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Review of galactic and extragalactic searches for class I methanol masers
Chen Xi1; Ellingsen Simon P3; Gan Conggui4; Xu Ye2; Shen Zhiqiang1
2014
Source PublicationCHINESE SCIENCE BULLETIN
ISSN1001-6538
Volume59Issue:11Pages:1066
AbstractClass I methanol masers are important tools for investigations of star formation throughout the Universe. Recently, a series of surveys for class I methanol masers at the 95 GHz transition toward samples of young stellar objects have been undertaken. These surveys have resulted in the detection of about 200 new class I methanol masers and combined with previous observations they have increased the number of known class I methanol masers in our Galaxy to similar to 400. From analysis of the relationship between class I methanol maser emission and associated astrophysical objects, it has been shown that the intensity of the class I methanol maser emission is closely correlated with the properties of the 1.1 mm Bolocam Galactic Plane Survey (BGPS) dust continuum sources and outflow properties. This further supports the hypothesis that class I methanol masers are collisionally pumped and excited in shocked regions. Based on these observations, it can be inferred that the BGPS catalog is likely to provide more reliable samples for targeting further class I methanol maser searches. A new survey for class I methanol masers toward a larger size sample of BGPS sources to test this is currently underway. The prospects for detecting class I methanol megamasers in extragalactic sources is discussed, and observations constituting the first sensitive search have been proposed.
KeywordMASS STAR-FORMATION EXTENDED GREEN OBJECTS YOUNG STELLAR OBJECTS 95 GHZ FORMING REGIONS PLANE SURVEY INTERSTELLAR CLOUDS MOLECULAR OUTFLOWS DIAGNOSTIC-TOOL GLIMPSE SURVEY Masers Methanol Star formation Radio lines
Language英语
Funding Project[National Natural Science Foundation of China] ; [Chinese Academy of Sciences] ; [China Ministry of Science and Technology] ; [CAS/SAFEA International Partnership Program for Creative Research Teams, Key Laboratory for Radio Astronomy, Chinese Academy of Sciences]
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/68503
Collection中国科学院国家天文台
Affiliation1.中国科学院国家天文台
2.中国科学院紫金山天文台
3.University Tasmania, Sch Math & Phys, Hobart, Tas, Australia
4.中国科学院上海天文台
First Author AffilicationNational Astronomical Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Chen Xi,Ellingsen Simon P,Gan Conggui,et al. Review of galactic and extragalactic searches for class I methanol masers[J]. CHINESE SCIENCE BULLETIN,2014,59(11):1066.
APA Chen Xi,Ellingsen Simon P,Gan Conggui,Xu Ye,&Shen Zhiqiang.(2014).Review of galactic and extragalactic searches for class I methanol masers.CHINESE SCIENCE BULLETIN,59(11),1066.
MLA Chen Xi,et al."Review of galactic and extragalactic searches for class I methanol masers".CHINESE SCIENCE BULLETIN 59.11(2014):1066.
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