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Discovery of an Active Intermediate-mass Black Hole Candidate in the Barred Bulgeless Galaxy NGC 3319
Jiang, Ning1,2; Wang, Tinggui1,2; Zhou, Hongyan1,3; Shu, Xinwen4; Yang, Chenwei3; Dou, Liming5; Sun, Luming1,2; Dong XB(董小波)6,7; Wang, Shaoshao4; Yang, Huan8
Source PublicationASTROPHYSICAL JOURNAL
2018-12-10
Volume869Issue:1Pages:10
DOI10.3847/1538-4357/aaeb90
Contribution Rank第6完成单位
Indexed BySCI
Keywordgalaxies: active galaxies: individual (NGC 3319) galaxies: nuclei
Abstract

We report the discovery of an active intermediate-mass black hole (IMBH) candidate in the center of nearby barred bulgeless galaxy NGC 3319. The point X-ray source revealed by archival Chandra and XMM-Newton observations is spatially coincident with the optical and UV galactic nuclei from Hubble Space Telescope observations. The spectral energy distribution derived from the unresolved X-ray and UV-optical flux is comparable with active galactic nuclei rather than ultraluminous X-ray sources, although its bolometric luminosity is only 3.6 x 10(40) erg s (1). Assuming an Eddington ratio range between 0.001 and 1, the black hole mass (M-BH) will be in the range 3 x 10(2) -3 x 10(5) M-circle dot, placing it in the so-called IMBH regime and making it possibly one of the lowest reported so far. Estimates from other approaches (e.g., fundamental plane, X-ray variability) also suggest M-BH less than or similar to 10(5) M-circle dot. Similar to other BHs in bulgeless galaxies, the discovered IMBH resides in a nuclear star cluster with mass of similar to 6 x 10(6) M-circle dot. The detection of such a low-mass BH offers us an ideal chance to study the formation and early growth of SMBH seeds, which may result from the bar-driven inflow in late-type galaxies with a prominent bar such as NGC. 3319.

Funding ProjectNational Basic Research Program of China[2015CB857005] ; NSFC[116203021] ; NSFC[11421303] ; NSFC[11573001] ; NSFC[11733001] ; NSFC[U1431229] ; NSFC[U1731104] ; Fundamental Research Funds for the Central Universities ; National Aeronautics and Space Administration ; CAS[U1431229] ; CAS[U1731104]
Funding OrganizationNational Basic Research Program of China[2015CB857005] ; NSFC[116203021, 11421303, 11573001, 11733001, U1431229, U1731104] ; Fundamental Research Funds for the Central Universities ; National Aeronautics and Space Administration ; CAS[U1431229, U1731104]
Language英语
Subject Area天文学 ; 天体物理学 ; 高能天体物理学 ; 星系与宇宙学
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeArticle
PublisherIOP PUBLISHING LTD
Publication PlaceTEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
ISSN0004-637X
URL查看原文
WOS IDWOS:000452893300005
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordNUCLEAR STAR-CLUSTERS ; DWARF SEYFERT NUCLEI ; X-RAY SOURCES ; SECULAR EVOLUTION ; SPIRAL GALAXIES ; GALACTIC NUCLEI ; DISK GALAXIES ; EMISSION ; ATLAS ; BARS
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/18621
Collection丽江天文观测站(南方基地)
中国科学院天体结构与演化重点实验室
Corresponding AuthorJiang, Ning
Affiliation1.Key laboratory for Research in Galaxies and Cosmology, Department of Astronomy, University of Science and Technology of China, Chinese Academy of Sciences, Hefei, Anhui 230026, People's Republic of China
2.School of Astronomy and Space Sciences, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China
3.Polar Research Institute of China, 451 Jinqiao Road, Shanghai, 200136, People's Republic of China
4.Department of Physics, Anhui Normal University, Wuhu, Anhui, 241000, People's Republic of China
5.Center for Astrophysics, Guangzhou University, Guangzhou, 510006, People's Republic of China
6.Yunnan Observatories, Chinese Academy of Sciences, Kunming, Yunnan 650011, People's Republic of China
7.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming, Yunnan 650011, People's Republic of China
8.Las Campanas Observatory, Carnegie Institution for Science, Casilla 601, La Serena, Chile
Recommended Citation
GB/T 7714
Jiang, Ning,Wang, Tinggui,Zhou, Hongyan,et al. Discovery of an Active Intermediate-mass Black Hole Candidate in the Barred Bulgeless Galaxy NGC 3319[J]. ASTROPHYSICAL JOURNAL,2018,869(1):10.
APA Jiang, Ning.,Wang, Tinggui.,Zhou, Hongyan.,Shu, Xinwen.,Yang, Chenwei.,...&Yang, Huan.(2018).Discovery of an Active Intermediate-mass Black Hole Candidate in the Barred Bulgeless Galaxy NGC 3319.ASTROPHYSICAL JOURNAL,869(1),10.
MLA Jiang, Ning,et al."Discovery of an Active Intermediate-mass Black Hole Candidate in the Barred Bulgeless Galaxy NGC 3319".ASTROPHYSICAL JOURNAL 869.1(2018):10.
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