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红团簇巨星α元素丰度
张华伟; 赵刚; 邱红梅
2000
Source Publication天体物理学报
ISSN0253-2379
Volume020Issue:004Pages:389
Abstract基于高分辨率、高信噪比光谱观测资料,分析了17颗红团簇巨星的5种α元素(Mg、Si、S、Ca、Ti)的化学丰工,结果表明,按金属丰度的不同可以将红团簇巨星分为两类:一类是富金属红团簇巨星(「Fe/H」≥0.0);另一类为贫金属丰度红团簇巨星(「Fe/H」≤-0.3),这两类红团簇巨星中的5种α元素均具有随金属丰度变大而增丰的趋势,同时,分析还表明,这两类红团簇巨星的α元素与铁元素的增丰历史可能是同
Language英语
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/53451
Collection中国科学院国家天文台
Affiliation中国科学院国家天文台
First Author AffilicationNational Astronomical Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
张华伟,赵刚,邱红梅. 红团簇巨星α元素丰度[J]. 天体物理学报,2000,020(004):389.
APA 张华伟,赵刚,&邱红梅.(2000).红团簇巨星α元素丰度.天体物理学报,020(004),389.
MLA 张华伟,et al."红团簇巨星α元素丰度".天体物理学报 020.004(2000):389.
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