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On the systematic bias in the estimation of black hole masses in active galactic nuclei
Wang JG(王建国)1,2,3; Dong XB4,5; Wang, JG (reprint author), Chinese Acad Sci, Yunnan Observ, Kunming 650011, Peoples R China.
发表期刊SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
2014-03
卷号57期号:3页码:584-588
DOI10.1007/s11433-013-5176-4
分类号P145.8
产权排序第1完成单位
收录类别SCI ; EI
关键词Quasars Galactic Nuclei Masses Statistical And Correlative Studies Of Properties
摘要In this report, we find the M (BH) estimated from the formalism ofWang et al. are more consistent with those from the M (BH)-sigma (*) relation than those from previous single-epoch mass estimators, using a large sample of AGNs. Furthermore, we examine the differences between the line widths of H beta and Mg II in detail by comparing their line profiles. The flux around the line core and that in the wing of both H beta and Mg II show an opposite variation tendency, which indicates the BLR is multi-componential. The contribution of the wing makes the FWHM deviate from sigma (line), and thus bias the M (BH) estimated from previous single-epoch mass estimators. Thus the correction on the formalism suggested by Wang et al. is crucial to M (BH) estimation.
项目资助者National Basic Research Program of China [2009CB824800] ; National Natural Science Foundation of China [11303085, 11073019, 10973034, 11033007, 11133006, 11103071] ; Western Light Youth Project
语种英语
学科领域Physics
文章类型Article
ISSN1674-7348
URL查看原文
归档日期2014-12-15
WOS记录号WOS:000331961200024
WOS研究方向Physics
WOS类目Physics, Multidisciplinary
关键词[WOS]DIGITAL SKY SURVEY ; RADIUS-LUMINOSITY RELATIONSHIP ; HOST-GALAXY STARLIGHT ; EMISSION-LINE REGIONS ; SEYFERT-GALAXIES ; QUASAR SPECTRA ; AGNS ; REDSHIFTS ; SAMPLE ; SIGMA
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/5447
专题丽江天文观测站(南方基地)
中国科学院天体结构与演化重点实验室
通讯作者Wang, JG (reprint author), Chinese Acad Sci, Yunnan Observ, Kunming 650011, Peoples R China.
作者单位1.Yunnan Observatories, Chinese Academy of Sciences, Kunming, 650011, China
2.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming, 650011, China
3.Graduate University of Chinese Academy of Sciences, Beijing, 100049, China
4.Graduate University of Chinese Academy of Sciences, Beijing, 100049, China
5.Center for Astrophysics, University of Science and Technology of China, Hefei, 230026, China
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Wang JG,Dong XB,Wang, JG . On the systematic bias in the estimation of black hole masses in active galactic nuclei[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2014,57(3):584-588.
APA Wang JG,Dong XB,&Wang, JG .(2014).On the systematic bias in the estimation of black hole masses in active galactic nuclei.SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,57(3),584-588.
MLA Wang JG,et al."On the systematic bias in the estimation of black hole masses in active galactic nuclei".SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY 57.3(2014):584-588.
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