Modeling the April 1997 flare of Mkn 501

Details Modeling the April 1997 flare of Mkn 501 Modeling the April 1997 flare of Mkn 501

1999-10-26

arxiv.org/abs/astro-ph/9910460v2

Astronomy and Astrophysics

Astrophysics

5 pages, 5 figures, to appear in: "GeV-TeV Astrophysics: Toward a Major Atmospheric Cherenkov Telescope VI", Snowbird, Utah (A

Scientific paper

10.1063/1.1291360

The April 1997 giant flare of Mkn 501 is modelled by a stationary Synchrotron-Proton-Blazar model. Our derived model parameters are consistent with X-ray-to-TeV-data in the flare state and diffusive shock acceleration of electron and proton in a Kolmogorov/Kraichnan turbulence sprectrum. While the emerging pair-synchrotron cascade spectra initiated by photons from neutral pi-decay and electrons from pi+- --> mu+- --> e+- decay turn out to be relatively featureless, muon and proton synchrotron radiation and their cascade radiation produce a double-humped spectral energy distribution. For the present model we find proton synchrotron radiation to dominate the TeV emission, while the contribution from the synchrotron radiation of the pairs, produced by the high energy hump, is only minor.

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