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Observations of the Hydroxyl Radical in C/2013 US10 (Catalina) at 18 cm Wavelength
Wang,Zhen1; Chen,Xi2; Gao,Feng2; Zhang,Shaobo3; Zheng,Xing-Wu4; Ip,Wing-Huen5,6; Wang,Na1; Liu,Xiang1; Zuo,Xiu-Ting2; Gou,Wei2; Chang,Sheng-Qi2
2017-11-22
Source PublicationThe Astronomical Journal
ISSN0004-6256
Volume154Issue:6
AbstractAbstract The hydroxyl (OH) radical produced by photodissociation of water molecule is one of the most important indicators for cometary outgassing activity. The absorption lines of the OH radical at 1665 and 1667 MHz in the coma of comet C/2013 US10 Catalina were detected between 2015 December 3 and 5 by the Tian Ma Radio Telescope of Shanghai Astronomical Observatory. The source flux intensity was derived to be about ?209 mJy km s?1 and ?86 mJy km s?1 at 1665 MHz and 1667 MHz, respectively. The corresponding gas production rate was estimated to be (8.78?±?1.47)?×?1028 H2O s?1 and (5.94?±?1.27)?×?1028 H2O s?1, accordingly.
Keywordcomets: general line: profiles molecular processes
DOI10.3847/1538-3881/aa97db
Language英语
WOS IDIOP:0004-6256-154-6-aa97db
PublisherThe American Astronomical Society
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Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/23590
Collection中国科学院紫金山天文台
Affiliation1.Key Laboratory of Radio Astronomy, Xinjiang Astronomical Observatory, Chinese Academy of Sciences, 150 Science 1-Street, Urumqi, Xinjiang 830011, China; wangzh@xao.ac.cn
2.Shanghai Astronomical Observatory, Chinese Academy of Sciences, 80 Nandan Road, Shanghai 200030, China
3.Purple Mountain Observatory, and Key Laboratory for Radio Astronomy, Chinese Academy of Sciences, Nanjing 210008, China
4.Astronomy Department, Nanjing University, Nanjing 210093, China
5.Institute of Astronomy, National Center University, Taiwan
6.Space Science Institute, Macau University of Science and Technology, Macau
Recommended Citation
GB/T 7714
Wang,Zhen,Chen,Xi,Gao,Feng,et al. Observations of the Hydroxyl Radical in C/2013 US10 (Catalina) at 18 cm Wavelength[J]. The Astronomical Journal,2017,154(6).
APA Wang,Zhen.,Chen,Xi.,Gao,Feng.,Zhang,Shaobo.,Zheng,Xing-Wu.,...&Chang,Sheng-Qi.(2017).Observations of the Hydroxyl Radical in C/2013 US10 (Catalina) at 18 cm Wavelength.The Astronomical Journal,154(6).
MLA Wang,Zhen,et al."Observations of the Hydroxyl Radical in C/2013 US10 (Catalina) at 18 cm Wavelength".The Astronomical Journal 154.6(2017).
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