A model for the spectrum of the inner jets of Cen A

M. ORELLANA; G.E. ROMERO

Arequipa, Perú

Otro; Third School on Cosmic Rays and Astrophysics; 2008

Universidad Nacional de San Agustín y Universidad Nacional de Ingenieria del Perú

Centaurus A, the closest active galaxy, has been detected from radio to high-energy gamma-rays.The synchrotron radiation by extremely high energy protons may be a suitable mechanism to explain the MeV to GeV emission detected by the instruments of the Compton Gamma-Ray Observatory, as coming from the inner jets. This scenario requires a relatively large magnetic field of about 10^4 G that could be present only close to the central BH. We investigate the spectral energy distribution (SED) resulting from a one-zone compact acceleration region, where both leptonic and hadronic relativistic populations arise.We present here preliminary results of such a model.