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Rapid fluctuations of water maser emission in VY Canis Majoris
Zheng, XW; Scalise, E; Han, F
1998-11-01
Source PublicationASTROPHYSICAL JOURNAL
ISSN0004-637X
Volume507Issue:1Pages:384-386
AbstractWe report the observational results of short timescale monitoring of the 22 GHz water maser emission in VY CMa. A quasi-sinusoidal fluctuation has been detected with the relative flux intensity change of 20%-25% and a period of 10.3 day for two dominant features. This detected variability appears to be superimposed on the normal maser lines. We cannot easily explain the rapid fluctuation with the variation of the radiative input or the strong interstellar scintillation along the line of sight. The variation may be caused by the periodic shock.
KeywordCircumstellar Matter Masers Stars : Individual (Vy Canis Majoris)
Subject AreaAstronomy & Astrophysics
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordLATE-TYPE STARS ; TIME
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000077779400037
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/8362
Collection期刊(老文献)
Affiliation1.Nanjing Univ, Dept Astron, Nanjing 210093, Peoples R China
2.Inst Nacl Pesquisas Espaciais, Div Astrofis, BR-12201970 S Jose dos Campos, SP, Brazil
3.Acad Sinica, Purple Mt Observ, Nanjing 210008, Peoples R China
Recommended Citation
GB/T 7714
Zheng, XW,Scalise, E,Han, F. Rapid fluctuations of water maser emission in VY Canis Majoris[J]. ASTROPHYSICAL JOURNAL,1998,507(1):384-386.
APA Zheng, XW,Scalise, E,&Han, F.(1998).Rapid fluctuations of water maser emission in VY Canis Majoris.ASTROPHYSICAL JOURNAL,507(1),384-386.
MLA Zheng, XW,et al."Rapid fluctuations of water maser emission in VY Canis Majoris".ASTROPHYSICAL JOURNAL 507.1(1998):384-386.
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