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Multiwavelength Picture of the Blazar S5 0716+714 during Its Brightest Outburst

Inst. de Astrofísica de Canarias, E-38200 La Laguna, and Universidad de La Laguna, Dpto. Astrofísica, E-38206 La Laguna, Tenerife, Spain
Deutsches Elektronen-Synchrotron (DESY), D-15738 Zeuthen, Germany
Department of Physics, Technical University of Dortmund, Dortmund D-44221, Germany
INFN Padova, I-35131 Padova, Italy
Department of Physics and Astronomy, University of Turku, 20500 Turku, Finland
ASI Science Data Center and INFN, 06123 Perugia, Italy
CEN Bordeaux-Gradignan, 33170 Gradignan, France
Department of Atomic Molecular and Nuclear Physics, Universidad Complutense, E-28040 Madrid, Spain
NASA’s Goddard Space Flight Center, Greenbelt, MD 20771, USA
Max Planck Institut für Radioastronomie (MPIfR), 53121 Bonn, Germany
Crimean Astrophysics Observatory, 98409 Nauchny, Crimea, Russia
Harvard-Smithsonian CfA, Cambridge, MA 02138, USA
Metsähovi Radio Observatory, Aalto University, FI-02540 Kylmälä, Finland
Department of Physical Science, Hiroshima University, Higashi-hiroshima 739-8526, Japan
Institute for Astrophysical Research, Boston University, Boston, MA 02215, USA
Mullard Space Science Lab., University College London, RH5 6NT Dorking, UK
Department of Radio Science and Engineering, Aalto University, FI-00076 Aalto, Finland
Astronomical Institute, St.-Petersburg State University, St.-Petersburg 198504, Russia
Author to whom correspondence should be addressed.
Academic Editors: Jose L. Gómez, Alan Marscher and Svetlana G. Jorstad
Galaxies 2016, 4(4), 69;
Received: 15 July 2016 / Revised: 11 November 2016 / Accepted: 17 November 2016 / Published: 24 November 2016
(This article belongs to the Special Issue Blazars through Sharp Multi-wavelength Eyes)
S5 0716+714 is a well known BL Lac object, and one of the brightest and most active blazars. The discovery in the Very High Energy band (VHE, E > 100 GeV) by MAGIC happened in 2008. In January 2015, the source went through the brightest optical state ever observed, triggering MAGIC follow-up and a VHE detection with ∼ 13 σ significance (ATel 6999 ). Rich multiwavelength coverage of the flare allowed us to construct the broad-band spectral energy distribution of S5 0716+714 during its brightest outburst. In this work, we will present the preliminary analysis of MAGIC and Fermi-LAT data of the flaring activity in January and February 2015 for the HE (0.1 < HE < 300 GeV) and VHE band, together with radio (Metsähovi, OVRO, VLBA, Effelsberg), sub-millimeter (SMA), optical (Tuorla, Perkins, Steward, AZT-8+ST7, LX-200, Kanata), X-ray and UV (Swift-XRT and UVOT), in the same time-window and discuss the time variability of the multiwavelength light curves during this impressive outburst. View Full-Text
Keywords: BL Lacertae objects: individual: S5 0716+714; Galaxies: active; gamma-rays: galaxies BL Lacertae objects: individual: S5 0716+714; Galaxies: active; gamma-rays: galaxies
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Manganaro, M.; Pedaletti, G.; Doert, M.; Bastieri, D.; Fallah Ramazani, V.; Gasparrini, D.; Lindfors, E.; Lott, B.; Nievas, M.; Rani, B.; Thompson, D.J.; Angelakis, E.; Borman, G.; Gurwell, M.; Hovatta, T.; Itoh, R.; Jorstad, S.; Kraus, A.; Krichbaum, T.P.; Kuin, P.; Lähteenmäki, A.; Larionov, V.; Lien, A.Y.; Myserlis, I.; Tornikoski, M.; Troitsky, I.; Zensus, J.A.; The MAGIC and -LAT Collaborations. Multiwavelength Picture of the Blazar S5 0716+714 during Its Brightest Outburst. Galaxies 2016, 4, 69.

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