NAOC Open IR  > 射电天文研究部
Gas emission and dynamics in the infrared dark cloud G31.23+0.05
Liu, Xiao-Lan1; Wang, Jun-Jie; Xu, Jin-Long; Zhang, Chuan-Peng
2017-03-01
Source PublicationRESEARCH IN ASTRONOMY AND ASTROPHYSICS
Volume17Issue:4
AbstractWe performed a multiwavelength study towards the infrared dark cloud (IRDC) G31.23+0.05 with new CO observations from Purple Mountain Observatory and archival data (the GLIMPSE, MIPSGAL, HERSCHEL, ATLASGAL, BGPS and NVSS surveys). From these observations, we identified three IRDCs with systemic velocities of 108.36 +/- 0.06 (cloud A), 104.22 +/- 0.11 (cloud B) and 75.73 +/- 0.07 km s(-1) (cloud C) in the line of sight towards IRDC G31.23. Analyses of the molecular and dust emission suggest that cloud A is a filamentary structure containing a young stellar object; clouds B and C both include a starless core. Clouds A and B are gravitationally bound and have a chance to form stars. In addition, the velocity information and the position-velocity diagram suggest that clouds A and B are adjacent in space and provide a clue hinting at a possible cloud-cloud collision. Additionally, the distribution of dust temperature shows a temperature bubble. The compact core in cloud A is associated with an UCHII region, an IRAS source, H2O masers, CH3OH masers and OH masers, suggesting that massive star formation is active there. We estimate the age of the HII region to be (0.03-0.09) Myr, indicating that the star inside is young.
SubtypeArticle
KeywordStars: Formation Ism: Hii Regions Ism: Molecules Ism: Individual (Irdc g31.23+0.05) Ism: Kinematics And Dynamics
WOS HeadingsScience & Technology ; Physical Sciences
Funding OrganizationKey Laboratory for Radio Astronomy, CAS ; Key Laboratory for Radio Astronomy, CAS ; National Key Basic Research Program of China(2015CB857100) ; National Key Basic Research Program of China(2015CB857100) ; National Natural Science Foundation of China(11403052 ; National Natural Science Foundation of China(11403052 ; 11363004 ; 11363004 ; 11403042) ; 11403042) ; Key Laboratory for Radio Astronomy, CAS ; Key Laboratory for Radio Astronomy, CAS ; National Key Basic Research Program of China(2015CB857100) ; National Key Basic Research Program of China(2015CB857100) ; National Natural Science Foundation of China(11403052 ; National Natural Science Foundation of China(11403052 ; 11363004 ; 11363004 ; 11403042) ; 11403042)
DOI10.1088/1674-4527/17/4/35
WOS KeywordMASSIVE STAR-FORMATION ; H-II REGIONS ; FORMING REGIONS ; GALACTIC PLANE ; PHYSICAL-PROPERTIES ; METHANOL MASERS ; H2O MASERS ; CORES ; KINEMATICS ; HERSCHEL
Indexed BySCI
Language英语
Funding OrganizationKey Laboratory for Radio Astronomy, CAS ; Key Laboratory for Radio Astronomy, CAS ; National Key Basic Research Program of China(2015CB857100) ; National Key Basic Research Program of China(2015CB857100) ; National Natural Science Foundation of China(11403052 ; National Natural Science Foundation of China(11403052 ; 11363004 ; 11363004 ; 11403042) ; 11403042) ; Key Laboratory for Radio Astronomy, CAS ; Key Laboratory for Radio Astronomy, CAS ; National Key Basic Research Program of China(2015CB857100) ; National Key Basic Research Program of China(2015CB857100) ; National Natural Science Foundation of China(11403052 ; National Natural Science Foundation of China(11403052 ; 11363004 ; 11363004 ; 11403042) ; 11403042)
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000399221400005
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/8221
Collection射电天文研究部
Affiliation1.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
2.NAOC TU Joint Ctr Astrophys, Lhasa 850000, Peoples R China
Recommended Citation
GB/T 7714
Liu, Xiao-Lan,Wang, Jun-Jie,Xu, Jin-Long,et al. Gas emission and dynamics in the infrared dark cloud G31.23+0.05[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2017,17(4).
APA Liu, Xiao-Lan,Wang, Jun-Jie,Xu, Jin-Long,&Zhang, Chuan-Peng.(2017).Gas emission and dynamics in the infrared dark cloud G31.23+0.05.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,17(4).
MLA Liu, Xiao-Lan,et al."Gas emission and dynamics in the infrared dark cloud G31.23+0.05".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 17.4(2017).
Files in This Item:
There are no files associated with this item.
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[Liu, Xiao-Lan]'s Articles
[Wang, Jun-Jie]'s Articles
[Xu, Jin-Long]'s Articles
Baidu academic
Similar articles in Baidu academic
[Liu, Xiao-Lan]'s Articles
[Wang, Jun-Jie]'s Articles
[Xu, Jin-Long]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Liu, Xiao-Lan]'s Articles
[Wang, Jun-Jie]'s Articles
[Xu, Jin-Long]'s Articles
Terms of Use
No data!
Social Bookmark/Share
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.