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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
Discovery of very high energy γ -ray emission from the blazar 1ES 0033+595 by the MAGIC telescopes
Monthly Notices of the Royal Astronomical Society, Volume 446, No. 1, Year 2015
Notification
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Description
The number of known very high energy (VHE) blazars is ~50, which is very small in comparison to the number of blazars detected in other frequencies. This situation is a handicap for population studies of blazars, which emit about half of their luminosity in the γ-ray domain. Moreover, VHE blazars, if distant, allow for the study of the environment that the high-energy γ-rays traverse in their path towards the Earth, like the extragalactic background light (EBL) and the intergalactic magnetic field (IGMF), and hence they have a special interest for the astrophysics community. We present the first VHE detection of 1ES 0033+595 with a statistical significance of 5.5σ. The VHE emission of this object is constant throughout the MAGIC observations (2009 August and October), and can be parametrized with a power law with an integral flux above 150 GeV of (7.1 ± 1.3) × 10-12 photons cm-2 s-1 and a photon index of (3.8 ± 0.7). We model its spectral energy distribution (SED) as the result of inverse Compton scattering of synchrotron photons. For the study of the SED, we used simultaneous opticalR-band data from theKVAtelescope, archival X-ray data by Swift as well as INTEGRAL, and simultaneous high-energy (HE, 300 MeV-10 GeV) γ-ray data from the Fermi Large Area Telescope (LAT) observatory. Using the empirical approach of Prandini et al. (2010) and the Fermi LAT and MAGIC spectra for this object, we estimate the redshift of this source to be 0.34 ± 0.08 ± 0.05. This is a relevant result because this source is possibly one of the 10 most distant VHE blazars known to date, and with further (simultaneous) observations could play an important role in blazar population studies, as well as future constraints on the EBL and IGMF. © 2014 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society.
Authors & Co-Authors
Aleksíc, Jelena
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Ansoldi, Stefano
Italy, Trieste
Istituto Nazionale Di Fisica Nucleare, Sezione Di Trieste
Antonelli, Lucio Angelo
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Antoranz, Pedro
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Babić, Ana
Croatia, Split
University of Split
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
Barrio, Juan Abel
Spain, Madrid
Universidad Complutense de Madrid
Becerra González, Josefa
Spain, San Cristobal de la Laguna
Instituto Astrofisico de Canarias
United States, Greenbelt
Nasa Goddard Space Flight Center
United States, College Park
University of Maryland, College Park
Bednarek, Włodzimierz
Poland, Lodz
University of Lodz
Berger, Karsten
Spain, San Cristobal de la Laguna
Instituto Astrofisico de Canarias
United States, Newark
University of Delaware
Bernardini, Elisa
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
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, Rome
Istituto Nazionale Di Astrofisica, Rome
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, 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
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
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, Trieste
Istituto Nazionale Di Fisica Nucleare, Sezione Di Trieste
De Lotto, Barbara
Italy, Trieste
Istituto Nazionale Di Fisica Nucleare, Sezione Di Trieste
Doert, Marlene
Germany, Dortmund
Technische Universität Dortmund
Domínguez, A. D.
Spain, Granada
Instituto de Astrofísica de Andalucía - Csic
United States, Riverside
University of California, Riverside
Dominis-Prester, Dijana
Croatia, Split
University of Split
Dorner, Daniela
Germany, Wurzburg
Julius-maximilians-universität Würzburg
Doro, Michele
Italy, Padua
Istituto Nazionale Di Fisica Nucleare, Sezione Di Padova
Einecke, Sabrina
Germany, Dortmund
Technische Universität Dortmund
Eisenacher, Dorit
Germany, Wurzburg
Julius-maximilians-universität Würzburg
Elsässer, Dominik
Germany, Wurzburg
Julius-maximilians-universität Würzburg
Ferenc, Daniela
Croatia, Split
University of Split
Fonseca, M. V.
Spain, Madrid
Universidad Complutense de Madrid
Font, Ll L.
Spain, Barcelona
Instituto de Estudios Espaciales de Cataluña
Fruck, Christian
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
García López, Ramón J.
Spain, San Cristobal de la Laguna
Instituto Astrofisico de Canarias
Garczarczyk, Markus
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Gaug, Markus
Spain, Barcelona
Instituto de Estudios Espaciales de Cataluña
Godinović, Nikola
Croatia, Split
University of Split
González Muñoz, A.
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Gozzini, Sara Rebecca
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Hadasch, Daniela
Spain, Barcelona
Csic - Instituto de Ciencias Del Espacio Ice
Hayashida, Masaaki
Unknown Affiliation
Herrera, Juan Carlos Helo
Spain, San Cristobal de la Laguna
Instituto Astrofisico de Canarias
Herrero Davó, Artemio Alonso
Spain, San Cristobal de la Laguna
Instituto Astrofisico de Canarias
Hildebrand, Dorothée
Switzerland, Zurich
Eth Zürich
Hose, Juergen
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Hrupec, Dario
Croatia, Split
University of Split
Kadenius, Ville
Finland, Turku
Turun Yliopisto
Kellermann, Hanna
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Konno, Yusuke
Unknown Affiliation
Kubo, Hidetoshi
Unknown Affiliation
Kushida, Junko
Unknown Affiliation
La Barbera, Antonino
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Lelas, Damir
Croatia, Split
University of Split
Lewandowska, Natalia
Germany, Wurzburg
Julius-maximilians-universität Würzburg
Lindfors, Elina J.
Finland, Turku
Turun Yliopisto
Lombardi, Saverio
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
López-Moya, Marcos
Spain, Madrid
Universidad Complutense de Madrid
López-Coto, Rubén
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
López-Oramas, Alicia
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Lorenz, Eckhart
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
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
Mankuzhiyil, Nijil
Italy, Trieste
Istituto Nazionale Di Fisica Nucleare, Sezione Di Trieste
India, Mumbai
Bhabha Atomic Research Centre
Mannheim, Karl
Germany, Wurzburg
Julius-maximilians-universität Würzburg
Maraschi, Laura
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Marcote, Benito
Spain, Barcelona
Instituto de Estudios Espaciales de Cataluña
Mariotti, M.
Italy, Padua
Istituto Nazionale Di Fisica Nucleare, Sezione Di Padova
Martínez, Manel
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Mazin, Daniel
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Menzel, Uta
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Meucci, Mario
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Mirzoyan, Razmik G.
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Moralejo, Abelardo
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Munar-Adrover, Pere
Spain, Barcelona
Instituto de Estudios Espaciales de Cataluña
Maciołek-Niedźwiecki, Andrzej
Poland, Lodz
University of Lodz
Nilsson, Kari
Finland, Turku
Turun Yliopisto
Nishijima, Kyoshi
Unknown Affiliation
Noda, Koji
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Paiano, Simona
Italy, Padua
Istituto Nazionale Di Fisica Nucleare, Sezione Di Padova
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
Persic, Massimo
Italy, Trieste
Istituto Nazionale Di Fisica Nucleare, Sezione Di Trieste
Italy, Trieste
Osservatorio Astronomico Di Trieste
Prada, Francisco
Spain, Granada
Instituto de Astrofísica de Andalucía - Csic
Spain, Madrid
Universidad Autónoma de Madrid
Prada Moroni, Pier Giorgio
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Prandini, Elisa
Switzerland, Zurich
Eth Zürich
Puljak, Ivica
Croatia, Split
University of Split
Reinthal, Riho
Finland, Turku
Turun Yliopisto
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
Saggion, Antonio
Italy, Padua
Istituto Nazionale Di Fisica Nucleare, Sezione Di Padova
Scalzotto, Villi
Italy, Padua
Istituto Nazionale Di Fisica Nucleare, Sezione Di Padova
Schweizer, Thomas
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Shore, Steven N.
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Sillanp̈äa, Aimo K.
Finland, Turku
Turun Yliopisto
Sitarek, Julian
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Sobczyńska, Dorota
Poland, Lodz
University of Lodz
Spanier, Felix
Germany, Wurzburg
Julius-maximilians-universität Würzburg
Stamerra, Antonio
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Steinbring, T.
Germany, Wurzburg
Julius-maximilians-universität Würzburg
Takalo, Leo O.
Finland, Turku
Turun Yliopisto
Tavecchio, Fabrizio
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Terzić, Tomislav
Croatia, Split
University of Split
Teshima, Masahiro
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Tibolla, Omar
Germany, Wurzburg
Julius-maximilians-universität Würzburg
Torres, Diego F.
Spain, Barcelona
Csic - Instituto de Ciencias Del Espacio Ice
Treves, Aldo
Italy, Varese
Università Degli Studi Dell'insubria
Zanin, Roberta
Spain, Barcelona
Instituto de Estudios Espaciales de Cataluña
Buson, Sara
Italy, Padua
Istituto Nazionale Di Fisica Nucleare, Sezione Di Padova
Borghese, Alice
Netherlands, Amsterdam
Universiteit Van Amsterdam
Statistics
Citations: 14
Authors: 119
Affiliations: 31
Identifiers
Doi:
10.1093/mnras/stu2024
ISSN:
00358711
Research Areas
Environmental
Study Design
Cross Sectional Study