The mass of the black hole in the Seyfert 1 galaxy NGC 4593 from reverberation mapping

被引：111

作者：

Denney, Kelly D.

Bentz, Misty C.

Peterson, Bradley M.

Pogge, Richard W.

Cackett, Edward M.

Dietrich, Matthias

Fogel, Jeffrey K. J.

Ghosh, Himel

Horne, Keith D.

Kuehn, Charles

Minezaki, Takeo

Onken, Christopher A.

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, Inst Astron, Mitaka, Tokyo 1810015, Japan

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

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

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

来源：

ASTROPHYSICAL JOURNAL | 2006年 / 653卷 / 01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：

10.1086/508533

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present new observations leading to an improved black hole mass estimate for the Seyfert 1 galaxy NGC 4593 as part of a reverberation-mapping campaign conducted at the MDM Observatory. Cross-correlation analysis of the Ho emission-line light curve with the optical continuum light curve reveals an emission-line time delay of tau(cent) = 3.73 +/- 0.75 days. By combining this time delay with the H beta line width, we derive a central black hole mass of M-BH = (9.8 +/- 2. 1) x 10(6) M circle dot, an improvement in precision of a factor of several over past results.

引用

页码：152 / 158

页数：7

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