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Kinematic properties of the dual AGN system J0038+4128 based on long-slit spectroscopy
Zhang YW(张杨威)1,5; Huang, Yang3; Bai JM(白金明)1,2; Liu, Xiao-Wei3,4; Wang JG(王建国)1,2; Zhang, YW
发表期刊RESEARCH IN ASTRONOMY AND ASTROPHYSICS
2016-03-01
卷号16期号:3
DOI10.1088/1674-4527/16/3/041
产权排序第1完成单位
收录类别SCI
关键词Techniques: Spectroscopic Galaxies: Kinematics And Dynamics Galaxies: Active Galaxies: Interactions Galaxies: Nuclei Galaxies: Individual (j0038+4128)
摘要The study of kiloparsec-scale dual active galactic nuclei (AGN) provides important clues for understanding the co-evolution between host galaxies and their central supermassive black holes undergoing a merging process. We present long-slit spectroscopy of J0038+4128, a kiloparsec-scale dual AGN candidate, discovered recently by Huang et al., using the Yunnan Faint Object Spectrograph and Camera (YFOSC) mounted on the Lijiang 2.4-m telescope administered by Yunnan Observatories. From the long-slit spectra, we find that the average relative line-of-sight (LOS) velocity between the two nuclei (J0038+4128N and J0038+4128S) is about 150 km s(-1). The LOS velocities of the emission lines from the gas ionized by the nuclei activities and of the absorption lines from stars governed by the host galaxies for different regions of J0038+4128 exhibit the same trend. The same trend in velocities indicates that the gaseous disks are co-rotating with the stellar disks in this ongoing merging system. We also find several knots/giant H II regions scattered around the two nuclei with strong star formation revealed by the observed line ratios from the spectra. Those regions are also clearly detected in images from HST F336W/U-band and HST F555I47V-band.
项目资助者CAS ; People's Government of Yunnan Province ; National Natural Science Foundation of China(11133006, 11361140347) ; Chinese Academy of Sciences(XDB09000000) ; National Key Basic Research Program of China(2014CB845700)
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN1674-4527
URL查看原文
归档日期2016-04-19
WOS记录号WOS:000371883400005
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]ACTIVE GALACTIC NUCLEUS ; SUPERMASSIVE BLACK-HOLES ; GALAXY NGC 4550 ; HOST GALAXIES ; MOLECULAR GAS ; BINARY QUASAR ; X-RAY ; CHANDRA ; DISCOVERY ; MERGERS
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/9353
专题丽江天文观测站(南方基地)
中国科学院天体结构与演化重点实验室
通讯作者Zhang, YW
作者单位1.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650011, China
2.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming 650011, China
3.Department of Astronomy, Peking University, Beijing 100871, China
4.Kavli Institute for Astronomy and Astrophysics, Peking University, Beijing 100871, China
5.University of Chinese Academy of Sciences, Beijing 100049, China
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Zhang YW,Huang, Yang,Bai JM,et al. Kinematic properties of the dual AGN system J0038+4128 based on long-slit spectroscopy[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2016,16(3).
APA Zhang YW,Huang, Yang,Bai JM,Liu, Xiao-Wei,Wang JG,&Zhang, YW.(2016).Kinematic properties of the dual AGN system J0038+4128 based on long-slit spectroscopy.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,16(3).
MLA Zhang YW,et al."Kinematic properties of the dual AGN system J0038+4128 based on long-slit spectroscopy".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 16.3(2016).
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