Dynamics and formation of obscuring tori in AGNs
arXiv:1803.01668 · doi:10.3389/fspas.2017.00060
Abstract
We considered the evolution of a self-gravitating clumpy torus in the gravitational field of the central mass of an active galactic nucleus (AGN) in the framework of the N-body problem. The initial conditions take into account winds with different opening angles. Results of our N-body simulations show that the clouds moving on orbits with a spread in inclinations and eccentricities form a toroidal region. The velocity of the clouds at the inner boundary of the torus is lower than in a disk model that can explain the observed rotation curves. We discuss the scenario of torus formation related with the beginning of the AGN stage.
arXiv comment9 pages, 4 figures, Proceeding of the conference "Quasars at All Cosmic Epochs", held in Padova (Italy), April 2-7, 2017. Published in "Frontiers in Astronomy and Space Science" (available at https://doi.org/10.3389/fspas.2017.00060)
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