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- W1946131512 abstract "We present calculations of AGN winds at approximate parsec scales, along with the associated obscuration. We take into account the pressure of infrared radiation on dust grains and the interaction of X-rays from a central black hole with hot and cold plasma. Infrared radiation (IR) is incorporated in radiation-hydrodynamic simulations adopting the flux-limited diffusion approximation. We find that in the range of X-ray luminosities L=0.05 - 0.6L(sub Edd) the Compton-thick part of the flow (aka torus) has an opening angle of approximately 72◦ −75◦ regardless of the luminosity. At L 0.1 the outflowing dusty wind provides the obscuration with IR pressure playing a major role. The global flow consists of two phases: the cold flow at inclinations (theta) greater than or approximately 70◦ and a hot, ionized wind of lower density at lower inclinations. The dynamical pressure of the hot wind is important in shaping the denser IR supported flow. At luminosities less than or equal to 0.1L(sub Edd) episodes of outflow are followed by extended periods when the wind switches to slow accretion." @default.
- W1946131512 created "2016-06-24" @default.
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- W1946131512 date "2012-11-27" @default.
- W1946131512 modified "2023-10-16" @default.
- W1946131512 title "AGN Obscuration from Winds: From Dusty Infrared-Driven to Warm and X-Ray Photoionized" @default.
- W1946131512 hasPublicationYear "2012" @default.
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