Hydrodynamic Studies of Turbulent AGN Tori

Details Hydrodynamic Studies of Turbulent AGN Tori Hydrodynamic Studies of Turbulent AGN Tori

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011eas....44...69s&link_type=abstract

EAS Publications Series, Volume 44, 2011, pp.69-72

Computer Science

Scientific paper

Recently, the MID-infrared Interferometric instrument (MIDI) at the VLTI has shown that dust tori in the two nearby Seyfert galaxies NGC 1068 and the Circinus galaxy are geometrically thick and can be well described by a thin, warm central disk, surrounded by a colder and fluffy torus component. By carrying out hydrodynamical simulations with the help of the TRAMP code (Klahr et al. 1999), we follow the evolution of a young nuclear star cluster in terms of discrete mass-loss and energy injection from stellar processes. This naturally leads to a filamentary large scale torus component, where cold gas is able to flow radially inwards. The filaments join into a dense and very turbulent disk structure. In a post-processing step, we calculate spectral energy distributions and images with the 3D radiative transfer code MC3D Wolf (2003) and compare them to observations. Turbulence in the dense disk component is investigated in a separate project.

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