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| A λ 3 mm Line Survey toward the Circumstellar Envelope of the Carbon-rich AGB Star IRC+10216 (CW Leo) | |
Tuo, Juan1,2; Li, Xiaohu1,3 ; Sun, Jixian4,5; Millar, Tom J.6; Zhang, Yong1,7,8; Qiu, Jianjie7; Quan, Donghui1,9; Esimbek, Jarken1,3; Zhou, Jianjun1,3; Gao, Yu4,5,10; Chang, Qiang11; Xiao, Lin12; Feng, Yanan1,2; Miao, Zhenzhen1,3; Ma, Rong1,2; Szczerba, Ryszard1,13; Fang, Xuan1,8,14
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| 2024-04-01 | |
| Source Publication | ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES
 |
| ISSN | 0067-0049 |
| Volume | 271Issue:2Pages:45 |
| Contribution Rank | 1 |
| Abstract | We present an unbiased lambda 3 mm spectral line survey (between 84.5 and 115.8 GHz), conducted by the Purple Mountain Observatory 13.7 m radio telescope, together with updated modeling results, toward the carbon-rich asymptotic giant branch star IRC+10216 (CW Leo). A total of 75 spectral lines (96 transitions) are detected, and identified to arise from 19 molecules: C2H, l-C3H, C4H, CN, C3N, HC3N, HC5N, HCN, HNC, CH3CN, MgNC, CO, c-C3H2, SiC2, SiO, SiS, CS, C2S, C3S, and their isotopologues. Among them, one molecular emission line ((HCCCN)-C-13 J = 13-12) is discovered in IRC+10216 for the first time. The excitation temperature, column density, and fractional abundance of the detected species are deduced by assuming they are in local thermodynamic equilibrium. In addition, the isotopic ratios of [C-12]/[C-13], [S-32]/[S-34], [Si-28]/[Si-29], and [(CS)-C-12-S-34]/[(CS)-C-13-S-32] are obtained and found to be consistent with previous studies. Finally, we summarize all of the 106 species detected in IRC+10216 to date with their observed and modeled column densities for the convenience of future studies. |
| DOI | 10.3847/1538-4365/ad2460 |
| Indexed By | SCI |
| Language | 英语 |
| WOS Keyword | GIANT BRANCH STARS ; ION-MOLECULE CHEMISTRY ; VY CANIS MAJORIS ; ASTRONOMICAL DETECTION ; TENTATIVE DETECTION ; OXYGEN-RICH ; EVOLVED STARS ; MILLIMETER OBSERVATIONS ; PHOSPHORUS CHEMISTRY ; ABUNDANCE VARIATIONS |
| Funding Project | Xinjiang Tianchi project (2019)[2022YFA1603103] ; Xinjiang Tianchi Talent project - National Key R&D Program of China[11973076] ; Xinjiang Tianchi Talent project - National Key R&D Program of China[12173023] ; Xinjiang Tianchi Talent project - National Key R&D Program of China[12003080] ; Xinjiang Tianchi Talent project - National Key R&D Program of China[11973075] ; NSFC[2019A1515110588] ; Guangdong Basic and Applied Basic Research Foundation[2022D01B221] ; Natural Science Foundation of Xinjiang Uygur Autonomous Region ; Project of Xinjiang Uygur Autonomous Region of China for Flexibly Fetching in Upscale Talents ; Leverhulme Trust[ST/T000198/1] ; Leverhulme Trust[2023] ; STFC |
| WOS Research Area | Astronomy & Astrophysics |
| WOS Subject | Astronomy & Astrophysics |
| WOS ID | WOS:001191109300001 |
| Publisher | IOP Publishing Ltd |
| Funding Organization | Xinjiang Tianchi project (2019) ; Xinjiang Tianchi Talent project - National Key R&D Program of China ; NSFC ; Guangdong Basic and Applied Basic Research Foundation ; Natural Science Foundation of Xinjiang Uygur Autonomous Region ; Project of Xinjiang Uygur Autonomous Region of China for Flexibly Fetching in Upscale Talents ; Leverhulme Trust ; STFC |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.xao.ac.cn/handle/45760611-7/6218 |
| Collection | 射电天文研究室_天体化学研究团组 |
| Corresponding Author | Li, Xiaohu |
| Affiliation | 1.Chinese Acad Sci, Xinjiang Astron Observ, 150 Sci 1-St, Urumqi 830011, Xinjiang, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.Xinjiang Key Lab Radio Astrophys, 150 Sci 1-St, Urumqi 830011, Xinjiang, Peoples R China 4.Chinese Acad Sci, Purple Mt Observ, Nanjing 210034, Peoples R China 5.Chinese Acad Sci, Key Lab Radio Astron, Nanjing 210034, Peoples R China 6.Queens Univ, Belfast BT7 1NN, North Ireland 7.Sun Yat Sen Univ, Sch Phys & Astron, Guangzhou 510275, Peoples R China 8.Univ Hong Kong, Fac Sci, Lab Space Res, Hong Kong, Peoples R China 9.Astron Comp Res Ctr, Zhejiang Lab, Hangzhou 311100, Peoples R China 10.Xiamen Univ, Dept Astron, Xiamen 361005, Fujian, Peoples R China 11.Shandong Univ Technol, Sch Phys & Optoelect Engn, Zibo 255000, Shandong, Peoples R China 12.Changchun Inst Technol, Coll Sci, Changchun 130012, Jilin, Peoples R China 13.Nicolaus Copernicus Astron Ctr, Rabianska 8, PL-87100 Torun, Poland 14.Chinese Acad Sci, Natl Astron Observ, A20,Datun Rd, Beijing 100012, Peoples R China |
| First Author Affilication | Xinjiang Astronomical Observatory, Chinese Academy of Sciences |
| Corresponding Author Affilication | Xinjiang Astronomical Observatory, Chinese Academy of Sciences |
| Recommended Citation GB/T 7714 | Tuo, Juan,Li, Xiaohu,Sun, Jixian,et al. A λ 3 mm Line Survey toward the Circumstellar Envelope of the Carbon-rich AGB Star IRC+10216 (CW Leo)[J]. ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES,2024,271(2):45. |
| APA | Tuo, Juan.,Li, Xiaohu.,Sun, Jixian.,Millar, Tom J..,Zhang, Yong.,...&Fang, Xuan.(2024).A λ 3 mm Line Survey toward the Circumstellar Envelope of the Carbon-rich AGB Star IRC+10216 (CW Leo).ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES,271(2),45. |
| MLA | Tuo, Juan,et al."A λ 3 mm Line Survey toward the Circumstellar Envelope of the Carbon-rich AGB Star IRC+10216 (CW Leo)".ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES 271.2(2024):45. |
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| Tuo-2024-A _i_?__i_ （4128KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | View Application Full Text | |
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