New eccentric eclipsing binary in triple system: SY Phe

被引：2
|
作者：
Zasche, P. [1 ]
机构：
[1] Charles Univ Prague, Fac Math & Phys, Astron Inst, CZ-18000 Prague 8, Czech Republic
来源：
NEW ASTRONOMY | 2012年 / 17卷 / 08期
关键词：
Stars: binaries: eclipsing; Stars: individual: SY Phe; Stars: fundamental parameters; LIGHT CURVES; ALL-SKY; CATALOG;
D O I：
10.1016/j.newast.2012.05.002
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Analyzing available photometry from Hipparcos, ASAS, Pi of the sky and Super WASP, we found that the system SY Phe is a detached eclipsing binary with similar components and orbital period about 5.27089 days. It has a slightly eccentric orbit, however the apsidal motion is probably very slow. The system undergoes an additional photometric variation on longer time scales superimposed on the eclipsing light curve. It also contains one distant component, hence the third light was also considered. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：687 / 690
页数：4
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