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No high-mass protostars in the silhouette young stellar object M17-S01
Sako, S; Yamashita, T; Kataza, H; Miyata, T; Okamoto, YK; Honda, M; Fujiyoshi, T; Terada, H; Kamazaki, T; Jiang, ZB; Hanawa, T; Onaka, T
2005-04-21
Source PublicationNATURE
ISSN0028-0836
Volume434Issue:7036Pages:995-998
AbstractThe birth of very massive stars is not well understood(1-3), in contrast to the formation process of low-mass stars like our Sun(4,5). It is not even clear that massive stars can form as single entities; rather, they might form through the mergers of smaller ones born in tight groups(6,7). The recent claim of the discovery of a massive protostar in M17 (a nearby giant ionized region) forming through the same mechanism as low-mass stars(8) has therefore generated considerable interest. Here we show that this protostar has an intermediate mass of only 2.5 to 8 solar masses (M.), contrary to the earlier claim of 20. (ref. 8). The surrounding circumstellar envelope contains only 0.09M. and a much more extended local molecular cloud has 4-9M..
KeywordMolecular Cloud Subaru Telescope High-resolution Co Emission Stars M17 Region Envelopes Rotation Camera
Subject AreaAstronomy & Astrophysics
WOS HeadingsScience & Technology
DOI10.1038/nature03471
WOS KeywordMOLECULAR CLOUD ; SUBARU TELESCOPE ; HIGH-RESOLUTION ; CO EMISSION ; STARS ; M17 ; REGION ; ENVELOPES ; ROTATION ; CAMERA
Indexed BySCI
Language英语
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000228524600031
Citation statistics
Cited Times:14[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/4054
Collection分子云与恒星形成研究团组
Affiliation1.Univ Tokyo, Sch Sci, Dept Astron, Bunkyo Ku, Tokyo 1130033, Japan
2.Natl Inst Nat Sci, Natl Astron Observ Japan, Subaru Telescope, Hilo, HI 96720 USA
3.Univ Tokyo, Inst Astron, Tokyo 1810015, Japan
4.Japan Aerosp Explorat Agcy, Inst Space & Astronaut Sci, Kanagawa 2298510, Japan
5.Ibaraki Univ, Inst Astrophys & Planetary Sci, Mito, Ibaraki 3108512, Japan
6.Chinese Acad Sci, Natl Astron Observ, Purple Mt Observ, Nanjing 210008, Peoples R China
7.Chiba Univ, Ctr Fontier Sci, Inage Ku, Chiba 2638522, Japan
Recommended Citation
GB/T 7714
Sako, S,Yamashita, T,Kataza, H,et al. No high-mass protostars in the silhouette young stellar object M17-S01[J]. NATURE,2005,434(7036):995-998.
APA Sako, S.,Yamashita, T.,Kataza, H.,Miyata, T.,Okamoto, YK.,...&Onaka, T.(2005).No high-mass protostars in the silhouette young stellar object M17-S01.NATURE,434(7036),995-998.
MLA Sako, S,et al."No high-mass protostars in the silhouette young stellar object M17-S01".NATURE 434.7036(2005):995-998.
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