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2DRHD Simulations of superEddington BH accretion disks

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2D-RHD Simulations of super-Eddington BH accretion disks. Ken OHSUGA (RIKEN, JAPAN) ... Accretion Disks. M- relation (see Silk & Rees 98; King 03) Conc. ... – PowerPoint PPT presentation

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Title: 2DRHD Simulations of superEddington BH accretion disks


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2D-RHD Simulations of super-Eddington BH
accretion disks Ken OHSUGA (RIKEN, JAPAN)
Ohsuga 2007, ApJ, 659, 205
Ohsuga et al. 2005, ApJ, 628, 368
Radiative Driven Outflow
z/rs
Accretion Disks
M-? relation (see Silk Rees 98 King 03)
BH
r/rs
  • Conc.
  • Quasi-steady super-Eddington disk accretion is
    possible.
  • M-? relation is established if mass-supply rate
    is several M?/yr (MBH/108 M?).
  • SMBHs can form at a short timescale of 107-8yr.
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