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Kinematics of the Broad-line Region of 3C 273 from a 10 yr Reverberation Mapping Campaign

文献类型：期刊论文

作者Zhang, Zhi-Xiang1,2; Du, Pu1; Smith, Paul S.3; Zhao, Yulin4,5; Hu, Chen1; Xiao, Ming1,6; Li, Yan-Rong1; Huang, Ying-Ke1,2; Wang, Kai1,2; Bai, Jin-Ming6
刊名ASTROPHYSICAL JOURNAL
出版日期2019-05-01
卷号876期号:1页码:14
关键词galaxies: active galaxies: individual (3C 273) galaxies: nuclei
ISSN号0004-637X
DOI10.3847/1538-4357/ab0199
英文摘要Despite many decades of study, the kinematics of the broad-line region of 3C 273 are still poorly understood. We report a new, high signal-to-noise, reverberation mapping campaign carried out from 2008 November to 2018 March that allows the determination of time lags between emission lines and the variable continuum with high precision. The time lag of variations in H beta relative to those of the 5100 angstrom continuum is 146.8(-1)(2.1)(+8.3) days in the rest frame, which agrees very well with the Paschen-alpha region measured by the GRAVITY at The Very Large Telescope Interferometer. The time lag of the H gamma emission line is found to be nearly the same as that for H beta. The lag of the Fe II emission is 322.0(-57)(.9)(+55.5) days, longer by a factor of similar to 2 than that of the Balmer lines. The velocity-resolved lag measurements of the H beta line show a complex structure that can be possibly explained by a rotation-dominated disk with some inflowing radial velocity in the H beta-emitting region. Taking the virial factor of f(BLR) = 1.3, we derive a BH mass of M. = 4.1(-0.4)(+0.3) x 10(8) M-circle dot and an accretion rate of 9.3 L-Edd C-2 from the H beta line. The decomposition of its Hubble Space Telescope images yields a host stellar mass of M-* = 10(11.)(3 +/- 0.7) M-circle dot, and a ratio of M./M-* approximate to 2.0 x 10(-3) in agreement with the Magorrian relation. In the near future, it is expected to compare the geometrically thick BLR discovered by the GRAVITY in 3C 273 with its spatially resolved torus in order to understand the potential connection between the BLR and the torus.
WOS关键词ACTIVE GALACTIC NUCLEI ; AGN MONITORING PROJECT ; SUPERMASSIVE BLACK-HOLES ; SPECTRAL VARIABILITY ; MASS ; EMISSION ; QUASARS ; STELLAR ; GALAXIES ; SIZE
资助项目National Key R&D Program of China[2016YFA0400701] ; National Key R&D Program of China[2016YFA0400702] ; NSFC[NSFC-11873048] ; NSFC[NSFC-11833008] ; NSFC[NSFC-11473002] ; NSFC[NSFC-11721303] ; NSFC[NSFC-11690024] ; Key Research Program of Frontier Sciences, CAS[QYZDJ-SSW-SLH007] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB23010400] ; Fermi Guest Investigator grants[NNX08AW56G] ; Fermi Guest Investigator grants[NNX09AU10G] ; Fermi Guest Investigator grants[NNX12AO93G] ; Fermi Guest Investigator grants[NNX15AU81G] ; CAS ; People's Government of Yunnan Province
WOS研究方向Astronomy & Astrophysics
语种英语
WOS记录号WOS:000466800100011
出版者IOP PUBLISHING LTD
资助机构National Key R&D Program of China ; National Key R&D Program of China ; NSFC ; NSFC ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Fermi Guest Investigator grants ; Fermi Guest Investigator grants ; CAS ; CAS ; People's Government of Yunnan Province ; People's Government of Yunnan Province ; National Key R&D Program of China ; National Key R&D Program of China ; NSFC ; NSFC ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Fermi Guest Investigator grants ; Fermi Guest Investigator grants ; CAS ; CAS ; People's Government of Yunnan Province ; People's Government of Yunnan Province ; National Key R&D Program of China ; National Key R&D Program of China ; NSFC ; NSFC ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Fermi Guest Investigator grants ; Fermi Guest Investigator grants ; CAS ; CAS ; People's Government of Yunnan Province ; People's Government of Yunnan Province ; National Key R&D Program of China ; National Key R&D Program of China ; NSFC ; NSFC ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Fermi Guest Investigator grants ; Fermi Guest Investigator grants ; CAS ; CAS ; People's Government of Yunnan Province ; People's Government of Yunnan Province
源URL[http://ir.bao.ac.cn/handle/114a11/26196]  
专题中国科学院国家天文台
通讯作者Du, Pu
作者单位1.Chinese Acad Sci, Inst High Energy Phys, Key Lab Particle Astrophys, 19B Yuquan Rd, Beijing 100049, Peoples R China
2.Univ Chinese Acad Sci, Sch Astron & Space Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
3.Univ Arizona, Steward Observ, Tucson, AZ 85721 USA
4.Peking Univ, Kavli Inst Astron & Astrophys, Beijing 100871, Peoples R China
5.Peking Univ, Sch Phys, Dept Astron, Beijing 100871, Peoples R China
6.Chinese Acad Sci, Yunnan Observ, Kunming 650011, Yunnan, Peoples R China
7.Chinese Acad Sci, Natl Astron Observ China, 20A Datun Rd, Beijing 100020, Peoples R China
推荐引用方式
GB/T 7714		 Zhang, Zhi-Xiang,Du, Pu,Smith, Paul S.,et al. Kinematics of the Broad-line Region of 3C 273 from a 10 yr Reverberation Mapping Campaign[J]. ASTROPHYSICAL JOURNAL,2019,876(1):14.
APA Zhang, Zhi-Xiang.,Du, Pu.,Smith, Paul S..,Zhao, Yulin.,Hu, Chen.,...&Wang, Jian-Min.(2019).Kinematics of the Broad-line Region of 3C 273 from a 10 yr Reverberation Mapping Campaign.ASTROPHYSICAL JOURNAL,876(1),14.
MLA Zhang, Zhi-Xiang,et al."Kinematics of the Broad-line Region of 3C 273 from a 10 yr Reverberation Mapping Campaign".ASTROPHYSICAL JOURNAL 876.1(2019):14.

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