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Red giants in the vicinity of open clusters. Field stars
Pakhomov, Yu. V.1; Antipova, L. I.1; Boyarchuk, A. A.1; Zhao, G.2; Liang, Ya.2
2009-08-01
发表期刊ASTRONOMY REPORTS
卷号53期号:8页码:685-702
摘要We present a comparative analysis of the atmospheric abundances of red giants in the vicinity of open clusters. The atmospheric parameters, atmospheric abundances, masses, ages, Galactic velocities, and elements of the Galactic orbits are derived for all the studied stars. We have discovered high metal abundances (close to 0.3dex) for five stars, which we classify as super-metal-rich stars. Several stars have lower [Na/Fe] than normal red giants with similar atmospheric parameters. The kinematic characteristics of these stars are somewhat different from those for objects in the Galactic thin disk. We suggest that the observed effect can be explained by inhomogeneity of the chemical composition of gas-dust clouds, which could be due to different rates of SNe II supernovae in different regions of the Galaxy.
DOI10.1134/S1063772909080010
收录类别SCI
语种英语
WOS记录号WOS:000268902000001
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被引频次:9[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/7955
专题光学天文研究部
作者单位1.Russian Acad Sci, Inst Astron, Moscow V71, Russia
2.Natl Astron Observ, Beijing, Peoples R China
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Pakhomov, Yu. V.,Antipova, L. I.,Boyarchuk, A. A.,et al. Red giants in the vicinity of open clusters. Field stars[J]. ASTRONOMY REPORTS,2009,53(8):685-702.
APA Pakhomov, Yu. V.,Antipova, L. I.,Boyarchuk, A. A.,Zhao, G.,&Liang, Ya..(2009).Red giants in the vicinity of open clusters. Field stars.ASTRONOMY REPORTS,53(8),685-702.
MLA Pakhomov, Yu. V.,et al."Red giants in the vicinity of open clusters. Field stars".ASTRONOMY REPORTS 53.8(2009):685-702.
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