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题名: SDSS J083253.18+064316.7: one strange object with double-peaked narrow H alpha but single-peaked narrow H beta
作者: Zhang XueGuang(张雪光)1, 2
刊名: MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
出版日期: 2015-05-01
卷号: 449, 期号:1, 页码:L31-L35
关键词: galaxies: active ; galaxies: nuclei ; quasars: emission lines ; galaxies: Seyfert
学科分类: 天文和天体物理
DOI: 10.1093/mnrasl/slv014
文章类型: Article
英文摘要: In this Letter, we first report one unique object SDSS J0832+0643 with particular features of narrow Balmer emission lines: double-peaked narrow H alpha but single-peaked narrow H beta. The particular features cannot be expected by currently proposed kinematic models for double-peaked narrow emission lines, because the proposed kinematic models lead to similar line profiles of narrow Balmer emission lines. However, due to radiative transfer effects, the non-kinematic model can be naturally applied to well explain the particular features of narrow Balmer emission lines: larger optical depth in H alpha than 10 leads to observed double-peaked narrow H alpha, but smaller optical depth in H beta around 2 leads to observed single-peaked narrow H beta. Therefore, SDSS J0832+0643 can be used as strong evidence to support the non-kinematic model for double-peaked narrow emission lines.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Astronomy & Astrophysics
研究领域[WOS]: Astronomy & Astrophysics
关键词[WOS]: ACTIVE GALACTIC NUCLEUS ; SUPERMASSIVE BLACK-HOLES ; DIGITAL SKY SURVEY ; EMISSION-LINES ; X-RAY ; GALAXY ; MERGER ; AGN ; CONSTRAINTS ; CANDIDATES
收录类别: SCI
所属项目名称: PMO_LIB-IR
语种: 英语
WOS记录号: WOS:000353555000007
Citation statistics:
内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/14887
Appears in Collections:南极天文中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
2.Chinese Ctr Antarctic Astron, Nanjing 210008, Jiangsu, Peoples R China
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