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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
Source PublicationSCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY
Volume44Issue:4Pages:536-544
AbstractUsing 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.
KeywordInterstellar Matter Molecular Clouds Interstellar Dynamics Star Formation
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordSTAR-FORMATION ; GALAXY ; OUTFLOWS ; REGIONS
Indexed BySCI
Language英语
WOS Research AreaMathematics
WOS SubjectMathematics, Applied ; Mathematics
WOS IDWOS:000168510300015
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/15790
Collection南极天文中心
Affiliation1.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
Recommended Citation
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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