Measuring black hole mass of type I active galactic nuclei by spectropolarimetry

doi:10.1093/mnrasl/slx154

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	Measuring black hole mass of type I active galactic nuclei by spectropolarimetry
	Songsheng, YY; Wang, JM; 宋盛雨央; Wang JM(王建民)
刊名	MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
	2018
卷号	473 期号:1 页码:L1-L5
关键词	polarization galaxies: active quasars: supermassive black holes
ISSN号	0035-8711
DOI	10.1093/mnrasl/slx154
文献子类	Article
英文摘要	Black hole (BH) mass of type I active galactic nuclei (AGNs) can be measured or estimated through either reverberation mapping or empirical R-L relation, however, both of them suffer from uncertainties of the virial factor (f(BLR)), thus limiting the measurement accuracy. In this letter, we make an effort to investigate f(BLR) through polarized spectra of the broad-line regions (BLR) arisen from electrons in the equatorial plane. Given the BLR composed of discrete clouds with Keplerian velocity around the central BH, we simulate a large number of spectra of total and polarized flux with wide ranges of parameters of the BLR model and equatorial scatters. We find that the f(BLR)-distribution of polarized spectra is much narrower than that of total ones. This provides a way of accurately estimating BH mass from single spectropolarimetric observations of type I AGN whose equatorial scatters are identified.
电子版国际标准刊号	1365-2966
WOS关键词	REVERBERATION MAPPING DATA ; AGN MONITORING PROJECT ; NARROW-LINE SEYFERT-1 ; OPTICAL SPECTROPOLARIMETRY ; RADIO GALAXIES ; REGIONS ; PERSPECTIVE ; LOUDNESS ; NGC-1068 ; MODELS
WOS研究方向	Astronomy & Astrophysics
语种	英语
WOS记录号	WOS:000438220800001
内容类型	期刊论文
源URL	[http://ir.ihep.ac.cn/handle/311005/286102]
专题	高能物理研究所_粒子天体物理中心
通讯作者	Wang JM(王建民)
作者单位	中国科学院高能物理研究所
推荐引用方式 GB/T 7714	Songsheng, YY,Wang, JM,宋盛雨央,et al. Measuring black hole mass of type I active galactic nuclei by spectropolarimetry[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2018,473(1):L1-L5.
APA	Songsheng, YY,Wang, JM,宋盛雨央,&王建民.(2018).Measuring black hole mass of type I active galactic nuclei by spectropolarimetry.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,473(1),L1-L5.
MLA	Songsheng, YY,et al."Measuring black hole mass of type I active galactic nuclei by spectropolarimetry".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 473.1(2018):L1-L5.