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Are the broad optical Balmer lines in PG 1613+658 from the central accretion disc?
Zhang, Xue-Guang1,2
2015-02-11
Source PublicationMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume447Issue:1Pages:L35-L39
AbstractIn this letter, we report on the positive correlations between the broad-line width and broadline flux for the broad Balmer lines of the active galactic nucleus (AGN) PG 1613+658, which has been observed for a long time. Rather than the expected negative correlations that come with the widely accepted virialization assumption for AGN broad emission-line regions (BLRs), the positive correlations indicate very different BLR structures of PG 1613+658 from the commonly considered BLR structures that are dominated by the equilibrium between radiation pressure and gas pressure. Therefore, it is preferable to assume that the observed broad single-peaked optical Balmer lines of PG 1613+658 originate from the accretion disc, because the mainly gravity-dominated disc-like BLRs with radial structures have few effects from radiation pressure.
KeywordGalaxies: Active Galaxies: Individual: pg1613+658 Galaxies: Nuclei Quasars: Emission Lines
Subject Area天文和天体物理
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1093/mnrasl/slu172
WOS KeywordACTIVE GALACTIC NUCLEI ; VELOCITY-DELAY MAPS ; BLACK-HOLE ; H-ALPHA ; EMISSION-LINES ; 3C 390.3 ; REGION ; GALAXIES ; AGN ; LUMINOSITY
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000360552300008
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Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/14890
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. Are the broad optical Balmer lines in PG 1613+658 from the central accretion disc?[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2015,447(1):L35-L39.
APA Zhang, Xue-Guang.(2015).Are the broad optical Balmer lines in PG 1613+658 from the central accretion disc?.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,447(1),L35-L39.
MLA Zhang, Xue-Guang."Are the broad optical Balmer lines in PG 1613+658 from the central accretion disc?".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 447.1(2015):L35-L39.
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