A reverberation-based mass for the central black hole in NGC 4151

被引：178

作者：

Bentz, Misty C.

Denney, Kelly D.

Cackett, Edward M.

Dietrich, Matthias

Fogel, Jeffrey K. J.

Ghosh, Himel

Horne, Keith

Kuehn, Charles

Minezaki, Takeo

Onken, Christopher A.

Peterson, Bradley M.

Pogge, Richard W.

Pronik, Vladimir I.

Richstone, Douglas O.

Sergeev, Sergey G.

Vestergaard, Marianne

Walker, Matthew G.

Yoshii, Yuzuru

机构：

[1] Ohio State Univ, Dept Astron, Columbus, OH 43210 USA

[2] Univ St Andrews, Sch Phys & Astron, St Andrews KY16 9SS, Fife, Scotland

[3] Univ Michigan, Dept Astron, Ann Arbor, MI 48109 USA

[4] Univ Tokyo, Sch Sci, Astron Inst, Mitaka, Tokyo 1810015, Japan

[5] Crimean Astrophys Observ, UA-98409 Crimea, Ukraine

[6] Univ Arizona, Steward Observ, Tucson, AZ 85721 USA

[7] Univ Tokyo, Res Ctr Early Universe, Sch Sci, Bunkyo Ku, Tokyo 1130033, Japan

来源：

ASTROPHYSICAL JOURNAL | 2006年 / 651卷 / 02期

基金：

英国科学技术设施理事会;

关键词：

galaxies : active; galaxies : nuclei; galaxies : Seyfert;

D O I：

10.1086/507417

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We have undertaken a new ground-based monitoring campaign to improve the estimates of the mass of the central black hole in NGC 4151. We measure the lag time of the broad H beta line response compared to the optical continuum at 5100 angstrom and find a lag of 6.6(-0.8)(+1.1) days. We combine our data with the recent reanalysis of UV emission lines by Metzroth and coworkers to calculate a weighted mean of the black hole mass, M-BH = (4.57(-0.47)(+0.57))x10(7) M-circle dot. The absolute calibration of the black hole mass is based on normalization of the AGN black hole mass-stellar velocity dispersion (M-BH-sigma(*)) relationship to that of quiescent galaxies by Onken and coworkers. The scatter in the M-BH-sigma(*) relationship suggests that reverberation-mapping-based mass measurements are typically uncertain by a factor of 3-4.

引用

页码：775 / 781

页数：7

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