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C2H, HC3N and HNC observations in OMC-2/3
Liu, Qiang1,2; Yang, Ji1; Sun, Yan1; Xu, Ye1
2011-06-01
发表期刊RESEARCH IN ASTRONOMY AND ASTROPHYSICS
卷号11期号:6页码:671-678
摘要For the first time, the OMC-2/3 region was mapped in C2H (1-0), HC3N (10-9) and HNC (1-0) lines. In general, the emissions from all the three molecular species reveal an extended filamentary structure. The distribution of C2H cores almost follows that of the 1300 mu m condensations, which might suggest that C2H is a good tracer to study the core structure of molecular clouds. The core masses traced by HNC are rather flat, ranging from 18.8 to 49.5 M-circle dot, while also presenting a large span for those from C2H, ranging from 6.4 to 36.0 M-circle dot. The line widths of both HNC and C2H look very similar, and both are wider than that of HC3N. The line widths of the three lines are all wider than those from dark clouds, implying that the former is more active than the latter, and has larger turbulence caused by winds and UV radiation from the surrounding massive stars.
文章类型Article
关键词Ism: Abundances Ism: Individual (Orion Molecular Clouds) Ism: Molecules Stars: Formation
WOS标题词Science & Technology ; Physical Sciences
关键词[WOS]ORION MOLECULAR CLOUD ; MASSIVE STAR-FORMATION ; DENSE CORES ; OUTFLOWS ; CYANOACETYLENE ; ABUNDANCES ; AMMONIA ; REGION ; CS
收录类别SCI
语种英语
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000291963900006
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文献类型期刊论文
条目标识符http://libir.pmo.ac.cn/handle/332002/15979
专题分子云与恒星形成研究团组
作者单位1.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
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Liu, Qiang,Yang, Ji,Sun, Yan,et al. C2H, HC3N and HNC observations in OMC-2/3[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2011,11(6):671-678.
APA Liu, Qiang,Yang, Ji,Sun, Yan,&Xu, Ye.(2011).C2H, HC3N and HNC observations in OMC-2/3.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,11(6),671-678.
MLA Liu, Qiang,et al."C2H, HC3N and HNC observations in OMC-2/3".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 11.6(2011):671-678.
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