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A 95 GHz methanol emission survey toward eight small supernova remnants
Li, Ying-Jie1,2; Xu, Ye1; Chen, Xi3,4; Lu, Deng-Rong1; Sun, Yan1; Du, Xin-Yu1,5; Shen, Zhi-Qiang4
2017-12-01
Source PublicationRESEARCH IN ASTRONOMY AND ASTROPHYSICS
ISSN1674-4527
Volume17Issue:12Pages:12
Corresponding AuthorLi, Ying-Jie(liyj@pmo.ac.cn)
AbstractWe report on a 95GHz (8(0)-7(1) A(+)) methanol (CH3OH) emission survey with the Purple Mountain Observatory Delingha 13.7 m telescope. Eight supernova remnants (SNRs) with angular size less than or similar to 10' were observed, but emission was only detected in three SNRs near the Galactic center (Sgr A East, G 0.1-0.1 and G 359.92-0.09). CH3OH emission mainly surrounds the SNRs and can be decomposed into nine spatial peaks with the velocity range of eight peaks being (-30, 70) km s(-1), and the other is (70, 120) km s(-1). They are probably excited by interaction with these SNRs and adjacent molecular gas in the central molecular zone (CMZ), although star formation may play an important role in exciting CH3OH emission in some regions of CMZ. We infer that tidal action is unlikely to be an excitation source for CH3OH emission.
KeywordISM: molecules ISM: supernova remnants Galaxy: center ISM: kinematics and dynamics ISM: clouds
DOI10.1088/1674-4527/17/12/125
WOS KeywordSAGITTARIUS-A-EAST ; GALACTIC-CENTER REGION ; MASS STAR-FORMATION ; 1720 MHZ MASERS ; X-RAY-EMISSION ; MOLECULAR CLOUD ; CRAB-NEBULA ; CASSIOPEIA-A ; HII-REGIONS ; OH
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000419673300007
PublisherNATL ASTRONOMICAL OBSERVATORIES, CHIN ACAD SCIENCES
Citation statistics
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/22170
Collection中国科学院紫金山天文台
Corresponding AuthorLi, Ying-Jie
Affiliation1.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
2.Univ Sci & Technol China, Chinese Acad Sci, Hefei 230026, Anhui, Peoples R China
3.Guangzhou Univ, Ctr Astrophys, Guangzhou 51006, Guangdong, Peoples R China
4.Chinese Acad Sci, Shanghai Astron Observ, Shanghai 200030, Peoples R China
5.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Li, Ying-Jie,Xu, Ye,Chen, Xi,et al. A 95 GHz methanol emission survey toward eight small supernova remnants[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2017,17(12):12.
APA Li, Ying-Jie.,Xu, Ye.,Chen, Xi.,Lu, Deng-Rong.,Sun, Yan.,...&Shen, Zhi-Qiang.(2017).A 95 GHz methanol emission survey toward eight small supernova remnants.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,17(12),12.
MLA Li, Ying-Jie,et al."A 95 GHz methanol emission survey toward eight small supernova remnants".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 17.12(2017):12.
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