Resolved double-lined spectroscopic binaries: A neglected source of hypothesis-free parallaxes and stellar masses

被引：145
|
作者：
Pourbaix, D
机构：
[1] Free Univ Brussels, Inst Astron & Astrophys, B-1050 Brussels, Belgium
[2] Observ Royal Belgique, B-1180 Brussels, Belgium
来源：
ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES | 2000年 / 145卷 / 02期
关键词：
methods : data analysis; stars; binaries; spectroscopic; visual; distances; fundamental parameters;
D O I：
10.1051/aas:2000237
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Double-lined spectroscopic binaries, once visually resolved (VB-SB2), provide hypothesis-free orbital parallaxes and masses of both components. Unlike eclipsing-spectroscopic binaries for which many accurate masses are already known (Andersen 1991; Andersen 1997), the number of VB-SB2 remains rather small. This paper presents 40 such systems for which published visual observations and radial velocities allow a simultaneous adjustment of both data sets. The precision of the individual masses as well as the evolution of that precision with respect to the published precision is investigated.
引用
收藏
页码：215 / 222
页数：8
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