Advection-Dominated Accretion: Self-Similarity and Bipolar Outflows

Abstract

We consider axisymmetric viscous accretion flows where a fraction f of the viscously dissipated energy is advected with the accreting gas as stored entropy and a fraction 1-f is radiated. When f is small (i.e. very little advection), our solutions resemble standard thin disks in many respects except that they have a hot tenuous corona above. In the opposite {\it advection-dominated} limit ($f\to 1$), the solutions approach nearly spherical accretion. The gas is almost at virial temperature, rotates at much below the Keplerian rate, and the flow is much more akin to Bondi accretion than to disk accretion. We compare our exact self-similar solutions with approximate solutions previously obtained using a height-integrated system of equations. We conclude that the height- integration approximation is excellent for a wide range of conditions. We find that the Bernoulli parameter is positive in all our solutions, especially close to the rotation axis. This effect is produced by viscous transport of energy from small to large radii and from the equator to the poles. In addition, all the solutions are convectively unstable and the convection is especially important near the rotation axis. For both reasons we suggest that a bipolar outflow will develop along the axis of the flows, fed by material from the the surface layers of the equatorial inflow.

22 Pages, 5 Figures are available by request to [email protected], Plain Tex, CfA Preprint No. 3931, To Appear in Astrophysical Journal 5/1/95

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• Global Transonic Solution of Hot Accretion Flow with Thermal Conduction
• Dynamics of Hot Accretion Flow with Thermal Conduction
• Component of energy flow from supercritical accretion disks around rotating stellar mass black holes
• Coronae above accretion disks around black holes: The effect of Compton cooling
• Electromagnetic vs. Lense-Thirring alignment of black hole accretion discs
• X-ray Line Diagnostics of Hot Accretion Flows around Black Holes
• Force-feeding Black Holes
• Global Slim Accretion Disk Solutions Revisited
• A new feedback cycle in the archetypal cooling flow group NGC 5044
• The self-similar structure of advection-dominated discs with outflow and radial viscosity
• The content of astrophysical jets
• Self-similar structure of magnetized ADAFs and CDAFs
• The Effects of Magnetic Field Strength on Properties of Wind Generated from Hot Accretion Flow
• X-ray active galactic nuclei in the core of the Perseus cluster
• A physical model for active galactic nuclei with double-peaked broad emission lines
• X-Ray spectra from accretion disks illuminated by protons
• Supermassive Black Holes and Galaxy Morphology
• Relativistic Outflows from Advection-Dominated Accretion Disks around Black Holes
• Prototyping non-equilibrium viscous-timescale accretion theory using LMC X-3
• Impact of Accretion Flow Dynamics on Gas-dynamical Black Hole Mass Estimates
• Comparison between RHD simulation of supercritical accretion flows and steady model with outflows
• Exploring the disc/jet interaction in the radio-loud quasar 4C +74.26 with Suzaku
• Time-Dependent of Accretion Flow with Toroidal Magnetic Field
• Internal gamma gamma-opacity in Active Galactic Nuclei and the consequences for the TeV observations of M87 and Cen A
• Superradiance in massive vector fields with spatially varying mass
• Role of thermal conduction in an advective accretion with bipolar outflows
• Paving the way to simultaneous multi-wavelength astronomy
• Jet Signatures in the Spectra of Accreting Black Holes
• The 2D disk structure with advective transonic inflow-outflow solutions around black holes
• Equilibria of a Self-Gravitating, Rotating Disk Around a Magnetized Compact Object
• Gamma-rays as a diagnostic of the origin of core radiation in low-luminosity active galactic nuclei
• Gap-type Particle Acceleration in the Magnetospheres of Rotating Supermassive Black Holes
• The Nuclear Region of Low Luminosity Flat Radio Spectrum Sources. II. Emission-Line Spectra
• Rapid Spectral Changes of Cygnus X-1 in the Low/Hard State with Suzaku
• Constraining the Coronal Heights and Readjustment Velocities Based on the Detection of a Few Hundred Seconds Delays in the Z Source GX 17+2
• Radiation Spectra from Advection-Dominated Accretion Flows in a Global Magnetic Field
• Why Canonical Disks Cannot Produce Advection Dominated Flows
• How the super-Eddington regime affects black hole spin evolution in high-redshift galaxies
• Constraints on the Viscosity and Magnetic Field in Hot Accretion Flows around Black Holes
• The hard X-ray view of the low-luminosity blazar in the radio galaxy NGC6251
• The Origin of High Energy Emission in the Young Radio Source PKS 1718-649
• Mechanical heating by active galaxies
• Constraining Radiatively Inefficient Accretion Flows with Polarization
• New closed analytical solutions for geometrically thick fluid tori around black holes: Numerical evolution and the onset of the magneto-rotational instability
• Restrictions on the Physical Prescription for the Viscosity in Advection-Dominated Accretion Disks
• Multi-wavelength light curve evolution of Swift J1357.2-0933 during its 2011 outburst
• Self-similar structure of a hot magnetized flow with thermal conduction
• Does the Mass Accretion Rate Depend On the Radius of the Accreting Star?
• Bending Instability of an Accretion Disc Around a Black Hole
• Accretion models of Sgr A*
• Interaction of the accretion flows in corona and disk near the black hole in AGN
• How does an asymmetric magnetic field change the vertical structure of a hot accretion flow?
• The Chandra High Resolution X-ray Spectrum of Quiescent Emission from Sgr A*
• Mechanical feedback from black hole accretion as an energy source of core-collapse supernova explosions
• Toward a Larger Sample of Radio Jets from Quiescent Black Hole X-ray Binaries
• Cosmic rays from the nearby starburst galaxy NGC 253: the effect of a low luminosity active galactic nucleus
• Constraining the central engine of radio-loud AGNs
• New Analytical Formulae for Optically-Thin Accretion Flows
• Accretion flows in early-type galaxies and CMB experiments
• On the dynamics of clouds in the broad-line region of AGNs with an ADAF atmosphere
• The Fermi-LAT view of the changing-look blazar OQ 334
• Impacts of nonthermal emission on the images of a black hole shadow and extended jets in two-temperature GRMHD simulations
• Ion-dominated plasma and the origin of jets in quasars
• Discovery of a Nuclear X-Ray Source in NGC 7331: Evidence for a Massive Black Hole
• Radio emission and jets from microquasars
• Two temperature viscous accretion flows around rotating black holes: Description of under-fed systems to ultra-luminous X-ray sources
• On the Eddington limit for relativistic accretion discs
• Winds and feedback from supermassive black holes accreting at low rates: Hydrodynamical treatment
• Electromagnetic transients and gravitational waves from white dwarf disruptions by stellar black holes in triple systems
• Criterion for Generation of Winds from Magnetized Accretion Disks
• Why Do We See So Few Black Holes in Massive Binaries?
• Possible Evidence for a Truncated Thin Disk in Seyfert 1 Galaxy NGC4593
• Thermal Equilibrium Solutions of Black Hole Accretion Flows: Outflows VS Advection
• Two-dimensional Inflow-outflow Solution of Supercritical Accretion Flow
• The Dynamics of Truncated Black Hole Accretion Disks I: Viscous, Hydrodynamic Case
• Hydromagnetics of advective accretion flows around black holes: Removal of angular momentum by large scale magnetic stresses
• 2.5-dimensional solution of the advective accretion disk: A self-similar approach
• Reprocessing of radiation by multi-phase gas in Low Luminosity Accretion Flows
• Synchrotron Emission from Hot Accretion Flows and the Cosmic Microwave Background Anisotropy
• Can Self Organized Critical Accretion Disks Generate a Log-normal Emission Variability in AGN?
• The effects of toroidal magnetic field on the vertical structure of hot accretion flows
• Time-dependent evolution of quasi-spherical, self-gravitating accretion flow
• eROSITA Final Equatorial-Depth Survey (eFEDS): eFEDS X-ray view of WERGS Radio Galaxies selected by the Subaru/HSC and VLA/FIRST survey
• Gravitational Waves from Hyper-Accretion onto Nascent Black Holes
• Unipolar outflows and global meridional circulations in rotating accretion flows
• Analytical solution for the structure of ADAFs
• Boundary Layer Self-Similar Solution for the Hot Radiative Accretion onto a Rapidly Spinning Neutron Star
• The MURALES survey. VII. Optical spectral properties of the nuclei of 3C radio sources at 0.3<z<0.82
• Nonthermal processes and neutrino emission from the black hole GRO J0422+32 in a bursting state
• Magnetically driven outflows in 3D common-envelope evolution of massive stars
• Theory of disk accretion onto supermassive black holes
• A model for the radio/X-ray correlation in three neutron star low-mass X-ray binaries 4U 1728-34, Aql X-1 and EXO 1745-248
• Alignment and precession of a black hole misaligned with its accretion disc: Application to Low Mass X-ray Binaries
• Hydrodynamics of Accretion onto Black Holes
• Influence of the turbulent magnetic pressure on isothermal jet emitting disks
• The changing ISM of massive elliptical galaxies and cosmic evolution of radio galaxies and quasars
• Advection-dominated accretion flow for the varied transition luminosities in black hole X-ray binaries
• Structure of ADAFs in a general large-Scale B-field: The role of wind and thermal conduction
• A novel Bayesian approach for decomposing the radio emission of quasars: II. Link between quasar radio emission and black hole mass
• The LLAGN in the centre of the Galaxy
• X-ray Images of Hot Accretion Flows
• Multi-dimensional Treatment of Photon Emission from Accretion Disks around Black Holes
• Radio/X-Ray Luminosity Relation for X-Ray Bright Galactic Nuclei: Implications on Weighing Supermassive Black Hole
• Vertical structure of Advection dominated Accretion Flows
• Two-dimensional Inflow-Wind Solution of Hot Accretion Flow. I. Hydrodynamics
• Magnetohydrodynamic numerical simulation of the outflows driven by magnetic field and radiation force from the corona above a thin disk
• Multifrequency Very Long Baseline Interferometry Imaging of the Subparsec-scale Jet in the Sombrero Galaxy (M104)
• Effects of wind on radiation spectra from magnetized accretion disks
• Far-UV Emission Properties of FR1 Radio Galaxies
• Viscous-Resistive ADAF with a general Large-Scale Magnetic Field
• Inflowing Gas in the Central Parsec of M81
• Exact analytical solutions for ADAFs
• Evidence for Low Universal Equilibrium Black Hole Spin in Luminous Magnetically Arrested Disks
• Accretion flows in the hard state of black hole X-ray binaries: the effect of hot gas condensation
• A two-fluid model for black-hole accretion flows: particle acceleration and disc structure
• Sgr A* as probe of the theory of supermassive compact objects without event horizon
• Accretion flows with comparable radiation and gas pressures
• Hot Settling Accretion Flow onto a Spinning Black Hole
• The influence of outflow in supercritical accretion flows
• Cooling a Hot Disk Around a Supermassive Black Hole by a Star
• Effect of generic dark matter halo on transonic accretion onto galactic black holes
• Self-similar solutions for finite size advection-dominated accretion flows
• Line profile of nuclear de-excitation gamma-ray emission from very hot plasma
• First-principles measurement of ion and electron energization in collisionless accretion flow
• On the Relative Surface Density Change of Thermally Unstable Accretion Disks
• Vertically Self-Gravitating ADAFs in the Presence of Toroidal Magnetic Field
• Viscosity-Driven Winds from Magnetized Accretion Disks
• Magnetic Coupling of a Rotating Black Hole with Advection-Dominated Accretion Flows
• Dimming GRS 1915+105 observed with NICER and Insight--HXMT
• Review: Accretion Disk Evolution in Tidal Disruption Events
• X-Ray Lines from Hot Flows around White Dwarfs. Application to SS Cygni
• H1821+643: The most X-ray and infrared luminous AGN in the Swift/BAT survey in the process of rapid stellar and supermassive black hole mass assembly
• Steady jet ejections from the innermost region of advection-dominated accretion flow around a black hole
• Outer disc edge: properties of low frequency aperiodic variability in ultracompact interacting binaries
• Jet launching and field advection in quasi-Keplerian discs
• Accretion Disc-Jet Couplings in X-ray Binaries
• Black Holes LIGO/Virgo Domination and Single-lined Binaries with a Black Hole Candidate Component
• Nuclear $\gamma$-ray emission from very hot accretion flows
• Lithium production on a low-mass secondary in a black hole soft X-ray transient
• Accretion rates of stellar-mass compact objects embedded in AGN discs
• Anchoring polar magnetic field in a stationary thick accretion disk
• Two Types of Magnetohydrodynamic Sheath Jets
• Accretion Disks Around Black Holes: Twenty Five Years Later
• Second-generation planet formation after tidal disruption from common envelope evolution
• An analytic relation for the thickness of accretion flows
• Amoeba: An AGN Model of Optical Emissions Beyond steady-state Accretion discs
• Time dependence of advection dominated accretion flow around a rotating compact object
• No dependence of radio properties of brightest group galaxies on the luminosity gap
• Accretion with two-phase gas supply and its application in black hole X-ray binaries
• Flares from Galactic centre pulsars: a new class of X-ray transients?
• Gravitational radiation from highly magnetized nascent neutron stars in supernova remnants
• Appearance of Jet-Driving Poynting Flux in Hot, Tenuous Accretion Disks Threaded by an Ordered Magnetic Field
• Heating or Cooling: Study of Advective Heat Transport in the Inflow and the Outflow of Optically Thin Advection-dominated Accretion Flows
• Signatures of Energetic Protons in Hot Accretion Flows: Synchrotron Cooling of Protons in Strongly Magnetized Pulsars
• Radio Emission from Sgr A*: Pulsar Transits Through the Accretion Disc
• A magnetic model for low/hard state of black hole binaries
• XMM-Newton spectrum of the radio-loud quasar 3C 215: slim accretion disk or SMBH binary?
• Algorithms and radiation dynamics for the vicinity of black holes I. Methods and codes
• Results from Long-Term Optical Monitoring of the Soft X-Ray Transient SAX J1810.8-2609
• Fourier analysis of advection-dominated accretion flows
• Radio emission and jets from Galactic microquasars
• The High Energy View of FR0 Radio Galaxies
• Kinetic Effects on Turbulence Driven by the Magnetorotational Instability in Black Hole Accretion
• Self-similar solution of hot accretion flow: the role of kinematic viscosity coefficient
• X-ray and UV correlation in the quiescent emission of Cen X-4, evidence of accretion and reprocessing
• Time variability of viscosity parameter in differentially rotating discs
• Hydrodynamics of Collisions and Close Encounters between Stellar Black Holes and Main-sequence Stars
• Multiwavelength analysis as a probe of accretion and radiative processes in LINERs
• Luminous Fast Blue Optical Transients and Type Ibn/Icn SNe from Wolf-Rayet/Black Hole Mergers
• Global Operation of Resistive, Radiation-Inefficient, Accretion Flows in Preparing Jet-Driving Circumstances
• Ergomagnetosphere, Ejection Disc, Magnetopause in M87. I Global Flow of Mass, Angular Momentum, Energy and Current
• Accelerated protons produced by magnetic Penrose process in Sgr A*
• A unified framework for hot accretion flows with finite angular momentum: from Bondi-like to disc-like regimes
• A Hydrodynamical Thermal Irradiated Wind from the Outer Thin Accretion Disk in Low-luminosity Active Galactic Nuclei
• Generalized Bondi Accretion Flow with and without Outflow
• Impacts of radiative cooling on the images of a black hole shadow and extended jets in two-temperature GRMHD simulations
• Radiative cooling effects on black hole hot accretion flows around the sub-Bondi radius
• A novel sub-grid model for super-Eddington accretion of spinning black holes in galaxy-scale simulations
• Searching for Isolated Black Hole Candidates within 15 pc of the Solar System in Gaia DR3