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New detections of C(18)O(1-0) emission in massive young stellar objects
Zhang, YP; Sun, J; Sun, YC; Sun, JJ
2002-07-01
Source PublicationCHINESE ASTRONOMY AND ASTROPHYSICS
ISSN0275-1062
Volume26Issue:3Pages:285-292
AbstractObservations of the C(18)O(1-0) line emission toward 74 massive young stellar objects or candidates were carried out using the 13.7m millimetre wave telescope of Purple Mountain Observatory at Qinghai Station. 63 of the observed objects show the emission and 57 of these are new detections. Based on the observed radiation temperature (T(R)*) and line width at half intensity (DeltaV), the optical thickness of C(18)O(1-0) and column density of C(18)O are derived for each such source under LTE. The intensity ratio and integrated intensity ratio between the (13)CO(1-0) and C(18)O (1-0) lines Eire also discussed.
KeywordMolecular Cloud c(18)o(1-0) Emission Intensity Ratio Massive Star Formation
Subject AreaAstronomy & Astrophysics
WOS HeadingsScience & Technology ; Physical Sciences
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000177827900004
Citation statistics
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/7936
Collection期刊(老文献)
Affiliation1.Beijing Normal Univ, Dept Astron, Beijing 100875, Peoples R China
2.Peking Univ, CAS, Joint Beijing Astrophys Ctr, Beijing 100871, Peoples R China
3.Chinese Acad Sci, Qinghai Stn, Purple Mt Observ, Delingha 817000, Peoples R China
Recommended Citation
GB/T 7714
Zhang, YP,Sun, J,Sun, YC,et al. New detections of C(18)O(1-0) emission in massive young stellar objects[J]. CHINESE ASTRONOMY AND ASTROPHYSICS,2002,26(3):285-292.
APA Zhang, YP,Sun, J,Sun, YC,&Sun, JJ.(2002).New detections of C(18)O(1-0) emission in massive young stellar objects.CHINESE ASTRONOMY AND ASTROPHYSICS,26(3),285-292.
MLA Zhang, YP,et al."New detections of C(18)O(1-0) emission in massive young stellar objects".CHINESE ASTRONOMY AND ASTROPHYSICS 26.3(2002):285-292.
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