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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.
发表期刊ASTROPHYSICAL JOURNAL
2007-03-10
卷号657期号:2页码:700-705
DOI10.1086/510899
产权排序第3完成单位
收录类别SCI
关键词Galaxies : Active Galaxies : Dwarf Galaxies : Individual (Sdss j160531.84+174826.1) Galaxies : Nuclei Galaxies : Seyfert
摘要We 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.
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0004-637X
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WOS记录号WOS:000244928500005
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]ACTIVE 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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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/9363
专题高能天体物理研究组
通讯作者Dong, XB (reprint author), Univ Sci & Technol China, Ctr Astrophys, Hefei 230026, Anhui, Peoples R China.
作者单位1.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
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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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