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Gas structure and dynamics towards bipolar infrared bubble
Xu, Jin-Long; Yu, Naiping; Zhang, Chuan-Peng; Liu, Xiao-Lan
2017-09-01
Source PublicationASTROPHYSICS AND SPACE SCIENCE
Volume362Issue:9
AbstractWe present multi-wavelength analysis for four bipolar bubbles (G045.386-0.726, G049.998-0.125, G050.489+0.993, and G051.610-0.357) to probe the structure and dynamics of their surrounding gas. The (CO)-C-12 J = 1-0, (CO)-C-13 J = 1-0 and (CO)-O-18 J = 1-0 observations are made with the Purple Mountain Observation (PMO) 13.7 m radio telescope. For the four bipolar bubbles, the bright 8.0 mu m emission shows the bipolar structure. Each bipolar bubble is associated with an H II region. From CO observations we find that G045.386-0.726 is composed of two bubbles with different distances, not a bipolar bubble. Each of G049.998-0.125 and G051.610-0.357 is associated with a filament. The filaments in CO emission divide G049.998-0.125 and G051.610-0.357 into two lobes. We suggest that the exciting stars of both G049.998-0.125 and G051.610-0.357 form in a sheet-like structure clouds. Furthermore, G050.489+0.993 is associated with a clump, which shows a triangle-like shape with a steep integrated intensity gradient towards the two lobes of G050.489+0.993. We suggest that the two lobes of G050.489+0.993 have simultaneously expanded into the clump.
SubtypeArticle
Keywordh Ii Regions Ism: Bubbles Ism: Clouds
WOS HeadingsScience & Technology ; Physical Sciences
Funding OrganizationNational Natural Science Foundation of China(11363004 ; National Natural Science Foundation of China(11363004 ; 11403042) ; 11403042) ; National Natural Science Foundation of China(11363004 ; National Natural Science Foundation of China(11363004 ; 11403042) ; 11403042)
DOI10.1007/s10509-017-3153-5
WOS KeywordHII-REGIONS ; SKY SURVEY ; DUST ; EXTINCTION ; EMISSION
Indexed BySCI
Language英语
Funding OrganizationNational Natural Science Foundation of China(11363004 ; National Natural Science Foundation of China(11363004 ; 11403042) ; 11403042) ; National Natural Science Foundation of China(11363004 ; National Natural Science Foundation of China(11363004 ; 11403042) ; 11403042)
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000409939000029
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/20126
Collection射电天文研究部
AffiliationChinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
Recommended Citation
GB/T 7714
Xu, Jin-Long,Yu, Naiping,Zhang, Chuan-Peng,et al. Gas structure and dynamics towards bipolar infrared bubble[J]. ASTROPHYSICS AND SPACE SCIENCE,2017,362(9).
APA Xu, Jin-Long,Yu, Naiping,Zhang, Chuan-Peng,&Liu, Xiao-Lan.(2017).Gas structure and dynamics towards bipolar infrared bubble.ASTROPHYSICS AND SPACE SCIENCE,362(9).
MLA Xu, Jin-Long,et al."Gas structure and dynamics towards bipolar infrared bubble".ASTROPHYSICS AND SPACE SCIENCE 362.9(2017).
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