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Related papers: Reverberation Mapping Results from MDM Observatory

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A detailed analysis of the data from a high sampling rate, multi-month reverberation mapping campaign, undertaken primarily at MDM Observatory with supporting observations from telescopes around the world, reveals that the Hbeta emission…

We conduct a reverberation mapping (RM) campaign to spectroscopically monitor a sample of selected bright active galactic nuclei with large anticipated broad-line region (BLR) sizes adequate for spectroastrometric observations by the…

We present the final results from a high sampling rate, multi-month, spectrophotometric reverberation mapping campaign undertaken to obtain either new or improved Hbeta reverberation lag measurements for several relatively low-luminosity…

The reverberation mapping (RM) technique has seen wide applications in probing geometry and kinematics of broad-line regions (BLRs) and measuring masses of supermassive black holes (SMBHs) in active galactic nuclei. However, the key…

Astrophysics of Galaxies · Physics 2024-12-17 Yan-Rong Li , Jian-Min Wang

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

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

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

We present geometric and dynamical modeling of the broad line region for the multi-wavelength reverberation mapping campaign focused on NGC 5548 in 2014. The dataset includes photometric and spectroscopic monitoring in the optical and…

Astrophysics of Galaxies · Physics 2020-10-21 P. R. Williams , A. Pancoast , T. Treu , B. J. Brewer , B. M. Peterson , A. J. Barth , M. A. Malkan , G. De Rosa , Keith Horne , G. A. Kriss , N. Arav , M. C. Bentz , E. M. Cackett , E. Dalla Bontà , M. Dehghanian , C. Done , G. J. Ferland , C. J. Grier , J. Kaastra , E. Kara , C. S. Kochanek , S. Mathur , M. Mehdipour , R. W. Pogge , D. Proga , M. Vestergaard , T. Waters , S. M. Adams , M. D. Anderson , P. Arévalo , T. G. Beatty , V. N. Bennert , A. Bigley , S. Bisogni , G. A. Borman , T. A. Boroson , M. C. Bottorff , W. N. Brandt , A. A. Breeveld , M. Brotherton , J. E. Brown , J. S. Brown , G. Canalizo , M. T. Carini , K. I. Clubb , J. M. Comerford , E. M. Corsini , D. M. Crenshaw , S. Croft , K. V. Croxall , A. J. Deason , A. De Lorenzo-Cáceres , K. D. Denney , M. Dietrich , R. Edelson , N. V. Efimova , J. Ely , P. A. Evans , M. M. Fausnaugh , A. V. Filippenko , K. Flatland , O. D. Fox , E. Gardner , E. L. Gates , N. Gehrels , S. Geier , J. M. Gelbord , L. Gonzalez , V. Gorjian , J. E. Greene , D. Grupe , A. Gupta , P. B. Hall , C. B. Henderson , S. Hicks , E. Holmbeck , T. W. -S. Holoien , T. Hutchison , M. Im , J. J. Jensen , C. A. Johnson , M. D. Joner , J. Jones , S. Kaspi , P. L. Kelly , J. A. Kennea , M. Kim , S. Kim , S. C. Kim , A. King , S. A. Klimanov , C. Knigge , Y. Krongold , M. W. Lau , J. C. Lee , D. C. Leonard , Miao Li , P. Lira , C. Lochhaas , Zhiyuan Ma , E. R. Manne-Nicholas , F. MacInnis , J. C. Mauerhan , R. McGurk , I. M. Mc Hardy , C. Montuori , L. Morelli , A. Mosquera , D. Mudd , F. Müller-Sánchez , S. V. Nazarov , R. P. Norris , J. A. Nousek , M. L. Nguyen , P. Ochner , D. N. Okhmat , I. Papadakis , J. R. Parks , L. Pei , M. T. Penny , A. Pizzella , R. Poleski , J. -U. Pott , S. E. Rafter , H. -W. Rix , J. Runnoe , D. A. Saylor , J. S. Schimoia , B. Scott , S. G. Sergeev , B. J. Shappee , I. Shivvers , M. Siegel , G. V. Simonian , A. Siviero , A. Skielboe , G. Somers , M. Spencer , D. Starkey , D. J. Stevens , H. -I. Sung , J. Tayar , N. Tejos , C. S. Turner , P. Uttley , J. Van Saders , S. A. Vaughan , L. Vican , S. Villanueva , C. Villforth , Y. Weiss , J. -H. Woo , H. Yan , S. Young , H. Yuk , W. Zheng , W. Zhu , Y. Zu

We present the first results from a high sampling rate, multi-month reverberation mapping campaign undertaken primarily at MDM Observatory with supporting observations from telescopes around the world. The primary goal of this campaign was…

Results from a few decades of reverberation mapping (RM) studies have revealed a correlation between the radius of the broad-line emitting region (BLR) and the continuum luminosity of active galactic nuclei. This "radius-luminosity"…

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

We have started a long-term reverberation mapping project using the Wyoming Infrared Observatory 2.3 meter telescope titled "Monitoring AGNs with H\beta\ Asymmetry" (MAHA). The motivations of the project are to explore the geometry 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…

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

In the sixth of the series of papers reporting on a large reverberation mapping (RM) campaign of active galactic nuclei (AGNs) with high accretion rates, we present velocity-resolved time lags of H$\beta$ emission lines for nine objects…

Astrophysics of Galaxies · Physics 2016-03-23 Pu Du , Kai-Xing Lu , Chen Hu , Jie Qiu , Yan-Rong Li , Ying-Ke Huang , Fang Wang , Jin-Ming Bai , Wei-Hao Bian , Ye-Fei Yuan , Luis C. Ho , Jian-Min Wang

We report first-time reverberation mapping results for 14 AGNs from the ongoing Monitoring AGNs with H$\beta$ Asymmetry campaign (MAHA). These results utilize optical spectra obtained with the Long Slit Spectrograph on the Wyoming Infrared…

Black hole (BH) masses that have been measured by reverberation mapping in active galaxies fall significantly below the correlation between bulge luminosity and BH mass determined from spatially resolved kinematics of nearby normal…

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