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Abundance analysis of mildly metal-poor stars
Qiu, HM; Zhao, G; Xin, Y; Li, ZW
2001
Source PublicationCHINESE ASTRONOMY AND ASTROPHYSICS
Volume25Issue:1Pages:65-72
AbstractWe 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.
KeywordMetal-poor Stars Element Abundances
Indexed BySCI
Language英语
WOS IDWOS:000167510400009
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/8626
Collection太阳物理研究部
Affiliation1.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
Recommended Citation
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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