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Related papers: AGN Reverberation Mapping

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Reverberation mapping is a proven technique that is used to measure the size of the broad emission-line region and central black hole mass in active galactic nuclei. More ambitious reverberation mapping programs that are well within the…

Astrophysics · Physics 2009-11-10 B. M. Peterson , K. Horne

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 physical processes occur on scales that are too small to…

Astrophysics of Galaxies · Physics 2021-06-10 Edward M. Cackett , Misty C. Bentz , Erin Kara

This contribution briefly reviews the reverberation mapping technique which leads to determination of black hole masses. I focus on the emerging relation between the broad-line region size and the active galactic nucleus (AGN) luminosity,…

Astrophysics · Physics 2007-05-23 Shai Kaspi

Reverberation mapping methods have been used to measure masses in about three dozen AGNs. The consistency of the virial masses computed from line widths and time delays, the relationship between black hole mass and host-galaxy stellar bulge…

Astrophysics · Physics 2007-05-23 Bradley M. Peterson

Reverberation-mapping campaigns have revolutionized our understanding of AGN. They have allowed the direct determination of the broad-line region size, enabled mapping of the gas distribution around the central black hole, and are starting…

Astrophysics · Physics 2016-01-27 Hagai Netzer , Bradley M. Peterson

Reverberation mapping (RM) is an important technique in studies of active galactic nuclei (AGN). The key idea of RM is to measure the time lag $\tau$ between variations in the continuum emission from the accretion disc and subsequent…

Instrumentation and Methods for Astrophysics · Physics 2015-06-18 Brendon J. Brewer , Tom M. Elliott

Reverberation mapping (RM) is one of the most efficient ways to investigate the broad-line region around the central supermassive black holes of active galactic nuclei (AGNs). A common way of performing the RM is to perform a long term…

Astrophysics of Galaxies · Physics 2019-11-06 Joonho Kim , Myungshin Im , Changsu Choi , Sungyong Hwang

A generalized approach to reverberation mapping (RM) is presented, which is applicable to broad- and narrow-band photometric data, as well as to spectroscopic observations. It is based on multivariate correlation analysis techniques and, in…

Cosmology and Nongalactic Astrophysics · Physics 2013-05-29 Doron Chelouche , Shay Zucker

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 propose a new method to determine the dark matter density profile in the vicinity of distant supermassive black holes (SMBH) using reverberation mapping (RM) measurements of active galactic nuclei (AGN). The mapping of multiple emission…

Astrophysics of Galaxies · Physics 2026-02-05 Mayank Sharma , Gonzalo Herrera , Nahum Arav , Shunsaku Horiuchi

The AGN Black Hole Mass Database is a compilation of all published spectroscopic reverberation-mapping studies of active galaxies. We have created a public web interface, where users may get the most up-to-date black hole masses from…

Astrophysics of Galaxies · Physics 2015-06-23 Misty C. Bentz , Sarah Katz

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

Reverberation mapping (RM) of active galactic nuclei (AGNs) has been used over the past three decades to determine AGN broad-line region (BLR) sizes and central black-hole masses, and their relations with the AGN's luminosity. Until…

Astrophysics of Galaxies · Physics 2021-06-03 Shai Kaspi , W. N. Brandt , Dan Maoz , Hagai Netzer , Donald P. Schneider , Ohad Shemmer , C. J. Grier

We have reanalyzed in a consistent way existing reverberation data for 35 AGNs for the purpose of refining the black hole masses derived from these data. We find that the precision (or random component of the error) of reverberation-based…

Astrophysics · Physics 2009-11-10 Bradley M. Peterson

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. From objects with multiple line measurements, we find that the…

The most popular method of the broad-line region size estimation in active galactic nuclei (AGN) is the reverberation mapping based on measuring the time delay between the continuum flux and the flux in the emission lines. In our work, we…

Instrumentation and Methods for Astrophysics · Physics 2020-01-29 Eugene Malygin , Roman Uklein , Elena Shablovinskaya , Aleksander Perepelitsyn , Aleksandra Grokhovskaya

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

Reverberation mapping is one of the main techniques used to study active galactic nuclei (AGN) accretion disks. Traditional continuum reverberation mapping uses short lags between variability in different wavelength AGN light curves on the…

Astrophysics of Galaxies · Physics 2026-01-15 Amy Secunda , Sebastian Wagner-Carena , Helen Qu , Shirley Ho

In the innermost regions of Active Galactic Nuclei (AGN), matter is understood to be flowing onto the Supermassive black hole (SMBH), which forms an accretion disk. This disk is responsible for the optical/UV continuum emission observed in…

High Energy Astrophysical Phenomena · Physics 2023-08-01 Vivek Kumar Jha , Ravi Joshi , Jayesh Saraswat , Hum Chand , Sudhanshu Barway , Amit Kumar Mandal

The improvement of the calibration relation for determining the size of the broad-line region from the observed optical luminosity of active galactic nuclei (AGN) is a necessary task to study fundamental parameters of distant AGNs such as…

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