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Galaxies 2016, 4(4), 69; doi:10.3390/galaxies4040069

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

1
Inst. de Astrofísica de Canarias, E-38200 La Laguna, and Universidad de La Laguna, Dpto. Astrofísica, E-38206 La Laguna, Tenerife, Spain
2
Deutsches Elektronen-Synchrotron (DESY), D-15738 Zeuthen, Germany
3
Department of Physics, Technical University of Dortmund, Dortmund D-44221, Germany
4
INFN Padova, I-35131 Padova, Italy
5
Department of Physics and Astronomy, University of Turku, 20500 Turku, Finland
6
ASI Science Data Center and INFN, 06123 Perugia, Italy
7
CEN Bordeaux-Gradignan, 33170 Gradignan, France
8
Department of Atomic Molecular and Nuclear Physics, Universidad Complutense, E-28040 Madrid, Spain
9
NASA’s Goddard Space Flight Center, Greenbelt, MD 20771, USA
10
Max Planck Institut für Radioastronomie (MPIfR), 53121 Bonn, Germany
11
Crimean Astrophysics Observatory, 98409 Nauchny, Crimea, Russia
12
Harvard-Smithsonian CfA, Cambridge, MA 02138, USA
13
Metsähovi Radio Observatory, Aalto University, FI-02540 Kylmälä, Finland
14
Department of Physical Science, Hiroshima University, Higashi-hiroshima 739-8526, Japan
15
Institute for Astrophysical Research, Boston University, Boston, MA 02215, USA
16
Mullard Space Science Lab., University College London, RH5 6NT Dorking, UK
17
Department of Radio Science and Engineering, Aalto University, FI-00076 Aalto, Finland
18
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
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)
View Full-Text   |   Download PDF [8740 KB, uploaded 24 November 2016]   |  

Abstract

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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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

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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