Search Results - "Blaes, O. M"

Oscillation modes of relativistic slender tori by Blaes, O. M., Arras, P., Fragile, P. C.

“…Accretion flows with pressure gradients permit the existence of standing waves which may be responsible for observed quasi-periodic oscillations (QPO's) in…”
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The Effects of Photon Bubble Instability in Radiation-dominated Accretion Disks by Turner, N. J, Blaes, O. M, Socrates, A, Begelman, M. C, Davis, S. W

“…We examine the effects of photon bubble instability in radiation-dominated accretion disks such as those found around black holes in active galactic nuclei and…”
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Bulk Comptonization by turbulence in accretion discs by Kaufman, J., Blaes, O. M.

“…Radiation pressure dominated accretion discs around compact objects may have turbulent velocities that greatly exceed the electron thermal velocities within…”
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The contribution of bulk Comptonization to the soft X-ray excess in AGN by Kaufman, J., Blaes, O. M., Hirose, S.

“…Abstract Bulk velocities exceed thermal velocities for sufficiently radiation pressure-dominated accretion flows. We model the contribution of bulk…”
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A simple framework for modelling the dependence of bulk Comptonization by turbulence on accretion disc parameters by Kaufman, J, Blaes, O M, Hirose, S

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Simultaneous EUVE/ASCA/RXTE Observations of NGC 5548 by Chiang, J, Reynolds, C. S, Blaes, O. M, Nowak, M. A, Murray, N, Madejski, G, Marshall, H. L, Magdziarz, P

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Global General Relativistic Magnetohydrodynamic Simulation of a Tilted Black Hole Accretion Disk by Fragile, P. Chris, Blaes, Omer M, Anninos, Peter, Salmonson, Jay D

“…This paper presents a continuation of our efforts to numerically study accretion disks that are misaligned (tilted) with respect to the rotation axis of a Kerr…”
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X-Ray Reflection from Inhomogeneous Accretion Disks. I. Toy Models and Photon Bubbles by Ballantyne, D. R, Turner, N. J, Blaes, O. M

“…Numerical simulations of the interiors of radiation-dominated accretion disks show that significant density inhomogeneities can be generated in the gas. Here,…”
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Testing Accretion Disk Theory in Black Hole X-Ray Binaries by Davis, Shane W, Done, Chris, Blaes, Omer M

“…We present results from spectral modeling of three black hole X-ray binaries: LMC X-3, GRO J1655-40, and XTE J1550-564. Using a sample of disk-dominated…”
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The UV Continuum of Quasars: Models and SDSS Spectral Slopes by Davis, Shane W, Woo, Jong-Hak, Blaes, Omer M

“…We measure long (2200-4000 AA) and short (1450-2200 AA) wavelength spectral slopes a (F sub(v) proportional to v alpha ) for quasar spectra from the Sloan…”
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Epicyclic Oscillations of Fluid Bodies: Newtonian Nonslender Torus by Blaes, Omer M, Šrámková, Eva, Abramowicz, Marek A, Kluźniak, Włodek, Torkelsson, Ulf

“…We study epicyclic oscillations of fluid tori around black holes (in the Paczynski-Wiita potential) and derive exact analytic expressions for their radial and…”
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Magnetic Pressure Support and Accretion Disk Spectra by Blaes, Omer M, Davis, Shane W, Hirose, Shigenobu, Krolik, Julian H, Stone, James M

“…Stellar atmosphere models of ionized accretion disks have generally neglected the contribution of magnetic fields to the vertical hydrostatic support, although…”
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On the stability of incompressible constant angular momentum cylinders by Blaes, O. M., Glatzel, W.

“…It is shown that incompressible cylindrical shells rotating in an external potential and having constant angular momentum distributions can be unstable with…”
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Oscillations of slender tori by BLAES, O. M

“…We present a complete analytic normal mode solution for the linear perturbations of an infinitely slender, polytropic, non-self-gravitating torus rotating with…”
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An upper limit to the growth rate of instabilities in constant specific angular momentum tori by Blaes, O. M.

“…We derive an exact upper limit for the growth rate of any unstable mode of a polytropic, non-self-gravitating torus rotating with constant specific angular…”
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Bulk Comptonization by Turbulence in Accretion Disks by Kaufman, J, Blaes, O. M

“…Radiation pressure dominated accretion discs around compact objects may have turbulent velocities that greatly exceed the electron thermal velocities within…”
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Stabilization of non-axisymmetric instabilities in a rotating flow by accretion on to a central black hole by BLAES, O. M

“…The normal modes of a sequence of two-dimensional flows around a black hole are investigated. When the flow is one of pure rotation, numerous non-axisymmetric…”
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The Effects of Magnetic Fields and Inhomogeneities on Accretion Disk Spectra and Polarization by Davis, S. W, Blaes, O. M, Hirose, S, Krolik, J. H

“…We present the results of one and three-dimensional radiative transfer calculations of polarized spectra emerging from snapshots of radiation…”
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Oscillation modes of relativistic slender tori by Blaes, O. M., Arras, P., Fragile, P. C.

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Relativistic Accretion Disk Models of High-State Black Hole X-Ray Binary Spectra by Davis, Shane W, Blaes, Omer M, Hubeny, Ivan, Turner, Neal J

“…We present calculations of non-LTE, relativistic accretion disk models applicable to the high/soft state of black hole X-ray binaries. We include the effects…”
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