| A Search for High-velocity Gas Associated H_2O Masers and Ultracompact HII Regions |
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| 作者姓名： | Ye Xu Dong-Rong Jiang Zhi-Yao Yu Xing-Wu Zheng Chuan-Yi Yang Yan-Ping Zhang Chun-Chuan Pei Jun-Mei Ma Jin-Jiang Sun Li-Ming Wang Deng-Rong Lu Jie-Qing Wu Yang Li and Cheng-Ming Lei |
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| 摘 要： | 1 INTRODUCTIONA violent molecular outflow is a bajsic component of star formation process. Such outflowsare observed over a wide range of wavelength from the ultraviolet to the radio, resulting fromthe interaction of highly supersonic stellar winds with the alnbiellt material and the windejection takes place in the vicinity of a newly formed star. Outflows are produced by starsof all massess but currellt outflow theories are predominantly based on observations of nearby,low-mass outflow sy…
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A Search for High-velocity Gas Associated H_2O Masers and Ultracompact HII Regions |
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| Ye Xu,Dong-Rong Jiang,Zhi-Yao Yu,Xing-Wu Zheng Chuan-Yi Yang,Yan-Ping Zhang,Chun-Chuan Pei,Jun-Mei Ma,Jin-Jiang Sun,Li-Ming Wang,Deng-Rong Lu Jie-Qing Wu,Yang Li and Cheng-Ming Lei.A Search for High-velocity Gas Associated H_2O Masers and Ultracompact HII Regions[J].Chinese Journal of Astronomy and Astrophysics,2001(1). |
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| Authors: | Ye Xu Dong-Rong Jiang Zhi-Yao Yu Xing-Wu Zheng Chuan-Yi Yang Yan-Ping Zhang Chun-Chuan Pei Jun-Mei Ma Jin-Jiang Sun Li-Ming Wang Deng-Rong Lu Jie-Qing Wu Yang Li and Cheng-Ming Lei |
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| Institution: | Shanghai Astronomical Observatoryt Chinese Academy of Sciences |
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| Abstract: | With the objective of studying the relationships between high-velocity gas and water maser emissions the results of a search from 95 IRAS sources for high-velocity gas associated with star forming molecular clouds are reported. 21 sources have been identified as molecular outflow candidates. |
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| Keywords: | HII regions - ISM: jets and outflows - stars: formation - masers |
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