Detection of tertiary components in W ursae majoris systems

被引：27

作者：

Hendry, PD ^{[1
]}

Mochnacki, SW ^{[1
]}

机构：

[1] Univ Toronto, David Dunlap Observ, Richmond Hill, ON L4C 4Y6, Canada

来源：

ASTROPHYSICAL JOURNAL | 1998年 / 504卷 / 02期

关键词：

binaries : close; binaries : eclipsing;

D O I：

10.1086/306126

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Extensive spectroscopic observations with good phase coverage of a small sample of W UMa systems were made at the David Dunlap Observatory. The data were found to be very sensitive to the presence of tertiary companions. All of the systems studied were found, or were previously known, to contain companion stars or binaries, including two systems not previously proven to have companions: SW Lac and V502 Oph. We suggest that the existence of tertiary components in W UMa systems is more widespread than previously known.

引用

页码：978 / 982

页数：5

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