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题名: The total column densities and fractional abundances of CH3CN, CH3OH, HCOOCH3 and (CS)-C-13 in W51 cores
作者: Pei, CC; Ma HongJun(马红君); Qin, Z; Bo, L
刊名: SCIENCE IN CHINA SERIES G-PHYSICS MECHANICS & ASTRONOMY
出版日期: 2005-04-01
卷号: 48, 期号:2, 页码:158-167
关键词: massive star formation ; interstellar molecular lines ; column density ; fractional abundance
DOI: 10.1360/04yw0109
文章类型: Article
英文摘要: We present interferometric observations of the W51 region at 2.7 mm and 3.3 mm with the Berkeley-Illinois-Maryland Association Array. The lines of CH3CN (J = 6 - 5, K = 0, 1,2,3,4), CH3OH (15(-2) - 15(1), E), HCOOCH3-A (7(1,6) - 6(1,5)), HCOOCH3-E (7(1,6) - 6(1,5)) and (CS)-C-13 (2- 1) as well as the 2.7 mm continuum toward W51 have been observed. The derived total beam-averaged column densities N-T and fractional abundances of CH3CN, CH3OH, HCOOCH3 and (CS)-C-13 in W51 cores have been obtained.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Physics, Multidisciplinary
研究领域[WOS]: Physics
关键词[WOS]: METHANOL ; COLLAPSE ; SPECTRA ; LINES
收录类别: SCI
语种: 英语
WOS记录号: WOS:000229230500004
Citation statistics:
内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/15856
Appears in Collections:期刊(老文献)_期刊论文

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作者单位: 1.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
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