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A Ringed Dwarf LINER 1 Galaxy Hosting an Intermediate-mass Black Hole with Large-scale Rotation-like H alpha Emission
Liu, Wen-Juan1,2,3; Qian, Lei3,4; Dong, Xiao-Bo1,2,3; Jiang, Ning5; Lira, Paulina6; Cai, Zheng7; Wang, Feige8; Yang, Jinyi8; Xiao, Ting9; Kim, Minjin10,11
2017-03-10
发表期刊ASTROPHYSICAL JOURNAL
卷号837期号:2
摘要We report the discovery of a 20 kpc sized H alpha emission in SDSS J083803.68+540642.0, a ringed dwarf galaxy (M-V = -17.89 mag) hosting an accreting intermediate-mass black hole at z = 0.02957. Analysis of the Hubble Space Telescope images indicates that it is an early-type galaxy with a featureless low-surface brightness disk (mu(0) = 20.39 mag arcsec(-2) in the V band) and a prominent, relatively red bulge (V - I = 2.03, R-e = 0.28 kpc or 0 48) that accounts for approximate to 81% of the total light in the I band. A circumgalactic ring of a diameter 16 kpc is also detected, with a disperse shape on its south side. The optical emission lines reveal the nucleus to be a broad-line LINER. Our MMT longslit observation indicates that the kinematics of the extended H alpha emission is consistent with a rotational gaseous disk, with a mean blueshifted velocity of 162 km s(-1) and mean redshifted velocity of 86 km s(-1). According to our photoionization calculations, the large-scale H alpha emission is unlikely to be powered by the central nucleus or by hot evolved (post-AGB) stars interspersed in the old stellar populations, but by in situ star formation; this is vindicated by the line-ratio diagnostic of the extended emission. We propose that both the ring and large-scale H alpha-emitting gas are created by the tidal accretion in a collision-and then merger-with a gas-rich galaxy of a comparable mass.
文章类型Article
关键词Galaxies: Active Galaxies: Dwarf Galaxies: Individual (Sdss j083803.68+540642.0) Galaxies: Nuclei Galaxies: Seyfert
WOS标题词Science & Technology ; Physical Sciences
资助者National Basic Research Program of China (973 program)(2015CB857101) ; National Basic Research Program of China (973 program)(2015CB857101) ; International Partnership Program of Chinese Academy of Sciences(114A11KYSB20160008) ; International Partnership Program of Chinese Academy of Sciences(114A11KYSB20160008) ; Natural Science Foundation of China grants (NSFC)(11473062 ; Natural Science Foundation of China grants (NSFC)(11473062 ; Key Laboratory for the Structure and Evolution of Celestial Objects of Chinese Academy of Sciences(OP201408) ; Key Laboratory for the Structure and Evolution of Celestial Objects of Chinese Academy of Sciences(OP201408) ; CAS Interdisciplinary Innovation Team ; CAS Interdisciplinary Innovation Team ; FAST Fellowship ; FAST Fellowship ; Special Funding for Advanced Users, budgeted ; Special Funding for Advanced Users, budgeted ; Fondecyt Project(1161184) ; Fondecyt Project(1161184) ; Strategic Priority Research Program "The Emergence of Cosmological Structures"(XDB09000000) ; Strategic Priority Research Program "The Emergence of Cosmological Structures"(XDB09000000) ; National Astronomical Observatories, Chinese Academy of Sciences ; National Astronomical Observatories, Chinese Academy of Sciences ; Special Fund for Astronomy from the Ministry of Finance ; Special Fund for Astronomy from the Ministry of Finance ; 11603036 ; 11603036 ; 11603021) ; 11603021) ; National Basic Research Program of China (973 program)(2015CB857101) ; National Basic Research Program of China (973 program)(2015CB857101) ; International Partnership Program of Chinese Academy of Sciences(114A11KYSB20160008) ; International Partnership Program of Chinese Academy of Sciences(114A11KYSB20160008) ; Natural Science Foundation of China grants (NSFC)(11473062 ; Natural Science Foundation of China grants (NSFC)(11473062 ; Key Laboratory for the Structure and Evolution of Celestial Objects of Chinese Academy of Sciences(OP201408) ; Key Laboratory for the Structure and Evolution of Celestial Objects of Chinese Academy of Sciences(OP201408) ; CAS Interdisciplinary Innovation Team ; CAS Interdisciplinary Innovation Team ; FAST Fellowship ; FAST Fellowship ; Special Funding for Advanced Users, budgeted ; Special Funding for Advanced Users, budgeted ; Fondecyt Project(1161184) ; Fondecyt Project(1161184) ; Strategic Priority Research Program "The Emergence of Cosmological Structures"(XDB09000000) ; Strategic Priority Research Program "The Emergence of Cosmological Structures"(XDB09000000) ; National Astronomical Observatories, Chinese Academy of Sciences ; National Astronomical Observatories, Chinese Academy of Sciences ; Special Fund for Astronomy from the Ministry of Finance ; Special Fund for Astronomy from the Ministry of Finance ; 11603036 ; 11603036 ; 11603021) ; 11603021)
DOI10.3847/1538-4357/aa5eb6
关键词[WOS]ACTIVE GALACTIC NUCLEI ; DIGITAL SKY SURVEY ; NEARBY GALAXIES ; STAR-FORMATION ; X-RAY ; TINY TITANS ; 1ST SURVEY ; OLD STARS ; EVOLUTION ; AGN
收录类别SCI
语种英语
资助者National Basic Research Program of China (973 program)(2015CB857101) ; National Basic Research Program of China (973 program)(2015CB857101) ; International Partnership Program of Chinese Academy of Sciences(114A11KYSB20160008) ; International Partnership Program of Chinese Academy of Sciences(114A11KYSB20160008) ; Natural Science Foundation of China grants (NSFC)(11473062 ; Natural Science Foundation of China grants (NSFC)(11473062 ; Key Laboratory for the Structure and Evolution of Celestial Objects of Chinese Academy of Sciences(OP201408) ; Key Laboratory for the Structure and Evolution of Celestial Objects of Chinese Academy of Sciences(OP201408) ; CAS Interdisciplinary Innovation Team ; CAS Interdisciplinary Innovation Team ; FAST Fellowship ; FAST Fellowship ; Special Funding for Advanced Users, budgeted ; Special Funding for Advanced Users, budgeted ; Fondecyt Project(1161184) ; Fondecyt Project(1161184) ; Strategic Priority Research Program "The Emergence of Cosmological Structures"(XDB09000000) ; Strategic Priority Research Program "The Emergence of Cosmological Structures"(XDB09000000) ; National Astronomical Observatories, Chinese Academy of Sciences ; National Astronomical Observatories, Chinese Academy of Sciences ; Special Fund for Astronomy from the Ministry of Finance ; Special Fund for Astronomy from the Ministry of Finance ; 11603036 ; 11603036 ; 11603021) ; 11603021) ; National Basic Research Program of China (973 program)(2015CB857101) ; National Basic Research Program of China (973 program)(2015CB857101) ; International Partnership Program of Chinese Academy of Sciences(114A11KYSB20160008) ; International Partnership Program of Chinese Academy of Sciences(114A11KYSB20160008) ; Natural Science Foundation of China grants (NSFC)(11473062 ; Natural Science Foundation of China grants (NSFC)(11473062 ; Key Laboratory for the Structure and Evolution of Celestial Objects of Chinese Academy of Sciences(OP201408) ; Key Laboratory for the Structure and Evolution of Celestial Objects of Chinese Academy of Sciences(OP201408) ; CAS Interdisciplinary Innovation Team ; CAS Interdisciplinary Innovation Team ; FAST Fellowship ; FAST Fellowship ; Special Funding for Advanced Users, budgeted ; Special Funding for Advanced Users, budgeted ; Fondecyt Project(1161184) ; Fondecyt Project(1161184) ; Strategic Priority Research Program "The Emergence of Cosmological Structures"(XDB09000000) ; Strategic Priority Research Program "The Emergence of Cosmological Structures"(XDB09000000) ; National Astronomical Observatories, Chinese Academy of Sciences ; National Astronomical Observatories, Chinese Academy of Sciences ; Special Fund for Astronomy from the Ministry of Finance ; Special Fund for Astronomy from the Ministry of Finance ; 11603036 ; 11603036 ; 11603021) ; 11603021)
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000401172400007
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/8782
专题射电天文研究部
作者单位1.Chinese Acad Sci, Yunnan Observ, Kunming 650011, Yunnan, Peoples R China
2.Chinese Acad Sci, Key Lab Struct & Evolut Celestial Objects, Kunming 650011, Yunnan, Peoples R China
3.Chinese Acad Sci, Ctr Astron Mega Sci, 20A Datun Rd, Beijing 100012, Peoples R China
4.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
5.Univ Sci & Technol China, Dept Astron, Hefei 230026, Anhui, Peoples R China
6.Univ Chile, Dept Astron, Casilla 36-D, Santiago, Chile
7.Univ Calif Santa Cruz, Univ Calif Observ, Lick Observ, 1156 High St, Santa Cruz, CA 95064 USA
8.Peking Univ, Sch Phys, Dept Astron, Beijing 100871, Peoples R China
9.Chinese Acad Sci, Shanghai Astron Observ, Key Lab Res Galaxies & Cosmol, 80 Nandan Rd, Shanghai 200030, Peoples R China
10.Korea Astron & Space Sci Inst, Daejeon 305348, South Korea
11.Univ Sci & Technol, Daejeon 305350, South Korea
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Liu, Wen-Juan,Qian, Lei,Dong, Xiao-Bo,et al. A Ringed Dwarf LINER 1 Galaxy Hosting an Intermediate-mass Black Hole with Large-scale Rotation-like H alpha Emission[J]. ASTROPHYSICAL JOURNAL,2017,837(2).
APA Liu, Wen-Juan.,Qian, Lei.,Dong, Xiao-Bo.,Jiang, Ning.,Lira, Paulina.,...&Kim, Minjin.(2017).A Ringed Dwarf LINER 1 Galaxy Hosting an Intermediate-mass Black Hole with Large-scale Rotation-like H alpha Emission.ASTROPHYSICAL JOURNAL,837(2).
MLA Liu, Wen-Juan,et al."A Ringed Dwarf LINER 1 Galaxy Hosting an Intermediate-mass Black Hole with Large-scale Rotation-like H alpha Emission".ASTROPHYSICAL JOURNAL 837.2(2017).
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