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A spectral line survey of IRC+10216 between 13.3 and 18.5 GHz
Zhang, Xiao-Yan1,2; Zhu, Qing-Feng1,2; Li, Juan3,4; Chen, Xi3,4,5; Wang, Jun-Zhi3,4; Zhang, Jiang-Shui5
2017-10-13
Source PublicationASTRONOMY & ASTROPHYSICS
ISSN1432-0746
Volume606Pages:10
Corresponding AuthorZhang, Xiao-Yan(xyz1128@mail.ustc.edu.cn)
AbstractA spectral line survey of IRC + 10216 between 13.3 and 18.5 GHz was carried out using the Shanghai Tian Ma 65 m Radio Telescope (TMRT-65 m) with a sensitivity of <7 mK. Thirty-five spectral lines of 12 different molecules and radicals were detected in total. Except for SiS, the detected molecules are all carbon-chain molecules, including HC3N, HC5N, HC7N, HC9N, C6H, C6H, C8H, SiC2, SiC4, c-C3H2, and l-C5H. The presence of rich carbon-bearing molecules is consistent with the identity of IRC +10216 as a carbon-rich asymptotic giant branch (AGB) star. The excitation temperatures and column densities of the observed species are derived by assuming a local thermodynamic equilibrium and homogeneous conditions.
Keywordstars: individual: IRC+10216 radio lines: stars line: identification
DOI10.1051/0004-6361/201730791
WOS KeywordDUST FORMATION ZONE ; IRC +10216 ; CIRCUMSTELLAR ENVELOPE ; ASTRONOMICAL DETECTION ; TENTATIVE DETECTION ; CARBON ; SUBMILLIMETER ; MILLIMETER ; HC5N ; +10-DEGREES-216
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000412878200003
PublisherEDP SCIENCES S A
Citation statistics
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/22785
Collection中国科学院紫金山天文台
Corresponding AuthorZhang, Xiao-Yan
Affiliation1.Univ Sci & Technol China, Dept Astron, CAS Key Lab Res Galaxies & Cosmol, Hefei 230026, Peoples R China
2.Univ Sci & Technol China, Sch Astron & Space Sci, Hefei 230026, Peoples R China
3.Shanghai Astron Observ, Dept Radio Sci & Technol, 80 Nandan RD, Shanghai 200030, Peoples R China
4.Chinese Acad Sci, Key Lab Radio Astron, Beijing, Peoples R China
5.Guangzhou Univ, Ctr Astrophys, Guangzhou 510006, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Xiao-Yan,Zhu, Qing-Feng,Li, Juan,et al. A spectral line survey of IRC+10216 between 13.3 and 18.5 GHz[J]. ASTRONOMY & ASTROPHYSICS,2017,606:10.
APA Zhang, Xiao-Yan,Zhu, Qing-Feng,Li, Juan,Chen, Xi,Wang, Jun-Zhi,&Zhang, Jiang-Shui.(2017).A spectral line survey of IRC+10216 between 13.3 and 18.5 GHz.ASTRONOMY & ASTROPHYSICS,606,10.
MLA Zhang, Xiao-Yan,et al."A spectral line survey of IRC+10216 between 13.3 and 18.5 GHz".ASTRONOMY & ASTROPHYSICS 606(2017):10.
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