Reverberation mapping of active galactic nuclei: From X-ray corona to dusty torus

EM Cackett, MC Bentz, E Kara - Iscience, 2021 - cell.com
The central engines of active galactic nuclei (AGNs) are powered by accreting supermassive
black holes, and while AGNs are known to play an important role in galaxy evolution, the key …

Variability of active galactic nuclei

MH Ulrich, L Maraschi, CM Urry - Annual Review of Astronomy …, 1997 - annualreviews.org
▪ Abstract A large collective effort to study the variability of active galactic nuclei (AGN) over
the past decade has led to a number of fundamental results on radio-quiet AGN and blazars …

The low-luminosity end of the radius–luminosity relationship for active galactic nuclei

MC Bentz, KD Denney, CJ Grier, AJ Barth… - The Astrophysical …, 2013 - iopscience.iop.org
We present an updated and revised analysis of the relationship between the Hβ broad-line
region (BLR) radius and the luminosity of the active galactic nucleus (AGN). Specifically, we …

Central masses and broad-line region sizes of active galactic nuclei. II. A homogeneous analysis of a large reverberation-mapping database

BM Peterson, L Ferrarese, KM Gilbert… - The Astrophysical …, 2004 - iopscience.iop.org
We present improved black hole masses for 35 active galactic nuclei (AGNs) based on a
complete and consistent reanalysis of broad emission-line reverberation-mapping data …

The Sloan Digital Sky Survey Reverberation Mapping Project: estimating masses of black holes in quasars with single-epoch spectroscopy

E Dalla Bontà, BM Peterson, MC Bentz… - The Astrophysical …, 2020 - iopscience.iop.org
It is well known that reverberation mapping of active galactic nuclei (AGNs) reveals a
relationship between AGN luminosity and the size of the broad-line region, and that use of …

The radius–luminosity relationship depends on optical spectra in active galactic nuclei

P Du, JM Wang - The Astrophysical Journal, 2019 - iopscience.iop.org
The radius–luminosity () relationship of active galactic nuclei (AGNs) established by the
reverberation mapping (RM) observations has been widely used as a single-epoch black …

Are the variations in quasar optical flux driven by thermal fluctuations?

BC Kelly, J Bechtold… - The Astrophysical …, 2009 - iopscience.iop.org
We analyze a sample of optical light curves for 100 quasars, 70 of which have black hole
mass estimates. Our sample is the largest and broadest used yet for modeling quasar …

On Uncertainties in Cross‐Correlation Lags and the Reality of Wavelength‐dependent Continuum Lags in Active Galactic Nuclei

BM Peterson, I Wanders, K Horne… - Publications of the …, 1998 - iopscience.iop.org
We describe a model‐independent method of assessing the uncertainties in cross‐
correlation lags determined from the light curves of active galactic nuclei (AGNs) and use …

The radius–luminosity relationship for active galactic nuclei: the effect of host-galaxy starlight on luminosity measurements. II. The full sample of reverberation-mapped …

MC Bentz, BM Peterson, H Netzer… - The Astrophysical …, 2009 - iopscience.iop.org
We present high-resolution Hubble Space Telescope images of all 35 active galactic nuclei
(AGNs) with optical reverberation-mapping results, which we have modeled to create a …

Central masses and broad-line region sizes of active galactic nuclei. I. Comparing the photoionization and reverberation techniques

A Wandel, BM Peterson, MA Malkan - The Astrophysical Journal, 1999 - iopscience.iop.org
The masses and emission-line region sizes of active galactic nuclei (AGNs) can be
measured by" reverberation-mapping" techniques, and we use these results to calibrate …