期刊
ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES
卷 145, 期 2, 页码 215-222出版社
EDP SCIENCES S A
DOI: 10.1051/aas:2000237
关键词
methods : data analysis; stars : binaries : spectroscopic, visual; distances; fundamental parameters
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.
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