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Effect of optical depth on study of chemical properties of massive star forming clumps(dagger)
Zhou, Jian-jun1,3; Li, Run-xia1,2; Quan, Donghui1,4; Esimbek, Jarken1,3; He, Yu-xin1,3; Li, Da-lei1,3; Tang, Xin-di1,3; Wu, Gang1,3; Ji, Wei-guang1,3; Chang, Zheng-xue1,2; Zhang, Xia1,2
2020-02-01
Source PublicationCHINESE JOURNAL OF CHEMICAL PHYSICS
ISSN1674-0068
Volume33Issue:1Pages:114-118
Corresponding AuthorLi, Run-xia(lirunxia@xao.ac.cn)
AbstractHere we present the study on chemical properties of massive star forming clumps using N2H+(1-0), (HCO+)-C-13(1-0), HCN(1-0) and (HNC)-C-13(1-0) data from the literature [Astron. Astrophys. 563, A97 (2014)]. We found that abundances of (HCO+)-C-13 and (HNC)-C-13 are affected by H-2 column densities. As the median values of these two abundances increase by nearly 10 times from stages A to B, (HCO+)-C-13 and (HNC)-C-13 are suitable for tracing the evolution of massive star forming clumps. The order of rapidity in growth of abundances of all the four studied molecules from stages A to B, is (HCO+)-C-13, HCN, (HNC)-C-13, and N2H+, from the highest to the lowest. Our results suggest that the observing optically thin molecular lines with high angular resolution are necessary to study the chemical evolution of massive star forming clumps.
KeywordStars formation Clumps Molecules Radio lines
DOI10.1063/1674-0068/cjcp1911212
Indexed BySCI
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Atomic, Molecular & Chemical
WOS IDWOS:000521229200019
PublisherCHINESE PHYSICAL SOC
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Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/35829
Collection中国科学院紫金山天文台
Corresponding AuthorLi, Run-xia
Affiliation1.Chinese Acad Sci, Xinjiang Astron Observ, Urumqi 830011, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100080, Peoples R China
3.Chinese Acad Sci, Key Lab Radio Astron, Urumqi 830011, Peoples R China
4.Eastern Kentucky Univ, Dept Chem, Richmond, KY 40475 USA
Recommended Citation
GB/T 7714
Zhou, Jian-jun,Li, Run-xia,Quan, Donghui,et al. Effect of optical depth on study of chemical properties of massive star forming clumps(dagger)[J]. CHINESE JOURNAL OF CHEMICAL PHYSICS,2020,33(1):114-118.
APA Zhou, Jian-jun.,Li, Run-xia.,Quan, Donghui.,Esimbek, Jarken.,He, Yu-xin.,...&Zhang, Xia.(2020).Effect of optical depth on study of chemical properties of massive star forming clumps(dagger).CHINESE JOURNAL OF CHEMICAL PHYSICS,33(1),114-118.
MLA Zhou, Jian-jun,et al."Effect of optical depth on study of chemical properties of massive star forming clumps(dagger)".CHINESE JOURNAL OF CHEMICAL PHYSICS 33.1(2020):114-118.
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