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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
Source PublicationASTRONOMY REPORTS
Volume53Issue:8Pages:685-702
AbstractWe 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
Indexed BySCI
Language英语
WOS IDWOS:000268902000001
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/7955
Collection光学天文研究部
Affiliation1.Russian Acad Sci, Inst Astron, Moscow V71, Russia
2.Natl Astron Observ, Beijing, Peoples R China
Recommended Citation
GB/T 7714
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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