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SDSS J160531.84+174826.1: A dwarf disk galaxy with an intermediate-mass black hole
Dong, Xiaobo1,2; Wang, Tinggui1,2; Yuan WM(袁为民)3; Dan HG(单红光)3; Zhou, Hongyan1,2,4; Fan, Lulu1,2; Dou LM(窦立明)3; Wang, Huiyuan1,2; Wang, Junxian1,2; Lu, Honglin1,2; Dong, XB (reprint author), Univ Sci & Technol China, Ctr Astrophys, Hefei 230026, Anhui, Peoples R China.
Source PublicationASTROPHYSICAL JOURNAL
2007-03-10
Volume657Issue:2Pages:700-705
DOI10.1086/510899
Contribution Rank第3完成单位
Indexed BySCI
KeywordGalaxies : Active Galaxies : Dwarf Galaxies : Individual (Sdss j160531.84+174826.1) Galaxies : Nuclei Galaxies : Seyfert
AbstractWe report the discovery of a dwarf Seyfert 1 active galactic nucleus (AGN) with a candidate intermediate-mass black hole, hosted by the dwarf galaxy SDSS J160531.84+174826.1 at z = 0.032. A broad component of the H alpha line with FWHM = 781 km s(-1) is detected in its optical spectrum, and a bright, pointlike nucleus is evident from a Hubble Space Telescope (HST) imaging observation. Nonthermal X-ray emission is also detected from the nucleus. The black hole mass, as estimated from the luminosity and width of the broad H alpha component, is about 7 x 10(4) M.. The host galaxy appears to be a disk galaxy with a boxy bulge or nuclear bar. With an absolute magnitude of M-R = -17.8 (M-B = -16.4), it is among the least luminous host galaxies ever identified for a Seyfert 1.
Language英语
Subject AreaAstronomy & Astrophysics
SubtypeArticle
ISSN0004-637X
URL查看原文
WOS IDWOS:000244928500005
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordACTIVE GALACTIC NUCLEI ; DIGITAL SKY SURVEY ; LINE SEYFERT-1 GALAXIES ; EARLY DATA RELEASE ; X-RAY ; ENERGY-DISTRIBUTION ; EMISSION-LINE ; BULGE MASS ; LUMINOSITY ; NGC-4395
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Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/9363
Collection高能天体物理研究组
Corresponding AuthorDong, XB (reprint author), Univ Sci & Technol China, Ctr Astrophys, Hefei 230026, Anhui, Peoples R China.
Affiliation1.Center for Astrophysics, University of Science and Technology of China, Hefei, Anhui, China
2.Joint Institute of Galaxies and Cosmology, Shanghai Observatory and University of Science and Technology of China
3.National Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences, Kunming, Yunnan, China
4.Department of Astronomy, University of Florida, Gainesville, FL
Recommended Citation
GB/T 7714
Dong, Xiaobo,Wang, Tinggui,Yuan WM,et al. SDSS J160531.84+174826.1: A dwarf disk galaxy with an intermediate-mass black hole[J]. ASTROPHYSICAL JOURNAL,2007,657(2):700-705.
APA Dong, Xiaobo.,Wang, Tinggui.,袁为民.,单红光.,Zhou, Hongyan.,...&Dong, XB .(2007).SDSS J160531.84+174826.1: A dwarf disk galaxy with an intermediate-mass black hole.ASTROPHYSICAL JOURNAL,657(2),700-705.
MLA Dong, Xiaobo,et al."SDSS J160531.84+174826.1: A dwarf disk galaxy with an intermediate-mass black hole".ASTROPHYSICAL JOURNAL 657.2(2007):700-705.
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