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Further evidence for the accretion disc origination of the double-peaked broad H alpha of 3C 390.3
Zhang, Xue-Guang1,2
2013-05-01
Source PublicationMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
ISSN0035-8711
Volume431Issue:1Pages:L112-L116
Corresponding AuthorZhang, XG (reprint author), Chinese Acad Sci, Purple Mt Observ, 2 Beijing XiLu, Nanjing 210008, Jiangsu, Peoples R China. Email: xgzhang@pmo.ac.cn
AbstractIn this Letter, under the widely accepted theoretical accretion disc model for the double-peaked emitter 3C 390.3, the extended disc-like broad-line region can be well split into 10 rings, and then the time lags between the lines from the rings and the continuum emission are estimated, based on the observed spectra around 1995. We can find one very strong correlation between the determined time lags (in units of light-day) and the flux-weighted radii (in units of R-G) of the rings, which is well consistent with the expected results through the theoretical accretion disc model. Moreover, through the strong correlation, the black hole masses of 3C 390.3 are independently estimated as similar to 10(9)M(circle dot), the same as the reported black hole masses in the literature. The consistencies provide further evidence to strongly support the accretion disc origination of the double-peaked broad Balmer lines of 3C 390.3.
KeywordGalaxies: Active Galaxies: Individual: 3c 390.3 Galaxies: Nuclei Quasars: Emission Lines Galaxies: Seyfert
Subject AreaAstronomy & Astrophysics
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1093/mnrasl/slt019
WOS KeywordACTIVE GALACTIC NUCLEI ; BALMER EMISSION-LINES ; BLACK-HOLE BINARIES ; REGION SIZES ; VARIABILITY ; GALAXIES ; SYSTEM ; 3C-390.3 ; MASS ; QUASARS
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000318343600024
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Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/9914
Collection南极天文中心
Affiliation1.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
2.Chinese Ctr Antarctic Astron, Nanjing 210008, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Xue-Guang. Further evidence for the accretion disc origination of the double-peaked broad H alpha of 3C 390.3[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2013,431(1):L112-L116.
APA Zhang, Xue-Guang.(2013).Further evidence for the accretion disc origination of the double-peaked broad H alpha of 3C 390.3.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,431(1),L112-L116.
MLA Zhang, Xue-Guang."Further evidence for the accretion disc origination of the double-peaked broad H alpha of 3C 390.3".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 431.1(2013):L112-L116.
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