FIRST RESULTS FROM THE LICK AGN MONITORING PROJECT: THE MASS OF THE BLACK HOLE IN ARP 151

被引：68

作者：

Bentz, Misty C. ^{[1
]}

Walsh, Jonelle L. ^{[1
]}

Barth, Aaron J. ^{[1
]}

Baliber, Nairn ^{[2
,3
]}

Bennert, Nicola ^{[2
,4
]}

Canalizo, Gabriela ^{[4
,5
]}

Filippenko, Alexei V. ^{[6
]}

Ganeshalingam, Mohan ^{[6
]}

Gates, Elinor L. ^{[7
]}

Greene, Jenny E. ^{[8
]}

Hidas, Marton G. ^{[2
,3
]}

Hiner, Kyle D. ^{[4
,5
]}

Lee, Nicholas ^{[6
]}

Li, Weidong ^{[6
]}

Malkan, Matthew A. ^{[9
]}

Minezaki, Takeo ^{[10
]}

Serduke, Frank J. D. ^{[6
]}

Shiode, Joshua H. ^{[6
]}

Silverman, Jeffrey M. ^{[6
]}

Steele, Thea N. ^{[6
]}

Stern, Daniel ^{[11
]}

Street, Rachel A. ^{[2
,3
]}

Thornton, Carol E. ^{[1
]}

Treu, Tommaso ^{[2
]}

Wang, Xiaofeng ^{[6
,12
,13
]}

Woo, Jong-Hak ^{[2
,9
]}

Yoshii, Yuzuru ^{[10
,14
]}

机构：

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

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

[3] Las Cumbres Observ Global Telescope, Goleta, CA 93117 USA

[4] Univ Calif Riverside, Inst Geophys & Planetary Phys, Riverside, CA 92521 USA

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

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

[7] Lick Observ, Mt Hamilton, CA 95140 USA

[8] Princeton Univ Observ, Princeton, NJ 08544 USA

[9] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90024 USA

[10] Univ Tokyo, Sch Sci, Inst Astron, Tokyo 1810015, Japan

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

[12] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China

[13] Tsinghua Univ, Tsinghua Ctr Astrophys THCA, Beijing 100084, Peoples R China

[14] Univ Tokyo, Sch Sci, Res Ctr Early Univ, Tokyo 1130033, Japan

来源：

ASTROPHYSICAL JOURNAL LETTERS | 2008年 / 689卷 / 01期

关键词：

galaxies: active; galaxies: individual (Arp 151); galaxies: nuclei; galaxies: Seyfert;

D O I：

10.1086/595719

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We have recently completed a 64 night spectroscopic monitoring campaign at the Lick Observatory 3 m Shane telescope with the aim of measuring the masses of the black holes in 13 nearby (z < 0.05) Seyfert 1 galaxies with with expected masses in the range similar to 10(6)-10(7) M(circle dot). We present here the first results from this project-the mass, of the central black hole in Arp 151. Strong variability throughout the campaign led to an exceptionally clean H beta lag measurement in this object of 4.25(-0.66)(+0.68) days in the observed frame. Coupled with the width of the H beta emission line in the variable spectrum, we determine a black hole mass of (7.1 +/- 1.2) x 10(6) M(circle dot), assuming the Onken et al. normalization for reverberation-based virial masses. We also find velocity-resolved lag information within the H beta emission line which clearly shows infalling gas in the H beta-emitting region. Further detailed analysis may lead to a full model of the geometry and kinematics of broad line region gas around the central black hole in Arp 151.

引用

页码：L21 / L24

页数：4

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