Molecular Gas toward the Gemini OB1 Molecular Cloud Complex. II. CO Outflow Candidates with Possible WISE Associations

doi:10.3847/1538-4365/aaab67

	Molecular Gas toward the Gemini OB1 Molecular Cloud Complex. II. CO Outflow Candidates with Possible WISE Associations
	Li,Yingjie 1,2; Li,Fa-Cheng 1,3; Xu,Ye1 ; Wang,Chen 1,3; Du,Xin-Yu 1,3; Yang,Wenjin 1,2; Yang,Ji1
刊名	The Astrophysical Journal Supplement Series
	2018-03-07
卷号	235 期号:1
关键词	ISM: jets and outflows ISM: Molecules stars: formation
ISSN号	0067-0049
DOI	10.3847/1538-4365/aaab67
英文摘要	Abstract We present a large-scale survey of CO outflows in the Gem OB1 molecular cloud complex and its surroundings, using the Purple Mountain Observatory Delingha 13.7 m telescope. A total of 198 outflow candidates were identified over a large area (～58.5 square degrees), of which 193 are newly detected. Approximately 68% (134/198) are associated with the Gem OB1 molecular cloud complex, including clouds GGMC 1, GGMC 2, BFS 52, GGMC 3, and GGMC 4. Other regions studied are: the Local arm (Local Lynds, West Front), Swallow, Horn, and Remote cloud. Outflow candidates in GGMC 1, BFS 52, and Swallow are mainly located at ring-like or filamentary structures. To avoid excessive uncertainty in distant regions (?3.8 kpc), we only estimated the physical parameters for clouds in the Gem OB1 molecular cloud complex and in the Local arm. In those clouds, the total kinetic energy and the energy injection rate of the identified outflow candidates are ?1% and ?3% of the turbulent energy and the turbulent dissipation rate of each cloud, indicating that the identified outflow candidates cannot provide enough energy to balance turbulence of their host cloud at the scale of the entire cloud (several to dozens of parsecs). The gravitational binding energy of each cloud is ?135 times the total kinetic energy of the identified outflow candidates within the corresponding cloud, indicating that the identified outflow candidates cannot cause major disruptions to the integrity of their host cloud at the scale of the entire cloud.
语种	英语
出版者	The American Astronomical Society
WOS记录号	IOP:0067-0049-235-1-AAAB67
内容类型	期刊论文
源URL	[http://libir.pmo.ac.cn/handle/332002/22394]
专题	中国科学院紫金山天文台
作者单位	1.Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210008, People's Republic of China; liyj@pmo.ac.cn, xuye@pmo.ac.cn 2.University of Science and Technology of China, Chinese Academy of Sciences, Hefei, Anhui 230026, People's Republic of China 3.Graduate University of the Chinese Academy of Sciences, 19A Yuquan Road, Shijingshan District, Beijing 100049, People's Republic of China
推荐引用方式 GB/T 7714	Li,Yingjie,Li,Fa-Cheng,Xu,Ye,et al. Molecular Gas toward the Gemini OB1 Molecular Cloud Complex. II. CO Outflow Candidates with Possible WISE Associations[J]. The Astrophysical Journal Supplement Series,2018,235(1).
APA	Li,Yingjie.,Li,Fa-Cheng.,Xu,Ye.,Wang,Chen.,Du,Xin-Yu.,...&Yang,Ji.(2018).Molecular Gas toward the Gemini OB1 Molecular Cloud Complex. II. CO Outflow Candidates with Possible WISE Associations.The Astrophysical Journal Supplement Series,235(1).
MLA	Li,Yingjie,et al."Molecular Gas toward the Gemini OB1 Molecular Cloud Complex. II. CO Outflow Candidates with Possible WISE Associations".The Astrophysical Journal Supplement Series 235.1(2018).