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题名: CO and its Isotopomers Observation towards Sgr B2
作者: Sun, L. L.1; Zhang, J. S.1; Lu, D. R.2; Qiu, J. J.1
刊名: JOURNAL OF ASTROPHYSICS AND ASTRONOMY
出版日期: 2014-09-01
卷号: 35, 期号:3, 页码:541-543
关键词: Sgr B2: (CO)-O-18: (CO)-O-17
文章类型: Article
英文摘要: We present our observations toward Sgr B2 region in J = 1-0 lines of (CO)-C-12, (CO)-C-13, (CO)-O-18 and (CO)-O-17 using 13.7-m Delingha millimeter telescope with newly installed 9-beam SIS superconducting receiver. From the integrated line intensity, we derive the abundance ratio of (CO)-O-18/(CO)-O-17 with a mean value of 3.11 +/- 0.10, which is consistent with the previous results.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Astronomy & Astrophysics
研究领域[WOS]: Astronomy & Astrophysics
关键词[WOS]: GALACTIC-CENTER ; GAS
收录类别: SCI
语种: 英语
WOS记录号: WOS:000350481700083
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内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/15670
Appears in Collections:南极天文中心_期刊论文

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作者单位: 1.Guangzhou Univ, Ctr Astrophys, Guangzhou 510006, Guangdong, Peoples R China
2.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
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