The Active Contact Binary FU Draconis: Four Color Light Curves and Period Changes
文献类型：期刊论文
| 作者 | Liu L(刘亮)1,2,3,4 ; Qian SB(钱声帮)1,2,3,4; He JJ(何家佳)1,2,3,4; Liao WP(廖文萍)1,2,3,4; Zhu LY(朱俐颖)1,2,3,4; Zhao EG(赵二刚)1,2,3,4
|
| 刊名 | PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN
 |
| 出版日期 | 2012-06-25 |
| 卷号 | 64期号:3页码:48-53 |
| 关键词 | stars: binaries: close stars: binaries: eclipsing stars: evolution stars: individual (FU Draconis) |
| ISSN号 | 0004-6264 |
| 产权排序 | 第一完成单位 |
| 通讯作者 | Liu, L (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Observ, POB 110, Kunming 650011, Peoples R China. |
| 英文摘要 | Secured four color light curves of FU Dra were analyzed with the 2003 version of the Wilson and Devinney (WD) code. It was shown that FU Dra is still a W-type contact binary system, but might have a high fill-out factor (f = 26.7% +/- 1.0%). A dark spot was introduced on the massive cool component. A period investigation based on all available data shows that the period of the system may include a long-term increase (dP/dt = 8.8 +/- 2.9 x 10(-8) d yr(-1)) and an oscillation (semi-amplitude of 0.0024 d, P-3 = 7.8 yr). The long-term period decrease may be caused by mass transfer, though the periodic oscillation may be rooted in cyclic magnetic activity. |
| 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] | THERMAL RELAXATION OSCILLATION ; URSAE MAJORIS SYSTEMS ; STARS ; COMPONENTS |
| 收录类别 | SCI |
| 原文出处 | http://pasj.oxfordjournals.org/content/64/3/48 |
| 语种 | 英语 |
| WOS记录号 | WOS:000305868200006 |
| 源URL | [http://ir.ynao.ac.cn/handle/114a53/5867]  |
| 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 |
| 作者单位 | 1.National Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences, P. O. Box 110, Kunming 650011, P. R. China 2.United Laboratory of Optical Astronomy, Chinese Academy of Sciences (ULOAC), Beijing 100012, P. R. China 3.Graduate School of the CAS, Yuquan Road 19#, Shijingshan Block, Beijing 100049, P. R. China 4.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming 650011, P. R. China |
| 推荐引用方式 GB/T 7714 | Liu L,Qian SB,He JJ,et al. The Active Contact Binary FU Draconis: Four Color Light Curves and Period Changes[J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN,2012,64(3):48-53. |
| APA | Liu L,Qian SB,He JJ,Liao WP,Zhu LY,&Zhao EG.(2012).The Active Contact Binary FU Draconis: Four Color Light Curves and Period Changes.PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN,64(3),48-53. |
| MLA | Liu L,et al."The Active Contact Binary FU Draconis: Four Color Light Curves and Period Changes".PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN 64.3(2012):48-53. |
入库方式： OAI收割
来源：云南天文台
浏览0
下载0
收藏0
其他版本
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。