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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
The lick AGN monitoring project 2011: Dynamical modeling of the broad-line region in Mrk 50
Astrophysical Journal, Volume 754, No. 1, Article 49, Year 2012
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Description
We present dynamical modeling of the broad-line region (BLR) in the Seyfert 1 galaxy Mrk 50 using reverberation mapping data taken as part of the Lick AGN Monitoring Project (LAMP) 2011. We model the reverberation mapping data directly, constraining the geometry and kinematics of the BLR, as well as deriving a black hole mass estimate that does not depend on a normalizing factor or virial coefficient. We find that the geometry of the BLR in Mrk 50 is a nearly face-on thick disk, with a mean radius of 9.6+1.2 -0.9 light days, a width of the BLR of 6.9+1.2 -1.1 light days, and a disk opening angle of 25 ± 10 deg above the plane. We also constrain the inclination angle to be 9+7 -5 deg, close to face-on. Finally, the black hole mass of Mrk 50 is inferred to be log10(M BH/M = 7.57+0.44 -0.27. By comparison to the virial black hole mass estimate from traditional reverberation mapping analysis, we find the normalizing constant (virial coefficient) to be log10 f = 0.78+0.44 -0.27, consistent with the commonly adopted mean value of 0.74 based on aligning the M BH-σ* relation for active galactic nuclei and quiescent galaxies. While our dynamical model includes the possibility of a net inflow or outflow in the BLR, we cannot distinguish between these two scenarios. © 2012. The American Astronomical Society. All rights reserved..
Authors & Co-Authors
Pancoast, Anna
United States, Santa Barbara
University of California, Santa Barbara
Brewer, Brendon J.
United States, Santa Barbara
University of California, Santa Barbara
Treu, Tommaso L.
United States, Santa Barbara
University of California, Santa Barbara
Barth, Aaron J.
United States, Irvine
University of California, Irvine
Bennert, Vardha Nicola
United States, Santa Barbara
University of California, Santa Barbara
United States, San Luis Obispo
California Polytechnic State University, San Luis Obispo
Canalizo, Gabriela
United States, Riverside
University of California, Riverside
Filippenko, Alexei V.
United States, Berkeley
University of California, Berkeley
Gates, Elinor L.
United States, Mount Hamilton
Lick Observatory
Greene, Jenny E.
United States, Princeton
Princeton University
Li, Weidong
United States, Berkeley
University of California, Berkeley
Malkan, Matthew A.
United States, Los Angeles
University of California, Los Angeles
Sand, David J.
United States, Santa Barbara
University of California, Santa Barbara
United States, Santa Barbara
Las Cumbres Observatory Global Telescope Network, Inc
Stern, Daniel K.
United States, Pasadena
California Institute of Technology
Woo, Jong-hak
South Korea, Seoul
Seoul National University
Assef, Roberto J.
United States, Pasadena
California Institute of Technology
Cenko, Stephen Bradley
United States, Berkeley
University of California, Berkeley
Clubb, Kelsey I.
United States, Berkeley
University of California, Berkeley
Cooper, Michael C.
United States, Irvine
University of California, Irvine
Diamond-Stanic, Aleksandar M.
United States, La Jolla
University of California, San Diego
Hönig, Sebastian F.
United States, Santa Barbara
University of California, Santa Barbara
Joner, Michael D.
United States, Provo
Brigham Young University
Kandrashoff, Michael T.
United States, Berkeley
University of California, Berkeley
Laney, Clifton David
United States, Provo
Brigham Young University
Lazarova, Mariana S.
United States, Riverside
University of California, Riverside
Nierenberg, Anna M.
United States, Santa Barbara
University of California, Santa Barbara
Park, Dawoo
South Korea, Seoul
Seoul National University
Silverman, Jeffrey M.
United States, Berkeley
University of California, Berkeley
United States, Berkeley
Lawrence Berkeley National Laboratory
Son, Donghoon
South Korea, Seoul
Seoul National University
Sonnenfeld, Alessandro
United States, Santa Barbara
University of California, Santa Barbara
Tollerud, Erik J.
United States, Irvine
University of California, Irvine
Walsh, Jonelle L.
United States, Irvine
University of California, Irvine
United States, Austin
The University of Texas at Austin
Walters, Richard S.
United States, Pasadena
Carnegie Observatories
Statistics
Citations: 77
Authors: 32
Affiliations: 17
Identifiers
Doi:
10.1088/0004-637X/754/1/49
ISSN:
0004637X