Bonn 2010 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 95: Gammaastronomie IV

T 95.3: Vortrag

Donnerstag, 18. März 2010, 17:15–17:30, JUR F

Modelling the emission of blazar jets - the case of PKS2155 — •Matthias Weidinger and Felix Spanier — ITPA Universität Würzburg, Würzburg, Deutschland

Here a fully self-consistent extension to the SSC model with particle acceleration due to shock and stochastic acceleration (Fermi-I and Fermi-II processes respectively) is presented. In contrast to onezone SSC models the model parameters arise from the jet's microphysics and the electron spectrum is evolving directly from diffusion and shock acceleration. Thus justifying the powerlaw electron spectra often used in SSC models to explain the observed spectral energy distribution from blazars. By solving the kinetic equations timedependently the model is also able to explain the highly variable lightcurves as observed e.g. from PKS2155 in 2006 by the H.E.S.S. elescope.