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Inclinations and black hole masses of Seyfert 1 galaxies
Wu, XB; Han, JL
2001-11-01
发表期刊ASTROPHYSICAL JOURNAL
卷号561期号:1页码:L59-L62
摘要A tight correlation between black hole mass (M-BH) and central velocity dispersion (sigma) has been found recently for both active and quiescent galaxies. By applying this correlation, we develop a simple method to derive the inclination angles for a sample of 11 Seyfert 1 galaxies that have both measured central velocity dispersions and black hole masses estimated by reverberation mapping. These angles, with a mean value of 36 degrees that agrees well with the result obtained by fitting the iron K alpha lines of Seyfert 1 galaxies observed with ASCA, provide further support to the orientation-dependent unification scheme of active galactic nuclei (AGNs). A positive correlation of the inclinations with observed FWHMs of the H beta line and a possible anticorrelation with the nuclear radio loudness have been found. We conclude that more accurate knowledge of inclinations and broad-line region dynamics is needed to improve the black hole mass determination of AGNs with the reverberation mapping technique.
关键词Black Hole Physics Galaxies : Active Galaxies : Nuclei Galaxies : Seyfert
收录类别SCI
语种英语
WOS记录号WOS:000171883700014
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文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/8583
专题射电天文研究部
作者单位1.Peking Univ, Dept Astron, Beijing 100871, Peoples R China
2.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
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GB/T 7714
Wu, XB,Han, JL. Inclinations and black hole masses of Seyfert 1 galaxies[J]. ASTROPHYSICAL JOURNAL,2001,561(1):L59-L62.
APA Wu, XB,&Han, JL.(2001).Inclinations and black hole masses of Seyfert 1 galaxies.ASTROPHYSICAL JOURNAL,561(1),L59-L62.
MLA Wu, XB,et al."Inclinations and black hole masses of Seyfert 1 galaxies".ASTROPHYSICAL JOURNAL 561.1(2001):L59-L62.
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