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The catalogues and mid-infrared environment of interstellar OH masers
Qiao, Haihua1,2,3,4; Li, Juan1,4; Shen, Zhiqiang1,3,4; Chen, Xi1,3,4; Zheng, Xingwu5,6
2014-07-11
Source PublicationMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume441Issue:4Pages:3137-3147
AbstractData for a number of OH maser lines have been collected from surveys. The positions are compared with recent mid-infrared (MIR) surveys such as the Spitzer Galactic Legacy Infrared Mid-Plane Survey Extraordinaire (GLIMPSE) and Wide-field Infrared Survey Explorer (WISE) surveys, restricting the comparison to point sources. The colours and intensities of the IR sources are compared. There are many 18-cm OH masers, but far fewer in lines arising from higher energy levels. We also make a comparison with 5-cm Class II methanol masers. We have divided the results into three subsamples: those associated with OH masers only, those associated with OH masers and Class II methanol masers and those associated with Class II methanol masers only. There are no obvious differences in the colour-colour or colour-magnitude results for the GLIMPSE point sources. However, according to the results from the WISE 22-mu m survey, the sources associated with OH masers are brighter than those associated with methanol masers. We interpret the presence of OH and methanol masers as marking the locations of regions where stars are forming. The OH masers are located on the borders of sharp features found in the IR. These are referred to as bubbles. If the OH masers mark the positions of protostars, the result provides indirect evidence for triggered star formation caused by the expansion of the bubbles.
KeywordMasers Methods: Statistical Stars: Formation Ism: Bubbles
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1093/mnras/stu776
WOS KeywordSTAR-FORMING REGIONS ; 6-CM EXCITED OH ; BUBBLING GALACTIC DISK ; FAR-INFRARED SOURCES ; PHYSICAL CONDITIONS ; HYDROXYL MASERS ; METHANOL MASERS ; H2O MASERS ; MILKY-WAY ; 6.035 GHZ
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000338764700025
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Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/15767
Collection毫米波和亚毫米波技术实验室
Affiliation1.Chinese Acad Sci, Shanghai Astron Observ, Shanghai 200030, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Key Lab Res Galaxies & Cosmol, Shanghai Astron Observ, Shanghai 20030, Peoples R China
4.Chinese Acad Sci, Key Lab Radio Astron, Shanghai 200030, Peoples R China
5.Nanjing Univ, Sch Astron & Space Sci, Nanjing 210093, Jiangsu, Peoples R China
6.Nanjing Univ, Key Lab Modern Astron & Astrophys, Minist Educ, Nanjing 210093, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Qiao, Haihua,Li, Juan,Shen, Zhiqiang,et al. The catalogues and mid-infrared environment of interstellar OH masers[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2014,441(4):3137-3147.
APA Qiao, Haihua,Li, Juan,Shen, Zhiqiang,Chen, Xi,&Zheng, Xingwu.(2014).The catalogues and mid-infrared environment of interstellar OH masers.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,441(4),3137-3147.
MLA Qiao, Haihua,et al."The catalogues and mid-infrared environment of interstellar OH masers".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 441.4(2014):3137-3147.
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