English
Related papers

Related papers: OzDES Reverberation Mapping Program: H$\beta$ lags…

200 papers

Based on the measured sizes of broad line region of the reverberation-mapping AGN sample, two new empirical relations are introduced to estimate the central black hole masses of radio-loud high-redshift ($z > 0.5$) AGNs. First, using the…

Astrophysics · Physics 2009-11-13 Min-Zhi Kong , Xue-Bing Wu , Ran Wang , Jin-Lin Han

Reverberation mapping probes the structure of the broad emission-line region (BLR) in active galactic nuclei (AGN). The kinematics of the BLR gas can be used to measure the mass of the central supermassive black hole. The main uncertainty…

Astrophysics of Galaxies · Physics 2015-09-23 Andreas Skielboe , Anna Pancoast , Tommaso Treu , Daeseong Park , Aaron J. Barth , Misty C. Bentz

We present dynamical modeling of the broad line region (BLR) for a sample of five Seyfert 1 galaxies using reverberation mapping data taken by the Lick AGN Monitoring Project in 2008. By modeling the AGN continuum light curve and H$\beta$…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-18 Anna Pancoast , Brendon J. Brewer , Tommaso Treu , Daeseong Park , Aaron J. Barth , Misty C. Bentz , Jong-Hak Woo

We present the results of a new reverberation mapping campaign for the broad-lined active galactic nucleus (AGN) in the edge-on spiral IC4329A. Monitoring of the optical continuum with $V-$band photometry and broad emission-line flux…

Astrophysics of Galaxies · Physics 2023-02-15 Misty C. Bentz , Christopher A. Onken , Rachel Street , Monica Valluri

We present an updated and revised analysis of the relationship between the Hbeta broad-line region (BLR) radius and the luminosity of the active galactic nucleus (AGN). Specifically, we have carried out two-dimensional surface brightness…

We monitored 13 moderate luminosity active galactic nuclei at z=0.36 to measure flux variability, explore feasibility of reverberation mapping, and determine uncertainties on estimating black hole mass from single-epoch data. Spectra and…

Astrophysics · Physics 2011-02-11 J. -H. Woo , T. Treu , M. A. Malkan , M. A. Ferry , T. Misch

We present a general method to analyze reverberation mapping data that provides both estimates for the black hole mass and for the geometry and dynamics of the broad line region (BLR) in active galactic nuclei (AGN). Our method directly…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-27 Anna Pancoast , Brendon J. Brewer , Tommaso Treu

We calibrate reverberation-based black hole masses in active galactic nuclei (AGNs) by using the correlation between black hole mass, M, and bulge/spheroid stellar velocity dispersion, sigma. We use new measurements of sigma for 6 AGNs and…

We present the results from a spectroscopic monitoring campaign to obtain reverberation-mapping measurements and investigate the broad-line region kinematics for active galactic nuclei (AGN) of Mrk~817 and NGC~7469. This campaign was…

We present an improved and expanded simply parameterized phenomenological model of the broad line region (BLR) in active galactic nuclei (AGN) for modeling reverberation mapping data. By modeling reverberation mapping data directly, we can…

Astrophysics of Galaxies · Physics 2015-06-22 Anna Pancoast , Brendon J. Brewer , Tommaso Treu

Continuum reverberation mapping probes the sizescale of the optical continuum-emitting region in active galactic nuclei (AGN). Through 3 years of multiwavelength photometric monitoring in the optical with robotic observatories, we perform…

We present four improved empirical relationships useful for estimating the central black hole mass in nearby AGNs and distant luminous quasars alike using either optical or UV single-epoch spectroscopy. These mass-scaling relationships…

Astrophysics · Physics 2008-11-26 M. Vestergaard , B. M. Peterson

Reverberation mapping (RM) is the most promising method to measure the masses of supermassive black holes in the center of active galaxy nuclei (AGNs). However, the dominant jet component hinders the application of RM method for blazars. In…

High Energy Astrophysical Phenomena · Physics 2025-12-01 Junhao Deng , Lizhi Liu , Yifan Wang , Yunguo Jiang

Reverberation mapping accurately determines virial black hole masses only for redshifts $z <$ 0.2 by utilizing the relationship between the H$\beta$ broad-line region (BLR) size and the 5100 Angstroms continuum luminosity established with…

Astrophysics of Galaxies · Physics 2024-05-21 Swayamtrupta Panda , Francisco Pozo Nuñez , Eduardo Bañados , Jochen Heidt

We review briefly direct and indirect methods of measuring the masses of black holes in galactic nuclei, and then focus attention on supermassive black holes in active nuclei, with special attention to results from reverberation mapping and…

Astrophysics of Galaxies · Physics 2015-05-18 Bradley M. Peterson

We have obtained high resolution images of the central regions of 14 reverberation-mapped active galactic nuclei (AGN) using the Hubble Space Telescope Advanced Camera for Surveys High Resolution Camera to account for host-galaxy starlight…

We present the results of a reverberation campaign targeting MGC-06-30-15. Spectrophotometric monitoring and broad-band photometric monitoring over the course of 4 months in the spring of 2012 allowed a determination of a time delay in the…

Astrophysics of Galaxies · Physics 2016-10-26 Misty C. Bentz , Edward M. Cackett , D. Michael Crenshaw , Keith Horne , Rachel Street , Benjamin Ou-Yang

This is the first paper in a series devoted to systematic study of the size and structure of the broad-line region (BLR) in active galactic nuclei (AGNs) using reverberation mapping (RM) data. We employ a recently developed Bayesian…

Cosmology and Nongalactic Astrophysics · Physics 2014-01-07 Yan-Rong Li , Jian-Min Wang , Luis C. Ho , Pu Du , Jin-Ming Bai