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astro-ph2003
How relevant is the torus activity/geometry for the TeV gamma-rays emitted in the jet of M87 ?
A. -C. Donea, R. J. Protheroe
Motivated by unification schemes of active galactic nuclei, we review evidence for the existence of a small-scale dust torus in M87, a Fanaroff-Riley Class I radio galaxy. Since th…
astro-ph1999
Disks with Jet, ADAF, or EDAF for Sgr A*
A. C. Donea, Heino Falcke, P. L. Biermann
We investigate various models of accretion disks for Sgr A*, one of the most puzzling sources in the Galaxy. The generic image we have taken into account consists of a black hole,…