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A 6.7 GHz Methanol Maser Survey. II. Low Galactic Latitudes
Yang, Kai1,2; Chen, Xi1,3,4; Shen, Zhi-Qiang1,4; Li, Xiao-Qiong1,2; Wang, Jun-Zhi1,4; Jiang, Dong-Rong1,4; Li, Juan1,4; Dong, Jian1,4; Wu, Ya-Jun1,4; Qiao, Hai-Hua1,5
2019-04-01
Source PublicationASTROPHYSICAL JOURNAL SUPPLEMENT SERIES
ISSN0067-0049
Volume241Issue:2Pages:39
Corresponding AuthorYang, Kai(yangkai@shao.ac.cn)
AbstractWe report the results of our systematic survey for Galactic 6.7 GHz Class II CH3OH maser emission toward a sample of young stellar objects. The survey was conducted with the Shanghai Tianma Radio Telescope (TMRT). The sample consists of 3348 sources selected from the all-sky Wide-field Infrared Survey Explorer (WISE) point-source catalog. We discussed the selection criteria in detail and the detection results of those at high Galactic latitudes (i.e., vertical bar b vertical bar > 2 degrees) in a previous paper (Yang et al. 2017). Here, we present the results from the survey of those at low Galactic latitudes, i.e., vertical bar b broken vertical bar < 2 degrees. Of 1875 selected WISE point sources, 291 positions that were actually associated with 224 sources that were detected with CH3OH maser emission. Among them, 32 are newly detected. A majority of the newly detected sources are associated with bright WISE sources. The majority of the detected sources (209/224. = 93.3%) are quite close to the Galactic Plane (vertical bar b vertical bar < 1 degrees)and lie on the inner spiral arms with positive local standard of rest velocities. The detection rate and the color-color distribution of our detection are all matched with our anticipation. Combining with detections from previous surveys, we compile a catalog of 1085 sources with 6.7 GHz CH3OH maser emission in our Galaxy.
KeywordISM: molecules masers radio lines: ISM stars: formation
DOI10.3847/1538-4365/ab06fb
WOS KeywordEXTRAORDINARY OUTBURST ; CATALOG ; SEARCH ; VARIABILITY ; ATLASGAL ; REGIONS ; PLANE
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000461940200001
PublisherIOP PUBLISHING LTD
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/23963
Collection中国科学院紫金山天文台
Corresponding AuthorYang, Kai
Affiliation1.Chinese Acad Sci, Shanghai Astron Observ, 80 Nandan Rd, Shanghai 200030, Peoples R China
2.Univ Chinese Acad Sci, 19A Yuquanlu, Beijing 100049, Peoples R China
3.Guangzhou Univ, Ctr Astrophys, Guangzhou 510006, Guangdong, Peoples R China
4.Chinese Acad Sci, Key Lab Radio Astron, Beijing, Peoples R China
5.Chinese Acad Sci, Natl Time Serv Ctr, Xian 710600, Shaanxi, Peoples R China
Recommended Citation
GB/T 7714
Yang, Kai,Chen, Xi,Shen, Zhi-Qiang,et al. A 6.7 GHz Methanol Maser Survey. II. Low Galactic Latitudes[J]. ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES,2019,241(2):39.
APA Yang, Kai.,Chen, Xi.,Shen, Zhi-Qiang.,Li, Xiao-Qiong.,Wang, Jun-Zhi.,...&Qiao, Hai-Hua.(2019).A 6.7 GHz Methanol Maser Survey. II. Low Galactic Latitudes.ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES,241(2),39.
MLA Yang, Kai,et al."A 6.7 GHz Methanol Maser Survey. II. Low Galactic Latitudes".ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES 241.2(2019):39.
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