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题名: CO CORE CANDIDATES IN THE GEMINI MOLECULAR CLOUD
作者: Li, Yingjie1, 2, 3; Xu Ye(徐烨)2; Yang Ji(杨戟)2; Du, Xin-Yu2, 3; Lu, Deng-Rong2; Li, Fa-Cheng2, 3
刊名: ASTRONOMICAL JOURNAL
出版日期: 2015-08-01
卷号: 150, 期号:2, 页码:60
关键词: ISM: kinematics and dynamics ; ISM: molecules ; stars: formation
学科分类: 天文和天体物理
DOI: 10.1088/0004-6256/150/2/60
文章类型: Article
英文摘要: We present observations of a 4 square degree area toward the Gemini cloud obtained using J = 1-0 transitions of (CO)-C-12, (CO)-C-13, and (CO)-O-18. No (CO)-O-18 emission was detected. This region is composed of 36 core candidates of (CO)-C-13. These core candidates have characteristic diameters of 0.25 pc, excitation temperatures of 7.9 K, line widths of 0.54 km s(-1), and mean masses of 1.4 M-circle dot. They are likely to be starless core candidates or transient structures, which probably disperse after similar to 10(6) years.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Astronomy & Astrophysics
研究领域[WOS]: Astronomy & Astrophysics
关键词[WOS]: LATITUDE CIRRUS CLOUDS ; INITIAL MASS FUNCTION ; STAR-FORMATION ; DENSE CORE ; DARK CLOUDS ; MILKY-WAY ; EXTINCTION ; EVOLUTION ; CLUMPS ; TURBULENCE
收录类别: SCI
所属项目名称: PMO_LIB-IR
语种: 英语
WOS记录号: WOS:000358856900021
Citation statistics:
内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/14902
Appears in Collections:紫金山天文台青海观测站_期刊论文

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作者单位: 1.Qinhai Normal Univ, Xining 810000, Peoples R China
2.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
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