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The Lick AGN Monitoring Project 2016: Dynamical Modeling of Velocity-resolved H beta Lags in Luminous Seyfert Galaxies
Cited 17 time in
Web of Science
Cited 15 time in Scopus
- Authors
- Issue Date
- 2022-05
- Publisher
- University of Chicago Press
- Citation
- Astrophysical Journal, Vol.930 No.1, p. 52
- Abstract
- We have modeled the velocity-resolved reverberation response of the H beta broad emission line in nine Seyfert 1 galaxies from the Lick Active Galactic Nucleus (AGN) Monitoring Project 2016 sample, drawing inferences on the geometry and structure of the low-ionization broad-line region (BLR) and the mass of the central supermassive black hole. Overall, we find that the H beta BLR is generally a thick disk viewed at low to moderate inclination angles. We combine our sample with prior studies and investigate line-profile shape dependence, such as log(10) (FWHM/sigma), on BLR structure and kinematics and search for any BLR luminosity-dependent trends. We find marginal evidence for an anticorrelation between the profile shape of the broad H beta emission line and the Eddington ratio, when using the rms spectrum. However, we do not find any luminosity-dependent trends, and conclude that AGNs have diverse BLR structure and kinematics, consistent with the hypothesis of transient AGN/BLR conditions rather than systematic trends.
- ISSN
- 0004-637X
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