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Modeling of the multiwavelength emission of M87 with H.E.S.S. observations

2007/09/15 by J.-P. Lenain, Jean-Philippe Lenain, Lenain, Jean-Philippe
Engineering · Physics and Astronomy · #Astrophysics (astro-ph) #Astrophysics and Cosmic Phenomena #FOS: Physical sciences #Particle Accelerators and Free-Electron Lasers #Radio Astronomy Observations and Technology #astro-ph

paper · pdf · doi:10.48550/arxiv.0709.2398

4 pages, 4 figures; to appear in "SF2A 2007 proceedings", eds. J. Bouvier, A. Chalabaev and C. Charbonnel

arxiv created 2007/09/15 · openalex publication_date 2007/09/15 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

M87 is the first extragalactic source detected in the TeV range that is not a blazar. The large scale jet of M87 is not aligned with the line of sight. Modification of standard emission models of TeV blazars appears necessary to account for the gamma-ray observations made by H.E.S.S. despite this misalignment. We present a new multi-blob synchrotron self-Compton model that deals explicitly with large viewing angles and moderate values of the Lorentz factor inferred from MHD simulations of jet formation.

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