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Neutral Carbon Emission in Luminous Infrared Galaxies: The [CI] Lines as Total Molecular Gas Tracers
Jiao, Qian1,2,3; Zhao, Yinghe4,5,6,7; Zhu, Ming1,2; Lu, Nanyao1,8; Gao, Yu7,9; Zhang, Zhi-Yu10,11
2017-05-10
发表期刊ASTROPHYSICAL JOURNAL LETTERS
卷号840期号:2
摘要We present a statistical study of the [C I] (P-3(1) (R) P-3(0)), [C I] (P-3(2) (R) P-3(1)) lines (hereafter [C I] (1-0) and [C I] (2-1), respectively) and the CO(1-0) line for a sample of (ultra-) luminous infrared galaxies ((U) LIRGs). We explore the correlations between the luminosities of CO(1-0) and [C I] lines, and find that L'(CO(1-0)) correlates almost linearly with both L'[C I] (1-0) and L'[C I] (2-1), suggesting that [C I] lines can trace total molecular gas mass, at least for (U) LIRGs. We also investigate the dependence of L'([C I] (1-0))/L'(CO (1-0)), L'([C I] (2-1))/L'(CO (1-0)), and L'([C I] (2-1))/L'([C I] (1-0)) on the far-infrared color of 60-to-100 mu m, and find non-correlation, a weak correlation, and a modest correlation, respectively. Under the assumption that these two carbon transitions are optically thin, we further calculate the [C I] line excitation temperatures, atomic carbon masses, and mean [C I] line flux-to-H-2 mass conversion factors for our sample. The resulting H-2 masses using these [C I]-based conversion factors roughly agree with those derived from L'(CO (1-0)) and CO-to-H-2 conversion factor.
文章类型Article
关键词Galaxies: Starburst Ism: Atoms Ism: Molecules Submillimeter: Galaxies
WOS标题词Science & Technology ; Physical Sciences
资助者Natural Science Foundation of China(11673057 ; Natural Science Foundation of China(11673057 ; CAS Key Research Program of Frontier Sciences ; CAS Key Research Program of Frontier Sciences ; ERC in the form of the Advanced Investigator Programme(321302) ; ERC in the form of the Advanced Investigator Programme(321302) ; U1531246 ; U1531246 ; 11420101002 ; 11420101002 ; 11673028 ; 11673028 ; 11311130491) ; 11311130491) ; Natural Science Foundation of China(11673057 ; Natural Science Foundation of China(11673057 ; CAS Key Research Program of Frontier Sciences ; CAS Key Research Program of Frontier Sciences ; ERC in the form of the Advanced Investigator Programme(321302) ; ERC in the form of the Advanced Investigator Programme(321302) ; U1531246 ; U1531246 ; 11420101002 ; 11420101002 ; 11673028 ; 11673028 ; 11311130491) ; 11311130491)
DOI10.3847/2041-8213/aa6f0f
关键词[WOS]HIGH-REDSHIFT GALAXIES ; ATOMIC CARBON ; PHYSICAL CONDITIONS ; CO ; DUST ; ASTRONOMY ; SAMPLE ; MODEL
收录类别SCI
语种英语
资助者Natural Science Foundation of China(11673057 ; Natural Science Foundation of China(11673057 ; CAS Key Research Program of Frontier Sciences ; CAS Key Research Program of Frontier Sciences ; ERC in the form of the Advanced Investigator Programme(321302) ; ERC in the form of the Advanced Investigator Programme(321302) ; U1531246 ; U1531246 ; 11420101002 ; 11420101002 ; 11673028 ; 11673028 ; 11311130491) ; 11311130491) ; Natural Science Foundation of China(11673057 ; Natural Science Foundation of China(11673057 ; CAS Key Research Program of Frontier Sciences ; CAS Key Research Program of Frontier Sciences ; ERC in the form of the Advanced Investigator Programme(321302) ; ERC in the form of the Advanced Investigator Programme(321302) ; U1531246 ; U1531246 ; 11420101002 ; 11420101002 ; 11673028 ; 11673028 ; 11311130491) ; 11311130491)
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000404545200002
引用统计
文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/8836
专题射电天文研究部
作者单位1.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
2.Chinese Acad Sci, Key Lab Radio Astron, Beijing 100012, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100012, Peoples R China
4.Chinese Acad Sci, Yunnan Observ, Kunming 650011, Peoples R China
5.Chinese Acad Sci, Key Lab Struct & Evolut Celestial Objects, Kunming 650011, Peoples R China
6.Chinese Acad Sci, Ctr Astron Mega Sci, 20A Datun Rd, Beijing 100012, Peoples R China
7.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
8.CCJCA, Camino Observ 1515, Santiago, Chile
9.Chinese Acad Sci, Key Lab Radio Astron, Nanjing 210008, Peoples R China
10.Univ Edinburgh, Royal Observ, Inst Astron, Blackford Hill, Edinburgh EH9 3HJ, Midlothian, Scotland
11.ESO, Karl Schwarzschild Str 2, D-85748 Munich, Germany
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GB/T 7714
Jiao, Qian,Zhao, Yinghe,Zhu, Ming,et al. Neutral Carbon Emission in Luminous Infrared Galaxies: The [CI] Lines as Total Molecular Gas Tracers[J]. ASTROPHYSICAL JOURNAL LETTERS,2017,840(2).
APA Jiao, Qian,Zhao, Yinghe,Zhu, Ming,Lu, Nanyao,Gao, Yu,&Zhang, Zhi-Yu.(2017).Neutral Carbon Emission in Luminous Infrared Galaxies: The [CI] Lines as Total Molecular Gas Tracers.ASTROPHYSICAL JOURNAL LETTERS,840(2).
MLA Jiao, Qian,et al."Neutral Carbon Emission in Luminous Infrared Galaxies: The [CI] Lines as Total Molecular Gas Tracers".ASTROPHYSICAL JOURNAL LETTERS 840.2(2017).
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