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

页码：215 / 222

页数：8

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