Lepto-hadronic modelling of blazar emission

Details Lepto-hadronic modelling of blazar emission Lepto-hadronic modelling of blazar emission

2011-11-02

arxiv.org/abs/1111.0557v1

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

4 pages, 1 figure; proceeding of the SF2A 2011 meeting

Scientific paper

The characteristic double-bumped spectral energy distribution (SED) of blazars is explained by either leptonic or hadronic models. In the former, Inverse Compton emission dominates the emission of the high energy bump, while proton synchrotron emission and proton-gamma interactions dominate it in the latter. We present a new stationary lepto-hadronic code that evaluates both the leptonic and the hadronic interactions. Apart from the modelling of the SED produced in a leptonic or hadronic model, the code permits the study of interesting mixed lepto-hadronic scenarios, where both processes contribute significantly to the high energy bump. A first application to data from the high frequency peaked BL Lac object PKS 2155-304 is discussed.

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