Astronomy and Astrophysics – Astrophysics
Scientific paper
2008-01-09
Astronomy and Astrophysics
Astrophysics
ApJ Letters, accepted for publication
Scientific paper
10.1086/529374
We report on time-dependent axisymmetric simulations of an X-ray excited flow from a parsec-scale, rotating, cold torus around an active galactic nucleus. Our simulations account for radiative heating and cooling and radiation pressure force. The simulations follow the development of a broad bi-conical outflow induced mainly by X-ray heating. We compute synthetic spectra predicted by our simulations. The wind characteristics and the spectra support the hypothesis that a rotationally supported torus can serve as the source of a wind which is responsible for the warm absorber gas observed in the X-ray spectra of many Seyfert galaxies.
Dorodnitsyn Anton
Kallman Tim
Proga Daniel
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