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Abundance analysis of mildly metal-poor stars
Qiu, HM; Zhao, G; Xin, Y; Li, ZW
2001
发表期刊CHINESE ASTRONOMY AND ASTROPHYSICS
卷号25期号:1页码:65-72
摘要We present here some observed data on 11 mildly metal-poor stars with -1.3 less than or equal to [Fe/H] less than or equal to -0.6. The model parameters and the abundances of 14 elements are determined. We also discuss the relation between the abundance ratio and the metallicity. The or elements (Mg, Si, Ca, Ti) are overabundant relative to Fe with a varying scatter at each given metallicity. Most of the iron-peak elements (V, Cr, Ni, Cu) are also overabundant relative to Fe by amounts that are independent of [Fe/H], while [Mn/Fe] increases with increasing metallicity. [Na/Al] is overabundant in the sample with [Fe/H]> -1.1 and definitely overdeficient in the sample with [Fe/H]< -1.1.
关键词Metal-poor Stars Element Abundances
收录类别SCI
语种英语
WOS记录号WOS:000167510400009
引用统计
文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/8626
专题太阳物理研究部
作者单位1.Chinese Acad Sci, Beijing Astron Observ, Beijing 100012, Peoples R China
2.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
3.Beijing Normal Univ, Dept Astron, Beijing 100875, Peoples R China
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GB/T 7714
Qiu, HM,Zhao, G,Xin, Y,et al. Abundance analysis of mildly metal-poor stars[J]. CHINESE ASTRONOMY AND ASTROPHYSICS,2001,25(1):65-72.
APA Qiu, HM,Zhao, G,Xin, Y,&Li, ZW.(2001).Abundance analysis of mildly metal-poor stars.CHINESE ASTRONOMY AND ASTROPHYSICS,25(1),65-72.
MLA Qiu, HM,et al."Abundance analysis of mildly metal-poor stars".CHINESE ASTRONOMY AND ASTROPHYSICS 25.1(2001):65-72.
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