Hoyle-Lyttleton accretion on to black hole accretion disks with super-Eddington luminosity for dusty gas

Abstract

We investigate the Hoyle-Lyttleton accretion of dusty-gas for the case where the central source is the black hole accretion disk. By solving the equation of motion taking into account the radiation force which is attenuated by the dust absorption, we reveal the steady structure of the flow around the central object. We find that the mass accretion rate tends to increase with an increase of the optical thickness of the flow and the gas can accrete even if the disk luminosity exceeds the Eddington luminosity for the dusty-gas, since the radiation force is weakened by the attenuation via the dust absorption. When the gas flows in from the direction of the rotation axis for the disk with ${\Gamma }^{{}^{\prime }}=3.0$, the accretion rate is about 93% of the Hoyle-Lyttleton accretion rate if ${\tau }_{\mathrm{HL}}=3.3$ and zero for ${\tau }_{\mathrm{HL}}=1.0$, where ${\Gamma }^{{}^{\prime }}$ is the Eddington ratio for the dusty-gas and ${\tau }_{\mathrm{HL}}$ is the typical optical thickness of the Hoyle-Lyttleton radius. Since the radiation flux in the direction of disk plane is small, the radiation force tends not to prevent gas accretion from the direction near the disk plane. For ${\tau }_{\mathrm{HL}}=3.3$ and ${\Gamma }^{{}^{\prime }}=3.4$, although the accretion is impossible in the case of $\Theta =0$, the accretion rate is 28% of the Hoyle-Lyttleton one in the case of $\Theta =90$, where $\Theta$ is the angle between the direction the gas is coming from and the rotation axis of the disk. We also obtain relatively high accretion luminosity that is realized when the accretion rate of the disk onto the BH is consistent with that via the Hoyle-Lyttleton mechanism taking into account the effect of radiation. This implies the intermediate-mass black holes moving in the dense dusty-gas are identified as luminous objects in the infrared band.

arXiv comment14 pages, 8 figures, accepted for publication in PASJ

References in corpus (27)

• The Molecular Interstellar Medium in Ultraluminous Infrared Galaxies
• GW190412: Observation of a Binary-Black-Hole Coalescence with Asymmetric Masses
• New Interstellar Dust Models Consistent with Extinction, Emission, and Abundance Constraints
• BlackCAT: A catalogue of stellar-mass black holes in X-ray transients
• A dusty, normal galaxy in the epoch of reionization
• Detection of an oxygen emission line from a high redshift galaxy in the reionization epoch
• Accretion onto Intermediate Mass Black Holes Regulated by Radiative Feedback I. Parametric Study for Spherically Symmetric Accretion
• Accretion onto Intermediate-Mass Black Holes in Dense Protogalactic Clouds
• X-Rays from Isolated Black Holes in the Milky Way
• Hierarchical Black-Hole Mergers in Multiple Systems: Constrain the Formation of GW190412, GW190814 and GW190521-like events
• Accretion onto Black Holes from Large Scales Regulated by Radiative Feedback. II. Growth Rate and Duty Cycle
• Formation of GW190521 via gas accretion onto Population III stellar black hole remnants born in high-redshift minihalos
• Accretion onto Black Holes from Large Scales Regulated by Radiative Feedback. III. Enhanced Luminosity of Intermediate Mass Black Holes Moving at Supersonic Speeds
• Signature of an Intermediate-Mass Black Hole in the Central Molecular Zone of Our Galaxy
• Millimetre-wave Emission from an Intermediate-Mass Black Hole Candidate in the Milky Way
• Rapid Black Hole Growth under Anisotropic Radiation Feedback
• Indication of Another Intermediate-mass Black Hole in the Galactic Center
• Rapid growth of black holes accompanied with hot or warm outflows exposed to anisotropic super-Eddington radiation
• Kinematics of Shocked Molecular Gas Adjacent to the Supernova Remnant W44
• Simulation of a Compact Object with Outflows Moving Through a Gaseous Background
• Growth of stellar mass black holes in dense molecular clouds and GW190521
• Super-Eddington mass growth of intermediate-mass black holes embedded in dusty circumnuclear disks
• Structure and Instability of the Ionization Fronts around Moving Black Holes
• Dusty Gas Accretion onto Massive Black Holes and Infrared Diagnosis of the Eddington Ratio
• Discovery of Two Small High-Velocity Compact Clouds in the Central 10 Parsecs of Our Galaxy
• Kinematics of Ultra-High-Velocity Gas in the Expanding Molecular Shell adjacent to the W44 Supernova Remnant
• Hoyle-Lyttleton Accretion onto Accretion Disks

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