YNAO OpenIR  > 双星与变星研究组
Alternative TitleA Brief Overview and Research Progress of Chemically Peculiar Stars
田晓慢1,2; 朱俐颖1,2
Source Publication天文学进展(Progress In Astronomy)
Contribution Rank第1完成单位
Indexed ByCSCD ; 核心
Keyword双星 化学组成特殊星 磁场


Other Abstract

Chemically peculiar stars (CP star) are the stars in the spectra of which lines of some elements are abnormally strong or weak. Most of them are main sequence A and B type stars. By now, the research of the CP star also is very little in China. In the present paper, we introduce the characteristics, classification and main original theories of CP stars. At the same time,a detailed introduction of the mainly subclasses of the CP stars is given, such as Am star,Hg-Mn star,magnetic CP star and so on. Strong magnetic filed has been found in CP star(magnetic CP star), but not all CP star are magnetic CP star.For Am star and Hg-Mn star, just weak magnetic field (2×10−5 T) or no magnetic filed was detected. The origin of CP star still is a problem for us.Even though there are many theories trying to explore it, no one is totaly accurate so far. The percentage of CP stars in the binaries is really high. For example, 90% Am and Hg-Mn stars are in the binary systems, and for Ap and Bp star,the percentage is 43% and 20% respectively. The binary environment provides abundant information of CP star, especially when the CP star is a component of an eclipsing binary, many important physical quantities, such as mass and radius, can be determined in high precision. In addition, the mass transfer and the stellar merger happened in the binary systems may be the main reasons which cause the peculiar elements abundance and form the strong magnetic field in the CP stars. Therefore, the study of the CP-star binaries are particularly important for understanding the formation and evolution of this special objects. In the future, The systematic investigation of the CP-star binaries and the progenitor binaries of CP stars will be a crucial way to reveal the nature of the CP phenomenon.

Funding Project国家自然科学基金[11133007] ; 国家自然科学基金[11325315] ; 国家自然科学基金[11573063] ; 中国科学院战略性先导科技专项[XDB09010202] ; 云南省基金[2013FB084]
Funding Organization国家自然科学基金[11133007, 11325315, 11573063] ; 中国科学院战略性先导科技专项[XDB09010202] ; 云南省基金[2013FB084]
Subject Area天文学 ; 恒星与银河系
MOST Discipline Catalogue理学 ; 理学::天文学
Archive Date2016-02-29
Citation statistics
Document Type期刊论文
Corresponding Author田晓慢
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Corresponding Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
田晓慢,朱俐颖. 化学组成特殊星的概述与研究进展[J]. 天文学进展(Progress In Astronomy),2015,33(4):407-419.
APA 田晓慢,&朱俐颖.(2015).化学组成特殊星的概述与研究进展.天文学进展(Progress In Astronomy),33(4),407-419.
MLA 田晓慢,et al."化学组成特殊星的概述与研究进展".天文学进展(Progress In Astronomy) 33.4(2015):407-419.
Files in This Item:
File Name/Size DocType Version Access License
化学组成特殊星的概述与研究进展_田晓慢.(687KB)期刊论文出版稿开放获取CC BY-NC-SAView Application Full Text
Related Services
Recommend this item
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[田晓慢]'s Articles
[朱俐颖]'s Articles
Baidu academic
Similar articles in Baidu academic
[田晓慢]'s Articles
[朱俐颖]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[田晓慢]'s Articles
[朱俐颖]'s Articles
Terms of Use
No data!
Social Bookmark/Share
File name: 化学组成特殊星的概述与研究进展_田晓慢.pdf
Format: Adobe PDF
All comments (0)
No comment.

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.