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钡星重元素丰度的再研究
梁艳春1; 彭秋和2; 张波1
1999
Source Publication天体物理学报
ISSN0253-2379
Volume019Issue:002Pages:213
Abstract在包括双星及逃逸物质的系统总角动量守恒模型的基础上,采用了星风质量吸积机制、由伴星通过逐次脉冲从主星吸积物质并与其外包层进行混合的模型出发,自洽地计算了钡星的重元素超丰,并给出理论计算结果与观测值的比较,计算结果表明,当取Bondi-Hoyle质量吸积率的五分之一作为实际吸积率时,对于轨道周期较长、相距较远的钡星系统。在误差范围内,理论计算曲线与在多数样品星的重元素观测值相符合;而对于HD2040
Language英语
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/47838
Collection中国科学院国家天文台
Affiliation1.河北师范大学
2.南京大学-中国科学院-北京大学联合天体物理中心
Recommended Citation
GB/T 7714
梁艳春,彭秋和,张波. 钡星重元素丰度的再研究[J]. 天体物理学报,1999,019(002):213.
APA 梁艳春,彭秋和,&张波.(1999).钡星重元素丰度的再研究.天体物理学报,019(002),213.
MLA 梁艳春,et al."钡星重元素丰度的再研究".天体物理学报 019.002(1999):213.
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