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Geometry of broad line regions of active galactic nuclei
Lu, XR
2008
发表期刊CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS
卷号8期号:1页码:#REF!
通讯作者Lu, XR (reprint author), Chinese Acad Sci, Inst High Energy Phys, Key Lab Particle Astrophys, Beijing 100049, Peoples R China.
文章类型Article
摘要It has long remained an open question as to the geometry of the broad line region (BLR) in active galactic nuclei (AGNs). The reverberation mapping technique which measures the response of the broad emission lines to the ionizing continuum, when combined with multiwavelength continuum fitted by sophisticated accretion disks, provides a way of probing the BLR geometry. We analyze a sample of 35 AGNs, which have been monitored by the reverberation mapping campaign. In view of energy budget, the reverberation-based BH masses are found to be in agreement with those obtained by accretion disk models in two thirds of the present sample while the reverberation mapping methods underestimate the BH masses in about one third of objects, as also suggested by Collin et al. in a recent work. We point out that there are obviously two kinds of BLR geometry, which are strongly dependent on the Eddington ratio, and separated by the value L-Bol/L-Edd similar to 0.1. These results prefer a scenario of the disk and wind configuration of the BLR and identify the Eddington ratio as the physical driver regulating the wind in the BLR.
关键词accretion, accretion disks galaxies : active galaxies : Seyfert quasars : general
学科领域Astronomy & Astrophysics
DOI10.1088/1009-9271/8/1/05
收录类别SCI
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000253671300005
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被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/225744
专题粒子天体物理中心
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Lu, XR. Geometry of broad line regions of active galactic nuclei[J]. CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS,2008,8(1):#REF!.
APA Lu, XR.(2008).Geometry of broad line regions of active galactic nuclei.CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS,8(1),#REF!.
MLA Lu, XR."Geometry of broad line regions of active galactic nuclei".CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS 8.1(2008):#REF!.
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