HST and LAMOST discover a dual active galactic nucleus in J0038+4128

	HST and LAMOST discover a dual active galactic nucleus in J0038+4128
	Huang, Y.1 ; Liu, X. -W.1,2; Yuan, H. -B.2; Xiang, M. -S.1; Huo, Z. -Y.3; Hou, Y. -H.4; Jin, G.5; Zhang, Y.4; Zhou, X. -L.3
刊名	MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
	2014-04-01
卷号	439 期号:3 页码:2927-2932
关键词	galaxies: active galaxies: individual: J0038+4128 galaxies: interactions galaxies: nuclei galaxies: Seyfert
英文摘要	We report the discovery of a kiloparsec-scale dual active galactic nucleus (AGN) in J0038+4128. From the Hubble Space Telescope (HST) Wide Field Planetary Camera 2 (WFPC2) images, we find two optical nuclei with a projection separation of 4.7 kpc (3.44 arcsec). The southern component (J0038+4128S) is spectroscopically observed with the HST Goddard High Resolution Spectrograph in the UV range and is found to be a Seyfert 1 galaxy with a broad Ly alpha emission line. The northern component (J0038+4128N) is spectroscopically observed during the Large Sky Area Multi-Object Fibre Spectroscopic Telescope (also named the Guoshoujing Telescope) pilot survey in the optical range. The observed line ratios as well as the consistency of redshift of the nucleus emission lines and the host galaxy's absorption lines indicate that J0038+4128N is a Seyfert 2 galaxy with narrow lines only. These results thus confirm that J0038+4128 is a Seyfert 1-Seyfert 2 AGN pair. The HST WFPC2 F336W/U-band image of J0038+4128 also reveals for the first time for a dual AGN system two pairs of bi-symmetric arms, as are expected from the numerical simulations of such system. Being one of a few confirmed kiloparsec-scale dual AGNs exhibiting a clear morphological structure of the host galaxies, J0038+4128 provides a unique opportunity to study the co-evolution of the host galaxies and their central supermassive black holes undergoing a merging process.
收录类别	SCI
语种	英语
WOS记录号	WOS:000334114900055
内容类型	期刊论文
源URL	[http://ir.bao.ac.cn/handle/114a11/6425]
专题	国家天文台_光学天文研究部
作者单位	1.Peking Univ, Dept Astron, Beijing 100871, Peoples R China 2.Peking Univ, Kavli Inst Astron & Astrophys, Beijing 100871, Peoples R China 3.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China 4.Chinese Acad Sci, Nanjing Inst Astron Opt & Technol, Natl Astron Observ, Nanjing 210042, Jiangsu, Peoples R China 5.Univ Sci & Technol China, Hefei 230026, Peoples R China
推荐引用方式 GB/T 7714	Huang, Y.,Liu, X. -W.,Yuan, H. -B.,et al. HST and LAMOST discover a dual active galactic nucleus in J0038+4128[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2014,439(3):2927-2932.
APA	Huang, Y..,Liu, X. -W..,Yuan, H. -B..,Xiang, M. -S..,Huo, Z. -Y..,...&Zhou, X. -L..(2014).HST and LAMOST discover a dual active galactic nucleus in J0038+4128.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,439(3),2927-2932.
MLA	Huang, Y.,et al."HST and LAMOST discover a dual active galactic nucleus in J0038+4128".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 439.3(2014):2927-2932.