Probing the central black hole in M87 with gamma-rays

Abstract

Recent high-sensitivity observation of the nearby radio galaxy M87 have provided important insights into the central engine that drives the large-scale outflows seen in radio, optical and X-rays. This review summarizes the observational status achieved in the high energy (HE;<100 GeV) and very high energy (VHE; >100 GeV) gamma-ray domains, and discusses the theoretical progress in understanding the physical origin of this emission and its relation to the activity of the central black hole.

Invited compact review to be published in Modern Physics Letters A; 19 pages, 4 figures

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• Magnetization degree at the jet base of M87 derived from the event horizon telescope data: Testing magnetically driven jet paradigm
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• Radio Galaxies at VHE energies
• Relativistic electrons and magnetic field of the M87 jet on ~ten Schwarzschild radii scale
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