Unstable behavior of the WUMa-type contact binary V1073 Cygni

被引：6
|
作者：
Yang, YL [1 ]
Liu, QY
机构：
[1] Acad Sinica, Yunnan Observ, Kunming 650107, Peoples R China
[2] Chinese Acad Sci, United Lab Opt Astron, Beijing 100864, Peoples R China
[3] Chinese Acad Sci, Natl Astron Observ, Beijing 100864, Peoples R China
来源：
ASTROPHYSICS AND SPACE SCIENCE | 2000年 / 274卷 / 04期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1023/A:1026545905650
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Observational evidence of unstable behavior for the W UMa-type binary system V1073 Cygni is presented in this paper. Having collected 111 times of minimum light during 1930-1998, we analyzed the change in the orbital period of this system. A period decrease was detected. Comparing the photoelectric observations in 1963-64 with that made in 1988-91, obvious variable O'Connell effect of the light curves in V can be seen. Possible reasons for the unstable behavior of V1073 Cyg were discussed.
引用
收藏
页码：799 / 807
页数：9
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