The Aftermath of an Exceptional TeV Flare in the AGN Jet of IC 310

Dorit Eisenacher, Pierre Colin, Saverio Lombardi, Julian Sitarek, Fabio Zandanel, Francisco Prada, Elina Linfors, David Paneque, Dominik Elsässer, Karl Mannheim, for the MAGIC Collaboration, Cornelia Müller, for the Fermi-LAT Collaboration, Thomas Dauser, Felicia Krauß, Sven Wilbert, Matthias Kadler, Jörn Wilms, Uwe Bach, Eduardo RosTalvikki Hovatta, for the OVRO team, Tuomas Savolainen, for the MOJAVE team

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific


The nearby active galaxy IC 310 (z=0.019), located in the Perseus cluster of galaxies is a bright and variable multi-wavelength emitter from the radio regime up to very high gamma-ray energies above 100 GeV. Very recently, a blazar-like compact radio jet has been found by parsec-scale VLBI imaging. Along with the unusually flat gamma-ray spectrum and variable high-energy emission, this suggests that IC 310 is the closest known blazar and therefore a key object for AGN research. As part of an intense observing program at TeV energies with the MAGIC telescopes, an exceptionally bright flare of IC 310 was detected in November 2012 reaching a flux level of up to >0.5 Crab units above 300 GeV. We have organized a multi-wavelength follow-up program, including the VLBA, Effelsberg 100 m, KVA, Swift, INTEGRAL, Fermi/LAT, and the MAGIC telescopes. We present preliminary results from the multi-wavelength follow-up program with the focus on the response of the jet to this exceptional gamma-ray flare.
Original languageEnglish
Title of host publicationProceedings of the 33rd ICRC 2013, Rio de Janeiro
Publication statusPublished - 2013
MoE publication typeB3 Non-refereed article in conference proceedings


  • Astrophysics - High Energy Astrophysical Phenomena


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