Elliptical BLR geometries cause the virial factor f to vary by over an order of magnitude and induce ~0.18 dex scatter in the R-L relation, challenging attributions of RM uncertainties to non-virial motions or radiation pressure.
Seoul National University AGN Monitoring Project. V. Velocity-resolved H<i>β</i> Reverberation Mapping and Evidence of Kinematics Evolution
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Dynamical modeling of BLRs in high-mass AGNs yields average virial factors of log10(f) = 0.69 ± 0.21 (using rms line width) and -0.08 ± 0.23 (using mean FWHM) from a combined sample of 38 objects, extending constraints to the 10^8–10^8.5 solar mass range.
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The Impact of Elliptical Broad-Line Regions on Reverberation-Based Black Hole Mass Estimates
Elliptical BLR geometries cause the virial factor f to vary by over an order of magnitude and induce ~0.18 dex scatter in the R-L relation, challenging attributions of RM uncertainties to non-virial motions or radiation pressure.
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Dynamical Modeling of the Broad-Line Region with High-Mass Active Galactic Nuclei and Constraints on the Virial Factor
Dynamical modeling of BLRs in high-mass AGNs yields average virial factors of log10(f) = 0.69 ± 0.21 (using rms line width) and -0.08 ± 0.23 (using mean FWHM) from a combined sample of 38 objects, extending constraints to the 10^8–10^8.5 solar mass range.