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A high-resolution spectral analysis of mildly metal-poor stars II. Chemical abundances
Qiu, HM; Zhao, G; Zhong, JY
2003
发表期刊CHINESE ASTRONOMY AND ASTROPHYSICS
卷号27期号:1页码:66-72
摘要On the basis of a previous paper, we have determined the atmospheric parameters and the abundance of nine chemical elements for a sample of stars. we discuss the changes of the abundances with [Fe/H]. The mean [Na/Fe]similar to-0.01 dex is close to the solar abundance. Of the alpha elements Si and Ca possess almost the same abundance model, [Ti/Fe] has a rather large scatter while all three tend to increase with decreasing [Fe/H]. The iron-peak elements V, Cr and Ni have comparatively large scatters in their abundance. For all the sample stars, [Cr/Fe] is over-abundant, and [Mn/Fe] is under-abundant. The latter also increases with increasing metal abundances.
关键词Star : Abundance Star : Atmosphere Star : Individuals : Hd22484 Hd51530 Hd59984
收录类别SCI
语种英语
WOS记录号WOS:000181305100007
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文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/8441
专题光学天文研究部
作者单位Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
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Qiu, HM,Zhao, G,Zhong, JY. A high-resolution spectral analysis of mildly metal-poor stars II. Chemical abundances[J]. CHINESE ASTRONOMY AND ASTROPHYSICS,2003,27(1):66-72.
APA Qiu, HM,Zhao, G,&Zhong, JY.(2003).A high-resolution spectral analysis of mildly metal-poor stars II. Chemical abundances.CHINESE ASTRONOMY AND ASTROPHYSICS,27(1),66-72.
MLA Qiu, HM,et al."A high-resolution spectral analysis of mildly metal-poor stars II. Chemical abundances".CHINESE ASTRONOMY AND ASTROPHYSICS 27.1(2003):66-72.
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