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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
Multiwavelength observations of a VHE gamma-ray flare from PKS 1510-089 in 2015
Astronomy and Astrophysics, Volume 603, Article A29, Year 2017
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Description
Context. PKS 1510-089 is one of only a few flat spectrum radio quasars detected in the very-high-energy (VHE, > 100 GeV) gamma-ray band. Aims. We study the broadband spectral and temporal properties of the PKS 1510-089 emission during a high gamma-ray state. Methods. We performed VHE gamma-ray observations of PKS 1510-089 with the Major Atmospheric Gamma Imaging Cherenkov (MAGIC) telescopes during a long, high gamma-ray state in May 2015. In order to perform broadband modeling of the source, we have also gathered contemporaneous multiwavelength data in radio, IR, optical photometry and polarization, UV, X-ray, and GeV gamma-ray ranges. We construct a broadband spectral energy distribution (SED) in two periods, selected according to VHE gamma-ray state. Results. PKS 1510-089 was detected by MAGIC during a few day-long observations performed in the middle of a long, high optical and gamma-ray state, showing for the first time a significant VHE gamma-ray variability. Similarly to the optical and gamma-ray high state of the source detected in 2012, it was accompanied by a rotation of the optical polarization angle and the emission of a new jet component observed in radio. However, owing to large uncertainty on the knot separation time, the association with the VHE gamma-ray emission cannot be firmly established. The spectral shape in the VHE band during the flare is similar to those obtained during previous measurements of the source. The observed flux variability sets constraints for the first time on the size of the region from which VHE gamma rays are emitted. We model the broadband SED in the framework of the external Compton scenario and discuss the possible emission site in view of multiwavelength data and alternative emission models. © ESO, 2017.
Authors & Co-Authors
Ahnen, Max L.
Switzerland, Zurich
Eth Zürich
Ansoldi, Stefano
Italy, Trieste
Istituto Nazionale Di Fisica Nucleare, Sezione Di Trieste
Japan, Kyoto
Kyoto University
Antonelli, Lucio Angelo
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Arcaro, Cornelia H.E.
Italy, Rome
Istituto Nazionale Di Fisica Nucleare - Infn
Babić, Ana
Croatia, Zagreb
University of Zagreb
Banerjee, Biswajit
India, Kolkata
Saha Institute of Nuclear Physics
Bangale, Priyadarshini
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Barres De Almeida, Ulisses
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Brazil, Rio de Janeiro
Centro Brasileiro de Pesquisas Físicas
Barrio, Juan Abel
Spain, Madrid
Universidad Complutense de Madrid
Bednarek, Włodzimierz
Poland, Lodz
University of Lodz
Bernardini, Elisa
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Germany, Berlin
Humboldt-universität zu Berlin
Berti, Alessio
Italy, Trieste
Istituto Nazionale Di Fisica Nucleare, Sezione Di Trieste
Italy, Trieste
Università Degli Studi Di Trieste
Biasuzzi, Barbara
Italy, Trieste
Istituto Nazionale Di Fisica Nucleare, Sezione Di Trieste
Biland, Adrian
Switzerland, Zurich
Eth Zürich
Blanch, Oscar
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Bonnefoy, Simon
Spain, Madrid
Universidad Complutense de Madrid
Bonnoli, Giacomo
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Borracci, F.
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Bretz, Thomas
Germany, Wurzburg
Julius-maximilians-universität Würzburg
Switzerland, Lausanne
École Polytechnique Fédérale de Lausanne
Carosi, Roberto
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Carosi, Alessandro
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Colin, Pierre
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Colombo, E.
Spain, San Cristobal de la Laguna
Instituto Astrofisico de Canarias
Spain, San Cristobal de la Laguna
Universidad de la Laguna
Contreras, José Luis
Spain, Madrid
Universidad Complutense de Madrid
Cortina, J.
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Covino, Stefano
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Cumani, P.
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
da Vela, Paolo
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Dazzi, Francesco
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
De Angelis, Alessandro D.
Italy, Rome
Istituto Nazionale Di Fisica Nucleare - Infn
De Lotto, Barbara
Italy, Trieste
Istituto Nazionale Di Fisica Nucleare, Sezione Di Trieste
De Oña Wilhelmi, Emma
Spain, Barcelona
Csic - Instituto de Ciencias Del Espacio Ice
Di Pierro, F.
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Doert, Marlene
Germany, Dortmund
Technische Universität Dortmund
Domínguez, A. D.
Spain, Madrid
Universidad Complutense de Madrid
Dominis-Prester, Dijana
Croatia, Zagreb
University of Zagreb
Dorner, Daniela
Germany, Wurzburg
Julius-maximilians-universität Würzburg
Doro, Michele
Italy, Rome
Istituto Nazionale Di Fisica Nucleare - Infn
Einecke, Sabrina
Germany, Dortmund
Technische Universität Dortmund
Eisenacher Glawion, D.
Germany, Wurzburg
Julius-maximilians-universität Würzburg
Elsässer, Dominik
Germany, Dortmund
Technische Universität Dortmund
Engelkemeier, M.
Germany, Dortmund
Technische Universität Dortmund
Fallah Ramazani, Vandad
Finland, Turku
Turun Yliopisto
Fernandez-Barral, Alba
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Fidalgo, David Carreto
Spain, Madrid
Universidad Complutense de Madrid
Fonseca, M. V.
Spain, Madrid
Universidad Complutense de Madrid
Font, Ll L.
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Fruck, Christian
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Galindo, Daniel
Spain, Barcelona
Instituto de Estudios Espaciales de Cataluña
García López, Ramón J.
Spain, San Cristobal de la Laguna
Instituto Astrofisico de Canarias
Spain, San Cristobal de la Laguna
Universidad de la Laguna
Garczarczyk, Markus
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Gaug, Markus
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Giammaria, P.
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Godinović, Nikola
Croatia, Zagreb
University of Zagreb
Góra, Dariusz
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Guberman, D.
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Hadasch, Daniela
Japan, Tokushima
Tokushima University
Hahn, A.
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Hassan, Tarek
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Hayashida, Masaaki
Japan, Tokushima
Tokushima University
Herrera, Juan Carlos Helo
Spain, San Cristobal de la Laguna
Instituto Astrofisico de Canarias
Spain, San Cristobal de la Laguna
Universidad de la Laguna
Hose, Juergen
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Hrupec, Dario
Croatia, Zagreb
University of Zagreb
Hughes, Gareth A.
Switzerland, Zurich
Eth Zürich
Ishio, Kazuma
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Konno, Yusuke
Japan, Tokushima
Tokushima University
Kubo, Hidetoshi
Japan, Tokushima
Tokushima University
Kushida, Junko
Japan, Tokushima
Tokushima University
Kuveždić, D.
Croatia, Zagreb
University of Zagreb
Lelas, Damir
Croatia, Zagreb
University of Zagreb
Lindfors, Elina J.
Finland, Turku
Turun Yliopisto
Lombardi, Saverio
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Longo, Francesco
Italy, Trieste
Istituto Nazionale Di Fisica Nucleare, Sezione Di Trieste
Italy, Trieste
Università Degli Studi Di Trieste
López-Moya, Marcos
Spain, Madrid
Universidad Complutense de Madrid
Majumdar, Pratik
India, Kolkata
Saha Institute of Nuclear Physics
Makariev, M. V.
Bulgaria, Sofia
Institute for Nuclear Research and Nuclear Energy Bulgarian Academy of Sciences
Maneva, Galina M.
Bulgaria, Sofia
Institute for Nuclear Research and Nuclear Energy Bulgarian Academy of Sciences
Manganaro, Marina
Spain, San Cristobal de la Laguna
Instituto Astrofisico de Canarias
Spain, San Cristobal de la Laguna
Universidad de la Laguna
Mannheim, Karl
Germany, Wurzburg
Julius-maximilians-universität Würzburg
Maraschi, Laura
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Mariotti, M.
Italy, Rome
Istituto Nazionale Di Fisica Nucleare - Infn
Martínez, Manel
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Mazin, Daniel
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Japan, Kyoto
Japanese Magic Consortium
Menzel, Uta
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Mirzoyan, Razmik G.
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Moralejo, Abelardo
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Moretti, Elena
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Neustroev, Vitaly V.
Finland, Turku
Turun Yliopisto
Maciołek-Niedźwiecki, Andrzej
Poland, Lodz
University of Lodz
Nievas-Rosillo, M.
Spain, Madrid
Universidad Complutense de Madrid
Nilsson, Kari
Finland, Turku
Turun Yliopisto
Nishijima, Kyoshi
Japan, Tokushima
Tokushima University
Noda, Koji
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Nogués, Leyre
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Paiano, Simona
Italy, Rome
Istituto Nazionale Di Fisica Nucleare - Infn
Palacio, Joaquim
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Palatiello, Michele
Italy, Trieste
Istituto Nazionale Di Fisica Nucleare, Sezione Di Trieste
Paneque, David
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Paoletti, Riccardo
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Paredes, Josep Maria
Spain, Barcelona
Instituto de Estudios Espaciales de Cataluña
Pedaletti, Giovanna
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Persic, Massimo
Italy, Trieste
Istituto Nazionale Di Fisica Nucleare, Sezione Di Trieste
Italy, Bologna
Inaf Istituto Di Astrofisica Spaziale e Fisica Cosmica, Bologna
Poutanen, Juri
Finland, Turku
Turun Yliopisto
Prada Moroni, Pier Giorgio
Italy, Rome
Istituto Nazionale Di Fisica Nucleare - Infn
Prandini, Elisa
Italy, Rome
Istituto Nazionale Di Fisica Nucleare - Infn
Puljak, Ivica
Croatia, Zagreb
University of Zagreb
Rhode, Wolfgang
Germany, Dortmund
Technische Universität Dortmund
Ribó, Marc
Spain, Barcelona
Instituto de Estudios Espaciales de Cataluña
Rico, Javier R.
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Schweizer, Thomas
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Shore, Steven N.
Italy, Rome
Istituto Nazionale Di Fisica Nucleare - Infn
Sillanp̈äa, Aimo K.
Finland, Turku
Turun Yliopisto
Sitarek, Julian
Poland, Lodz
University of Lodz
Sobczyńska, Dorota
Poland, Lodz
University of Lodz
Stamerra, Antonio
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Takalo, Leo O.
Finland, Turku
Turun Yliopisto
Tavecchio, Fabrizio
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Terzić, Tomislav
Croatia, Zagreb
University of Zagreb
Teshima, Masahiro
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Japan, Kyoto
Japanese Magic Consortium
Torres, Diego F.
Spain, Barcelona
Institució Catalana de Recerca I Estudis Avançats
Treves, Aldo
Italy, Trieste
Istituto Nazionale Di Fisica Nucleare, Sezione Di Trieste
Vazquez Acosta, Monica
Spain, San Cristobal de la Laguna
Instituto Astrofisico de Canarias
Spain, San Cristobal de la Laguna
Universidad de la Laguna
Vovk, Ievgen
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Ward, John Ennis
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Desiante, Rachele
Italy, Trieste
Istituto Nazionale Di Fisica Nucleare, Sezione Di Trieste
Becerra González, Josefa
Spain, San Cristobal de la Laguna
Instituto Astrofisico de Canarias
Spain, San Cristobal de la Laguna
Universidad de la Laguna
United States, Greenbelt
Nasa Goddard Space Flight Center
United States, College Park
University of Maryland, College Park
D'Ammando, Filippo
Italy, Bologna
Alma Mater Studiorum Università Di Bologna
Italy, Bologna
Istituto Di Radioastronomia, Bologna
Larsson, Stefan
Sweden, Stockholm
The Royal Institute of Technology Kth
Sweden, Stockholm
Oskar Klein Centre
Raiteri, Claudia M.
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Reinthal, Riho
Finland, Turku
Turun Yliopisto
L¨ahteenm¨aki, Anne A.
Finland, Espoo
Aalto University
Järvelä, Emilia
Finland, Espoo
Aalto University
Tornikoski, Merja
Finland, Espoo
Aalto University
Ramakrishnan, Venkatessh
Finland, Espoo
Aalto University
Jorstad, Svetlana G.
United States, Boston
Boston University
Russian Federation, Saint Petersburg
Saint Petersburg State University
Marscher, Alan P.
United States, Boston
Boston University
MacDonald, Nicholas Roy
United States, Boston
Boston University
Kaur, Navpreet
India, Ahmedabad
Physical Research Laboratory India
India, Gandhinagar
Indian Institute of Technology Gandhinagar
Sameer,
India, Ahmedabad
Physical Research Laboratory India
United States, University Park
Pennsylvania State University
Baliyan, Kiran Singh
India, Ahmedabad
Physical Research Laboratory India
Acosta-Pulido, José Antonio
Spain, San Cristobal de la Laguna
Instituto Astrofisico de Canarias
Spain, San Cristobal de la Laguna
Universidad de la Laguna
Martínez-Lombilla, Cristina
Spain, San Cristobal de la Laguna
Instituto Astrofisico de Canarias
Spain, San Cristobal de la Laguna
Universidad de la Laguna
Carnerero, Maria Isabel
Spain, San Cristobal de la Laguna
Instituto Astrofisico de Canarias
Spain, San Cristobal de la Laguna
Universidad de la Laguna
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Jermak, Helen E.
United Kingdom, Lancaster
Lancaster University
United Kingdom, Liverpool
Liverpool John Moores University
Steele, Iain A.
United Kingdom, Liverpool
Liverpool John Moores University
Larionov, Valeri M.
Russian Federation, Saint Petersburg
Saint Petersburg State University
Russian Federation, Saint Petersburg
Pulkovo Observatory of the Russian Academy of Sciences
Borman, G. A.
Ukraine, Bakhchysarai
Crimean Astrophysical Observatory Ras
Grishina, Tatiana S.
Russian Federation, Saint Petersburg
Saint Petersburg State University
Statistics
Citations: 30
Authors: 148
Affiliations: 45
Identifiers
Doi:
10.1051/0004-6361/201629960
ISSN:
00046361
Research Areas
Environmental