The disk-torus system in active galactic nuclei: possible evidence of highly spinning black holes
arXiv:2110.00010 · doi:10.1051/0004-6361/202141602
Abstract
We study the ratio between the luminosity of the torus and that of the accretion disk, inferred from the relativistic model KERRBB for a sample of approximately 2000 luminosity-selected radio-quiet Type I active galactic nuclei from the Sloan Digital Sky Survey catalog. We find a mean ratio and a considerable number of sources with . Our statistical analysis regarding the distribution of the observed ratios suggests that the largest values might be linked to strong relativistic effects due to a large black hole spin (), despite the radio-quiet nature of the sources. The mean value of sets a constraint on the average torus aperture angle (in the range ) and, for about one-third of the sources, the spin must be . Moreover, our results suggest that the strength of the disk radiation (i.e., the Eddington ratio) could shape the torus geometry and the relative luminosity ratio . Given the importance of the involved uncertainties on this statistical investigation, an extensive analysis and discussion have been made to assess the robustness of our results.
arXiv comment13 pages, 10 figures, accepted for publication in Astronomy & Astrophysics
References in corpus (96)
- Maps of Dust IR Emission for Use in Estimation of Reddening and CMBR Foregrounds
- The Sloan Digital Sky Survey: Technical Summary
- The Wide-field Infrared Survey Explorer (WISE): Mission Description and Initial On-orbit Performance
- The Dust Content and Opacity of Actively Star-Forming Galaxies
- Unified Schemes for Radio-Loud Active Galactic Nuclei
- Composite Quasar Spectra From the Sloan Digital Sky Survey
- A Catalog of Quasar Properties from SDSS DR7
- SINGS: The SIRTF Nearby Galaxies Survey
- Spectral Energy Distributions and Multiwavelength Selection of Type 1 Quasars
- Radiative transfer in a clumpy universe: IV. New synthesis models of the cosmic UV/X-ray background
- Cosmological Evolution of the Hard X-ray AGN Luminosity Function and the Origin of the Hard X-ray Background
- The Sloan Digital Sky Survey Quasar Catalog V. Seventh Data Release
- AGN Dusty Tori: II. Observational Implications of Clumpiness
- Intrinsic disc emission and the Soft X-ray Excess in AGN
- AGN Dusty Tori: I. Handling of Clumpy Media
- The Spin of the Near-Extreme Kerr Black Hole GRS 1915+105
- Revisiting the Infrared Spectra of Active Galactic Nuclei with a New Torus Emission Model
- Radio-Loudness of Active Galactic Nuclei: Observational Facts and Theoretical Implications
- A light bending model for the X-ray temporal and spectral properties of accreting black holes
- The dust covering factor in active galactic nuclei
- Bolometric luminosities and Eddington ratios of X-ray selected Active Galactic Nuclei in the XMM-COSMOS survey
- Mass Functions of the Active Black Holes in Distant Quasars from the Large Bright Quasar Survey, the Bright Quasar Survey, and the Color-Selected Sample of the SDSS Fall Equatorial Stripe
- Simultaneous X-ray/optical/UV snapshots of active galactic nuclei from XMM-Newton: spectral energy distributions for the reverberation mapped sample
- Ubiquitous variability of X-ray absorbing column densities in Seyfert 2 Galaxies
- Universal bolometric corrections for AGN over 7 luminosity decades
- The Contribution of the Obscuring Torus to the X--Ray Spectrum of Seyfert Galaxies: A Test for the Unification Model
- Three years Swift-BAT Survey of AGN: reconciling theory and observations?
- The close environments of accreting massive black holes are shaped by radiative feedback
- The incidence of obscuration in active galactic nuclei
- The Radiative Efficiency of Accretion Flows in Individual AGN
- Resolving the complex structure of the dust torus in the active nucleus of the Circinus galaxy
- Observational Constraints on Black Hole Spin
- Herschel Far-Infrared and Sub-millimeter Photometry for the KINGFISH Sample of Nearby Galaxies
- Near-infrared template spectra of normal galaxies: k-corrections, galaxy models and stellar populations
- Most Supermassive Black Holes must be Rapidly Rotating
- The luminosity dependence of the Type 1 AGN fraction
- A physical model of the broadband continuum of AGN and its implications for the UV/X relation and optical variability
- Torus and AGN properties of nearby Seyfert galaxies: Results from fitting IR spectral energy distributions and spectroscopy
- Dusty Structure Around Type-I Active Galactic Nuclei: Clumpy Torus Narrow Line Region and Near-Nucleus Hot Dust
- The dusty heart of nearby active galaxies -- II. From clumpy torus models to physical properties of dust around AGN
- The Blast Wave Model for AGN Feedback: Effects on AGN Obscuration
- Testing warm Comptonization models for the origin of the soft X-ray excess in AGN
- An Exploratory Chandra Survey of a Well-Defined Sample of 35 Large Bright Quasar Survey Broad Absorption Line Quasars
- Hot Graphite Dust and the Infrared Spectral Energy Distribution of Active Galactic Nuclei
- Towards a physical model of dust tori in Active Galactic Nuclei - Radiative transfer calculations for a hydrostatic torus model
- Black hole mass estimate for a sample of radio-loud narrow-line Seyfert 1 galaxies
- Dusty winds in active galactic nuclei: reconciling observations with models
- Spectral Models for Low-luminosity Active Galactic Nuclei in LINERs: The Role of Advection-dominated Accretion and Jets
- Slim disks around Kerr black holes revisited
- Quasars and the Big Blue Bump
- Fermi/LAT broad emission line blazars
- The subarcsecond mid-infrared view of local active galactic nuclei: III. Polar dust emission
- Non-LTE Models and Theoretical Spectra of Accretion Disks in Active Galactic Nuclei. III. Integrated Spectra for Hydrogen-Helium Disks
- Quasars as standard candles I: The physical relation between disc and coronal emission
- Measuring the Fraction of Obscured Quasars by the Infrared Luminosity of Unobscured Quasars
- Redefining the torus: A unifying view of AGN in the infrared and sub-mm
- Spectral Energy Distributions of QSOs at z>5: common AGN-heated dust and occasionally strong star-formation
- Mid-infrared interferometry of 23 AGN tori: On the significance of polar-elongated emission
- Relativistic slim disks with vertical structure
- Radiation pressure and absorption in AGN: results from a complete unbiased sample from Swift
- Galaxy gas as obscurer: II. Separating the galaxy-scale and nuclear obscurers of Active Galactic Nuclei
- The near-infrared broad emission line region of active galactic nuclei. II. The one-micron continuum
- Dust-Deficient Palomar-Green Quasars and the Diversity of AGN Intrinsic IR Emission
- FIR colours and SEDs of nearby galaxies observed with Herschel
- New evidence for the ubiquity of prominent polar dust emission in AGN on tens of parsec scales
- Polar Dust, Nuclear Obscuration and IR SED Diversity in Type-1 AGNs
- Obscuring Fraction of Active Galactic Nuclei: Implications from Radiation-driven Fountain Models
- Mid-IR Variability and Dust Reverberation Mapping of Low- Quasars. I. Data, Methods and Basic Results
- Dust Temperatures in the Infrared Space Observatory Atlas of Bright Spiral Galaxies
- New evidence for the dusty wind model: Polar dust and a hot core in the type-1 Seyfert ESO323-G77
- The Infrared Emission and Opening Angle of the Torus in Quasars
- The Most Massive Active Black-Holes at z~1.5-3.5 Have High Spins and Radiative Efficiencies
- H-ATLAS: estimating redshifts of Herschel sources from sub-mm fluxes
- The near-to-mid infrared spectrum of quasars
- The properties of the AGN torus as revealed from a set of unbiased NuSTAR observations
- Evidence that most type 1 AGN are reddened by dust in the host ISM
- Dusty Tori of Luminous Type 1 Quasars at z \sim 2
- How does the Polar Dust affect the Correlation between Dust Covering Factor and Eddington Ratio in Type 1 Quasars Selected from the Sloan Digital Sky Survey Data Release 16?
- Determining the torus covering factors for a sample of type 1 AGN in the local Universe
- Contribution of the accretion disk, hot corona, and obscuring torus to the luminosity of Seyfert galaxies: INTEGRAL and Spitzer observations
- How to constrain mass and spin of supermassive black holes through their disk emission
- The High A(V) Quasar Survey: Reddened quasi-stellar objects selected from optical/near-infrared photometry - II
- The Covering Factor of Warm Dust in Quasars: View from WISE All-Sky Data Release
- X-ray time lags in AGN: inverse-Compton scattering and spherical corona model
- A Quasar-Galaxy Mixing Diagram: Quasar Spectral Energy Distribution Shapes in the Optical to Near-Infrared
- New Method for Exploring Super-Eddington AGNs by Near-infrared Observations
- Black-hole mass estimates for a homogeneous sample of bright flat-spectrum radio quasars
- A model for the X-ray absorption in Compton--thin AGN
- Vertical dissipation profiles and the photosphere location in thin and slim accretion disks
- The evolution of dusty torus covering factor in quasars
- Black hole mass and spin estimates of the most distant quasars
- Radiation pattern and outflow geometry: a new probe of black hole spin?
- Estimating black hole masses: Accretion disk fitting versus reverberation mapping and single epoch
- AGN torus emission for a homogeneous sample of bright FSRQs
- AGN anisotropic radiative feedback set by black hole spin
- Slow and fat: low-spin SMBHs are more massive