberg
Universität Heidelberg
Mohrmann, Lars
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Mora, Karen Salomé Caballero
Sweden, Stockholm
Albanova Universitetscentrum
Moulin, E.
France, Gif-sur-yvette
Cea Saclay
Murach, Thomas
Germany, Berlin
Humboldt-universität zu Berlin
Niemiec, Jacek
Poland, Krakow
Polska Akademia Nauk Oddzial w Krakowie
O'Brien, Paul T.
United Kingdom, Leicester
University of Leicester
Ohm, Stefan
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Ostrowski, Michałl
Poland, Krakow
Uniwersytet Jagielloński
Oya, Igor
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Padovani, Marco
France, Montpellier
Université de Montpellier
Panter, M.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Parsons, Robert Daniel
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Pekeur, Nikki W.
South Africa, Potchefstroom
North-west University
Pelletier, Guy
France, Saint Martin D'heres
Institut de Planétologie et D’astrophysique de Grenoble Ipag
Petrucci, Pierre Olivier
France, Saint Martin D'heres
Institut de Planétologie et D’astrophysique de Grenoble Ipag
Pita, Santiago
France, Paris
Cnrs Centre National de la Recherche Scientifique
Poon, Helen
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Prokhorov, Dmitry A.
Sweden, Vaxjo
Linnaeus University, Växjö
Prokoph, Heike
Sweden, Vaxjo
Linnaeus University, Växjö
Pûhlhofer, Gerd
Germany, Tubingen
Eberhard Karls Universität Tübingen
Punch, Michael
France, Paris
Cnrs Centre National de la Recherche Scientifique
Quirrenbach, Andreas
Germany, Heidelberg
Universität Heidelberg
Reimer, Anita
Austria, Innsbruck
Universität Innsbruck
Reimer, Olaf
Austria, Innsbruck
Universität Innsbruck
Renaud, Matthieu
France, Montpellier
Université de Montpellier
Rieger, Frank M.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Germany, Heidelberg
Universität Heidelberg
Rosier-Lees, Sylvie
France, Paris
Cnrs Centre National de la Recherche Scientifique
Rowell, Gavin P.
Australia, Adelaide
The University of Adelaide
Rudak, Bronisław
Poland, Warsaw
Nicolaus Copernicus Astronomical Center of the Polish Academy of Sciences
Sahakian, Vardan H.
Armenia, Yerevan
National Academy of Sciences of the Republic of Armenia
Armenia, Yerevan
Yerevan Physics Institute
Šálek, David
Netherlands, Amsterdam
Fom-institute of Subatomic Physics - Nikhef
Sánchez, David A.
France, Paris
Cnrs Centre National de la Recherche Scientifique
Santangelo, Andrea E.
Germany, Tubingen
Eberhard Karls Universität Tübingen
Sasaki, Manami
Germany, Tubingen
Eberhard Karls Universität Tübingen
Schüssler, Fabian
France, Gif-sur-yvette
Cea Saclay
Schwanke, Ullrich
Germany, Berlin
Humboldt-universität zu Berlin
Seyffert, Albertus S.
South Africa, Potchefstroom
North-west University
Shafi, Nebiha
South Africa, Johannesburg
University of the Witwatersrand
Shilon, Idan
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Sol, Hélène
France, Paris
Université Psl
Spanier, Felix
South Africa, Potchefstroom
North-west University
Spengler, Gerrit
Sweden, Stockholm
Albanova Universitetscentrum
Stawarz, Łukasz
Poland, Krakow
Uniwersytet Jagielloński
Steenkamp, R.
Namibia, Windhoek
University of Namibia
Stegmann, Christian
Germany, Potsdam
Universität Potsdam
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Stinzing, Friedrich
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Sushch, Iurii
South Africa, Potchefstroom
North-west University
Tavernet, Jean Paul
France, Paris
Sorbonne Université
Terrier, Régis
France, Paris
Cnrs Centre National de la Recherche Scientifique
Tibaldo, Luigi
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Tluczykont, Martin
Germany, Hamburg
Universität Hamburg
Tuffs, Richard J.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Uchiyama, Yasunobu
Japan, Tokyo
Rikkyo University
van der Walt, D. J.
South Africa, Potchefstroom
North-west University
Vasileiadis, Georges
France, Montpellier
Université de Montpellier
Venter, C.
South Africa, Potchefstroom
North-west University
Viana, Aion A.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Vincent, P.
France, Paris
Sorbonne Université
Vink, Jacco S.
Netherlands, Amsterdam
Universiteit Van Amsterdam
Voisin, Fabien J.
Australia, Adelaide
The University of Adelaide
Völk, Heinrich J.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Wadiasingh, Zorawar
South Africa, Potchefstroom
North-west University
Wagner, Stefan J.
Germany, Heidelberg
Universität Heidelberg
Wagner, Philipp
Germany, Berlin
Humboldt-universität zu Berlin
White, Richard J.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Wierzcholska, Alicja
Poland, Krakow
Polska Akademia Nauk Oddzial w Krakowie
Wouters, Denis
France, Gif-sur-yvette
Cea Saclay
Yang, Ruizhi
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Zabalza, Víctor
United Kingdom, Leicester
University of Leicester
Zaborov, Dmitry N.
France, Paris
Cnrs Centre National de la Recherche Scientifique
Zacharias, Michael
Germany, Heidelberg
Universität Heidelberg
Zdziarski, Andrzej A.
Poland, Warsaw
Nicolaus Copernicus Astronomical Center of the Polish Academy of Sciences
Zech, Andreas
France, Paris
Université Psl
Z̀ywucka, Natalia
Poland, Krakow
Uniwersytet Jagielloński
Katsuta, Jun'ichiro
Japan, Higashihiroshima
Hiroshima University
Statistics
Citations: 44
Authors: 215
Affiliations: 41
Identifiers
Doi:
10.1051/0004-6361/201527843
ISSN:
00046361
Research Areas
Environmental