YNAO OpenIR  > 双星与变星研究组
Lunar-based Ultraviolet Telescope study of the well-known Algol-type binary TWDra
Liao WP(廖文萍)1,2; Qian SB(钱声帮)1,2,3; Zejda, Miloslav4; Zhu LY(朱俐颖)1,2,3; Li LJ(李临甲)1,2; Liao, WP
发表期刊RESEARCH IN ASTRONOMY AND ASTROPHYSICS
2016-06-01
卷号16期号:6
DOI10.1088/1674-4527/16/6/094
产权排序第1完成单位
收录类别SCI
关键词Stars: Binaries: Close Stars: Binaries: Eclipsing Stars: Individual (Tw Draco)
摘要By using the Lunar-based Ultraviolet Telescope (LUT) from 2014 December 2 to December 4, the first near-UV light curve of the well-known Algol-type binary TW Dra is reported, which is analyzed with the 2013 version of the W-D code. Our solutions confirmed that TW Dra is a semi-detached binary system where the secondary component fills its Roche lobe. The mass ratio and a high inclination are obtained (q = 0.47, i = 86.68 degrees). Based on 589 available data spanning more than one century, the complex period changes are studied. Secular increase and three cyclical changes are found in the corresponding orbital period analysis. The secular increase changes reveal mass transfer from the secondary component to the primary one at a rate of 6.8 x 10(-7) M(circle dot)yr(-1). One large cyclical change of 116.04 yr may be caused by disturbance of visual component ADS 9706B orbiting TW Dra (ADS 9706A), while the other two cyclical changes with shorter periods of 22.47 and 37.27 yr can be explained as the result of two circumbinary companions that are orbiting around TW Dra, where the two companions are in simple 3 : 5 orbit-rotation resonances. TW Dra itself is a basic binary in a possible sextuple system with the configuration (1 + 1) + (1 + 1) + (1 + 1), which further suggests that multiplicity may be a fairly common phenomenon in close binary systems.
项目资助者Key Research Program of Chinese Academy of Sience(KGED-EW-603) ; National Natural Science Foundation of China(11403095, 11133007, 11325315) ; Yunnan Natural Science Foundation(2014FB187) ; Science Foundation of Yunnan Province(2012HC011) ; Strategic Priority Research Program "The Emergence of Cosmological Structures" of the Chinese Academy of Sciences(XDB09010202)
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN1674-4527
URL查看原文
归档日期2016-08-15
WOS记录号WOS:000377524600009
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]STAR LIGHT CURVES ; ECLIPSING BINARIES ; TW-DRACONIS ; VELOCITY CURVES ; ORBITAL-PERIOD ; COMPONENTS ; DRA
引用统计
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/9606
专题双星与变星研究组
中国科学院天体结构与演化重点实验室
通讯作者Liao, WP
作者单位1.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650216, China
2.Key Laboratory of the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming 650216, China
3.University of Chinese Academy of Sciences, Beijing 100049, China
4.Department of Theoretical Physics and Astrophysics, Masaryk University, Kotlářská 2, CZ-611 37 Brno, Czech Republic
推荐引用方式
GB/T 7714
Liao WP,Qian SB,Zejda, Miloslav,et al. Lunar-based Ultraviolet Telescope study of the well-known Algol-type binary TWDra[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2016,16(6).
APA Liao WP,Qian SB,Zejda, Miloslav,Zhu LY,Li LJ,&Liao, WP.(2016).Lunar-based Ultraviolet Telescope study of the well-known Algol-type binary TWDra.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,16(6).
MLA Liao WP,et al."Lunar-based Ultraviolet Telescope study of the well-known Algol-type binary TWDra".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 16.6(2016).
条目包含的文件
文件名称/大小 文献类型 版本类型 开放类型 使用许可
Lunar-based Ultravio(757KB)期刊论文作者接受稿开放获取CC BY-NC-SA浏览 请求全文
个性服务
推荐该条目
保存到收藏夹
查看访问统计
导出为Endnote文件
谷歌学术
谷歌学术中相似的文章
[Liao WP(廖文萍)]的文章
[Qian SB(钱声帮)]的文章
[Zejda, Miloslav]的文章
百度学术
百度学术中相似的文章
[Liao WP(廖文萍)]的文章
[Qian SB(钱声帮)]的文章
[Zejda, Miloslav]的文章
必应学术
必应学术中相似的文章
[Liao WP(廖文萍)]的文章
[Qian SB(钱声帮)]的文章
[Zejda, Miloslav]的文章
相关权益政策
暂无数据
收藏/分享
文件名: Lunar-based Ultraviolet Telescope study of the well-known Algol-type binary TW Dra.pdf
格式: Adobe PDF
所有评论 (0)
暂无评论
 

除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。