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DOUBLE-PEAKED NARROW EMISSION-LINE GALAXIES FROM THE SLOAN DIGITAL SKY SURVEY. I. SAMPLE AND BASIC PROPERTIES
Ge, JQ1; Hu, C1; Wang, JM1,2; Bai JM(白金明)3; Zhang, S1; Ge, JQ (reprint author), Chinese Acad Sci, Inst High Energy Phys, Key Lab Particle Astrophys, 19B Yuquan Rd, Beijing 100049, Peoples R China.
发表期刊ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES
2012-08
卷号201期号:2
DOI10.1088/0067-0049/201/2/31
产权排序第3完成单位
收录类别SCI
关键词Black Hole Physics Galaxies: Evolution
摘要Recently, much attention has been paid to double-peaked narrow emission-line (NEL) galaxies, some of which are suggested to be related to merging galaxies. We make a systematic search to build the largest sample of these sources from Data Release 7 of the Sloan Digital Sky Survey (SDSS). With reasonable criteria for fluxes, FWHMs of the emission lines, and separations of the peaks, we select 3030 double-peaked NEL galaxies. In light of the existence of broad Balmer lines and the locations of the two components of double-peaked NELs distinguished by the Kauffmann et al. criteria in the Baldwin-Phillips-Terlevich diagram, we find that there are 81 Type I active galactic nuclei (AGNs), 837 double Type II AGNs (2-Type II), 708 galaxies with double star-forming components (2-SF), 400 with mixed star-forming and Type II AGN components (Type II + SF), and 1004 unknown-type objects. As a by-product, a sample of galaxies (12,582) with asymmetric or top-flat profiles of emission lines is established. After visually inspecting the SDSS images of the two samples, we find 54 galaxies with dual cores. The present samples can be used to study the dynamics of merging galaxies, the triggering mechanism of black hole activity, the hierarchical growth of galaxies, and the dynamics of narrow line regions driven by outflows and a rotating disk.
项目资助者973 project [2009CB824800] ; Alfred P. Sloan Foundation ; American Museum of Natural History ; Astrophysical Institute Potsdam ; University of Basel ; University of Cambridge ; Case Western Reserve University ; University of Chicago ; Drexel University ; Fermilab ; Institute for Advanced Study ; Japan Participation Group ; Johns Hopkins University ; Joint Institute for Nuclear Astrophysics ; Kavli Institute for Particle Astrophysics and Cosmology ; Korean Scientist Group ; Chinese Academy of Sciences (LAMOST) ; Los Alamos National Laboratory ; Max-Planck-Institute for Astronomy (MPIA) ; Max-Planck-Institute for Astrophysics (MPA) ; New Mexico State University ; Ohio State University ; University of Pittsburgh ; University of Portsmouth ; Princeton University ; United States Naval Observatory ; University of Washington ; National Science Foundation ; U.S. Department of Energy ; National Aeronautics and Space Administration ; Japanese Monbukagakusho ; Max Planck Society ; Higher Education Funding Council for England ; [NSFC-10733010] ; [10821061] ; [10903008] ; [11133006] ; [NSFC-11073021] ; [11133002]
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0067-0049
URL查看原文
WOS记录号WOS:000309555900024
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]ACTIVE GALACTIC NUCLEI ; RESOLVED OPTICAL SPECTROSCOPY ; STELLAR VELOCITY DISPERSIONS ; SEYFERT-GALAXIES ; GASEOUS KINEMATICS ; REGION KINEMATICS ; REDSHIFT SURVEY ; STAR-FORMATION ; HOST GALAXIES ; MASS OUTFLOWS
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/5419
专题丽江天文观测站(南方基地)
通讯作者Ge, JQ (reprint author), Chinese Acad Sci, Inst High Energy Phys, Key Lab Particle Astrophys, 19B Yuquan Rd, Beijing 100049, Peoples R China.
作者单位1.Key Laboratory for Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, 19B Yuquan Road, Beijing 100049, China
2.National Astronomical Observatories, Chinese Academy of Sciences, 20 Datun Road, Beijing 100020, China
3.Yunnan Observatory, Chinese Academy of Sciences, Kunming 650011, China
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Ge, JQ,Hu, C,Wang, JM,et al. DOUBLE-PEAKED NARROW EMISSION-LINE GALAXIES FROM THE SLOAN DIGITAL SKY SURVEY. I. SAMPLE AND BASIC PROPERTIES[J]. ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES,2012,201(2).
APA Ge, JQ,Hu, C,Wang, JM,Bai JM,Zhang, S,&Ge, JQ .(2012).DOUBLE-PEAKED NARROW EMISSION-LINE GALAXIES FROM THE SLOAN DIGITAL SKY SURVEY. I. SAMPLE AND BASIC PROPERTIES.ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES,201(2).
MLA Ge, JQ,et al."DOUBLE-PEAKED NARROW EMISSION-LINE GALAXIES FROM THE SLOAN DIGITAL SKY SURVEY. I. SAMPLE AND BASIC PROPERTIES".ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES 201.2(2012).
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