Astronomy and Astrophysics – Astrophysics
Scientific paper
Aug 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000a%26as..145..215p&link_type=abstract
Astronomy and Astrophysics Supplement, v.145, p.215-222
Astronomy and Astrophysics
Astrophysics
87
Methods: Data Analysis, Stars: Binaries: Spectroscopic, Visual, Distances, Fundamental Parameters
Scientific paper
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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