SDSS J012119.10-001949.9: a very short period M dwarf contact binary from SDSS stripe 82
文献类型:期刊论文
作者 | Jiang LQ(江林巧)1,2,3; Qian SB(钱声帮)1,2,3; Zhang J(张嘉)1,2; Jiang LQ(江林巧)![]() ![]() ![]() ![]() |
刊名 | RESEARCH IN ASTRONOMY AND ASTROPHYSICS
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出版日期 | 2015-12 |
卷号 | 15期号:12页码:2237-2243 |
关键词 | binaries: eclipsing stars: individual (SDSS J012119.10-001949.9) techniques: photometric |
ISSN号 | 1674-4527 |
产权排序 | 第一完成单位 |
通讯作者 | Jiang, LQ (reprint author), Chinese Acad Sci, Yunnan Observ, Kunming 650011, Peoples R China. |
英文摘要 | We present the first multicolor photometric observations of the short period low-mass eclipsing binary SDSS 3012119.10-001949.9. By using the 2013 version of the Wilson-Devinney code, the photometric solutions are derived. It is found that the system is in a contact configuration (f =- 18.9 +/- 6.0%) with a moderate mass ratio of 0.5 +/- 0.01. A third light contributing about 6.1 +/- 1.3% of the total luminosity in the V band was found, which may come from a cool tertiary component. The derived high orbital inclination (i = 83.9 degrees +/- 0.5 degrees) and the almost symmetric three light curves suggest that the determined parameters are reliable. Both the color class and spectral class of the system correspond to a spectral type of MO, which may indicate that SDSS J012119.10-001949.9 belongs to a very rare class of M dwarf contact binaries that are below the theoretical short period limit. |
WOS标题词 | Science & Technology ; Physical Sciences |
学科主题 | Astronomy & Astrophysics |
类目[WOS] | Astronomy & Astrophysics |
研究领域[WOS] | Astronomy & Astrophysics |
关键词[WOS] | STAR LIGHT CURVES ; LOW-MASS STARS ; ECLIPSING BINARIES ; VELOCITY CURVES ; LIMIT ; J001641-000925 ; CANDIDATES ; EVOLUTION ; SYSTEM |
收录类别 | SCI |
原文出处 | http://iopscience.iop.org/article/10.1088/1674-4527/15/12/011/meta |
语种 | 英语 |
WOS记录号 | WOS:000367563300011 |
源URL | [http://ir.ynao.ac.cn/handle/114a53/9394] ![]() |
专题 | 云南天文台_双星与变星研究组 云南天文台_中国科学院天体结构与演化重点实验室 |
通讯作者 | Jiang LQ(江林巧) |
作者单位 | 1.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650011, China 2.Key Laboratory of the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming 650011, China 3.University of Chinese Academy of Sciences, Beijing 100049, China |
推荐引用方式 GB/T 7714 | Jiang LQ,Qian SB,Zhang J,et al. SDSS J012119.10-001949.9: a very short period M dwarf contact binary from SDSS stripe 82[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2015,15(12):2237-2243. |
APA | 江林巧.,钱声帮.,张嘉.,Jiang LQ.,Qian SB.,...&Zhang J.(2015).SDSS J012119.10-001949.9: a very short period M dwarf contact binary from SDSS stripe 82.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,15(12),2237-2243. |
MLA | 江林巧,et al."SDSS J012119.10-001949.9: a very short period M dwarf contact binary from SDSS stripe 82".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 15.12(2015):2237-2243. |
入库方式: OAI收割
来源:云南天文台
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