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arxiv: 0909.4838 · v1 · pith:TOKX62PMnew · submitted 2009-09-26 · 🌌 astro-ph.HE

Advection-Dominated Accretion Disks: Geometrically Slim or Thick?

Wei-Min Gu , Li Xue , Tong Liu , Ju-Fu Lu This is my paper
classification 🌌 astro-ph.HE
keywords disksaccretionadvection-dominatedgeometricallyslimthickadvectiveangle
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We revisit the vertical structure of black hole accretion disks in spherical coordinates. By comparing the advective cooling with the viscous heating, we show that advection-dominated disks are geometrically thick, i.e., with the half-opening angle > 2\pi/5, rather than slim as supposed previously in the literature.

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