A Dipole Vortex Model of Obscuring Tori in Active Galaxy Nuclei

Details A Dipole Vortex Model of Obscuring Tori in Active Galaxy Nuclei A Dipole Vortex Model of Obscuring Tori in Active Galaxy Nuclei

2007-07-10

arxiv.org/abs/0707.1478v1

Astron.Rep.51:264-273,2007

Astronomy and Astrophysics

Astrophysics

17 pages, 11 figures, version of this paper is published in Astronomy Reports

Scientific paper

10.1134/S1063772907040026

The torus concept as an essential structural component of active galactic nuclei (AGN) is generally accepted. Here, the situation is discussed when the torus "twisting" by the radiation or wind transforms it into a dipole toroidal vortex which in turn can be a source of matter replenishing the accretion disk. Thus emerging instability which can be responsible for quasar radiation flares accompanied by matter outbursts is also discussed. The "Matreshka" scheme for an obscuring vortex torus structure capable of explaining the AGN variability and evolution is proposed. The model parameters estimated numerically for the luminosity close to the Eddington limit agree well with the observations.

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