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CS (5-4) survey towards nearby infrared bright galaxies
Wang, Junzhi1,2,3; Zhang, Zhiyu3,4,5; Shi, Yong6
2011-09-01
发表期刊MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
卷号416期号:1页码:L21-L25
摘要With the observations of the CS (5-4) line towards a sample of 24 infrared bright galaxies using Heinrich Hertz Submillimeter Telescope (HHSMT), we detected CS (5-4) emission in 14 galaxies, including 12 ultraluminous infrared galaxies (ULIRGs)/luminous infrared galaxies (LIRGs) and two nearby normal galaxies. As a good dense gas tracer, which has been well used for studying star formation in the Milky Way, CS (5-4) can trace the active star-forming gas in galaxies. The correlation between CS (5-4) luminosity, which is estimated with detected CS (5-4) line emission, and the infrared luminosity in these 14 galaxies, is fitted with a correlation coefficient of 0.939 and a slope close to unity. This correlation confirms that dense gas, which is closely linked to star formation, is very important for understanding star formation in galaxies.
文章类型Article
关键词Ism: Molecules Galaxies: Ism Radio Lines: Galaxies
WOS标题词Science & Technology ; Physical Sciences
DOI10.1111/j.1745-3933.2011.01090.x
收录类别SCI
语种英语
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000208722200005
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文献类型期刊论文
条目标识符http://libir.pmo.ac.cn/handle/332002/15981
专题星系中的恒星形成研究团组
作者单位1.Nanjing Univ, Dept Astron, Nanjing 210093, Jiangsu, Peoples R China
2.Nanjing Univ, Minist Educ, Key Lab Modern Astron & Astrophys, Nanjing 210093, Jiangsu, Peoples R China
3.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
4.Max Planck Inst Radioastron, D-53121 Bonn, Germany
5.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
6.CALTECH, Ctr Infrared Proc & Anal, Pasadena, CA 91125 USA
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Wang, Junzhi,Zhang, Zhiyu,Shi, Yong. CS (5-4) survey towards nearby infrared bright galaxies[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2011,416(1):L21-L25.
APA Wang, Junzhi,Zhang, Zhiyu,&Shi, Yong.(2011).CS (5-4) survey towards nearby infrared bright galaxies.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,416(1),L21-L25.
MLA Wang, Junzhi,et al."CS (5-4) survey towards nearby infrared bright galaxies".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 416.1(2011):L21-L25.
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