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(CO)-C-13 mapping study for massive molecular cloud cores
Wu, YF; Wang, JZ; Wu, JW; Yan, HR; Lei, CM; Sun, JJ; Wang, LM
2001-04-01
发表期刊SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY
卷号44期号:4页码:536-544
摘要Using the newly installed SIS receiving system on the 13.7 m telescope at Qinghai Station of PMO, United Radio Astronomy of CAS, CO isotope (CO)-C-13 J = 1-0 and (CO)-O-18 J = 1-0 lines were observed for three sources S241, S39 and ON3. Results show that the three sources have massive cores, of which the size is similar to 2-5 pc, masses are similar to 10(3)-10(4) M-circle dot. The widths of lines are also larger than those in low mass cores. And high velocity characteristics were observed for all the sources. The V-LSR distribution presents rotation of the core in ON3. And all the three cores contain deeply embedded forming massive stars. The young stellar objects in S241 and ON3 seem to be moving away from their birth sites.
文章类型Article
关键词Interstellar Matter Molecular Clouds Interstellar Dynamics Star Formation
WOS标题词Science & Technology ; Physical Sciences
关键词[WOS]STAR-FORMATION ; GALAXY ; OUTFLOWS ; REGIONS
收录类别SCI
语种英语
WOS研究方向Mathematics
WOS类目Mathematics, Applied ; Mathematics
WOS记录号WOS:000168510300015
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文献类型期刊论文
条目标识符http://libir.pmo.ac.cn/handle/332002/15790
专题南极天文中心
作者单位1.Beijing Univ, Dept Astron, CAS, PKU,Joint Beijing Astrophys Ctr, Beijing 100871, Peoples R China
2.Chinese Acad Sci, Purple Mt Observ, Qinghai Stn, Delingha 817000, Peoples R China
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GB/T 7714
Wu, YF,Wang, JZ,Wu, JW,et al. (CO)-C-13 mapping study for massive molecular cloud cores[J]. SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY,2001,44(4):536-544.
APA Wu, YF.,Wang, JZ.,Wu, JW.,Yan, HR.,Lei, CM.,...&Wang, LM.(2001).(CO)-C-13 mapping study for massive molecular cloud cores.SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY,44(4),536-544.
MLA Wu, YF,et al."(CO)-C-13 mapping study for massive molecular cloud cores".SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY 44.4(2001):536-544.
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