THE LICK AGN MONITORING PROJECT 2011: DYNAMICAL MODELING OF THE BROAD-LINE REGION IN Mrk 50

被引：77

作者：

Pancoast, Anna ^{[1
]}

Brewer, Brendon J. ^{[1
]}

Treu, Tommaso ^{[1
]}

Barth, Aaron J. ^{[2
]}

Bennert, Vardha N. ^{[1
,3
]}

Canalizo, Gabriela ^{[4
]}

Filippenko, Alexei V. ^{[5
]}

Gates, Elinor L. ^{[6
]}

Greene, Jenny E. ^{[7
]}

Li, Weidong ^{[5
]}

Malkan, Matthew A. ^{[8
]}

Sand, David J. ^{[1
,9
]}

Stern, Daniel ^{[10
]}

Woo, Jong-Hak ^{[11
]}

Assef, Roberto J. ^{[10
]}

Bae, Hyun-Jin ^{[12
,13
]}

Buehler, Tabitha ^{[14
]}

Cenko, S. Bradley ^{[5
]}

Clubb, Kelsey I. ^{[5
]}

Cooper, Michael C. ^{[2
]}

Diamond-Stanic, Aleksandar M. ^{[15
]}

Hiner, Kyle D. ^{[4
]}

Hoenig, Sebastian F. ^{[1
]}

Joner, Michael D. ^{[14
]}

Kandrashoff, Michael T. ^{[5
]}

Laney, C. David ^{[14
]}

Lazarova, Mariana S. ^{[4
]}

Nierenberg, A. M. ^{[1
]}

Park, Dawoo ^{[11
]}

Silverman, Jeffrey M. ^{[5
,16
]}

Son, Donghoon ^{[11
]}

Sonnenfeld, Alessandro ^{[1
]}

Thorman, Shawn J. ^{[2
]}

Tollerud, Erik J. ^{[2
]}

Walsh, Jonelle L. ^{[2
,17
]}

Walters, Richard ^{[18
]}

机构：

[1] Univ Calif Santa Barbara, Dept Phys, Santa Barbara, CA 93106 USA

[2] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA 92697 USA

[3] Calif Polytech State Univ San Luis Obispo, Dept Phys, San Luis Obispo, CA 93407 USA

[4] Univ Calif Riverside, Dept Phys & Astron, Riverside, CA 92521 USA

[5] Univ Calif Berkeley, Dept Astron, Berkeley, CA 94720 USA

[6] Univ Calif Santa Cruz, Lick Observ, Mt Hamilton, CA 95140 USA

[7] Princeton Univ, Dept Astrophys Sci, Princeton, NJ 08544 USA

[8] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA

[9] Las Cumbres Observ, Global Telescope Network, Santa Barbara, CA 93117 USA

[10] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA

[11] Seoul Natl Univ, Dept Phys & Astron, Astron Program, Seoul 151742, South Korea

[12] Yonsei Univ, Dept Astron, Seoul 120749, South Korea

[13] Yonsei Univ, Ctr Galaxy Evolut Res, Seoul 120749, South Korea

[14] Brigham Young Univ, Dept Phys & Astron, Provo, UT 84602 USA

[15] Univ Calif San Diego, Ctr Astrophys & Space Sci, La Jolla, CA 92093 USA

[16] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Phys, Berkeley, CA 94720 USA

[17] Univ Texas Austin, Dept Astron, Austin, TX 78712 USA

[18] CALTECH, Caltech Opt Observ, Pasadena, CA 91125 USA

来源：

ASTROPHYSICAL JOURNAL | 2012年 / 754卷 / 01期

基金：

新加坡国家研究基金会; 美国国家科学基金会;

关键词：

galaxies: active; galaxies: individual (Mrk 50); galaxies: nuclei; ACTIVE GALACTIC NUCLEI; BLACK-HOLE MASSES; REVERBERATION MAPPING DATA; SEYFERT-GALAXIES; BULGE RELATIONS; STRIPE; 82; ARP; 151; QUASARS; VARIABILITY; CALIBRATION;

D O I：

10.1088/0004-637X/754/1/49

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

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(-0.9)(+1.2) light days, a width of the BLR of 6.9(-1.1)(+1.2) light days, and a disk opening angle of 25 +/- 10 deg above the plane. We also constrain the inclination angle to be 9(-5)(+7) deg, close to face-on. Finally, the black hole mass of Mrk 50 is inferred to be log(10)(M-BH/M-circle dot) = 7.57(-0.27)(+0.44). By comparison to the virial black hole mass estimate from traditional reverberation mapping analysis, we find the normalizing constant (virial coefficient) to be log(10) f = 0.78(-0.27)(+0.44), consistent with the commonly adopted mean value of 0.74 based on aligning the M-BH-sigma* 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.

引用

页数：8

共 34 条

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