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A synchrotron self-Compton scenario for the very high energy γ-ray emission of the radiogalaxy M 87

2007; EDP Sciences; Volume: 478; Issue: 1 Linguagem: Inglês

10.1051/0004-6361

1432-0746

J.-P. Lenain, C. Boisson, H. Sol, K. Katarzyński,

Neutrino Physics Research

Context.M 87 is the first extragalactic source detected in the TeV range that is not a blazar. With the increasing performances of ground-based Čerenkov telescopes, we can now probe the variability in the γ-ray flux on small timescales, thus putting strong constraints on the size of the emitting zone. The large scale jet of M 87 is misaligned with respect to the line of sight. A modification of standard emission models of TeV blazars appears necessary to account for the γ-ray observations despite this misalignment.