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alpha element abundances in mildly metal-poor stars
Qiu, HM; Zhao, G; Takada-Hidai, M; Chen, YQ; Takeda, Y; Noguchi, K; Sadakane, K; Aoki, W
2002
Source PublicationPUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN
Volume54Issue:1Pages:103-111
AbstractWe present [O/Fe] and other alpha-elements/Fe ratios in a sample of 24 mildly metal-poor stars The sample stars are thought to be brighter than 9.0 magnitude and have available uvby photometric data. Also, based on the typical LTE abundance analysis, we find that [Si/Fe] and [Ca/Fe] are correlated with each other. Combining the kinematic data and the metallicity, we can classify the sample stars into three groups. An abundance analysis :shows some evidence that these groups are chemically discrete from each other. Further, the general trend of a decreasing overabundance of the a elements with increasing metallicity has been confirmed.
KeywordStars : Abundances Stars : Chemically Peculiar Stars : Kinematics
Indexed BySCI
Language英语
WOS IDWOS:000174212000014
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Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/8510
Collection光学天文研究部
Affiliation1.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
2.Tokai Univ, Liberal Arts Educ Ctr, Hiratsuka, Kanagawa 2591292, Japan
3.Univ Tokyo, Inst Astron, Mitaka, Tokyo 1810015, Japan
4.Natl Astron Observ, Mitaka, Tokyo 1818588, Japan
5.Osaka Kyoiku Univ, Astron Inst, Osaka 5828582, Japan
Recommended Citation
GB/T 7714
Qiu, HM,Zhao, G,Takada-Hidai, M,et al. alpha element abundances in mildly metal-poor stars[J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN,2002,54(1):103-111.
APA Qiu, HM.,Zhao, G.,Takada-Hidai, M.,Chen, YQ.,Takeda, Y.,...&Aoki, W.(2002).alpha element abundances in mildly metal-poor stars.PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN,54(1),103-111.
MLA Qiu, HM,et al."alpha element abundances in mildly metal-poor stars".PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN 54.1(2002):103-111.
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