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Title:
A selection of SB which could get accurate masses from Gaia astrometry
Authors:
Halbwachs, J.-L.; Arenou, F.
Publication:
SF2A-2009: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics, held 29 June - 4 July 2009 in Besançon, France. Eds.: M. Heydari-Malayeri, C. Reylé and R. Samadi, p.53
Publication Date:
11/2009
Origin:
AUTHOR
Bibliographic Code:
2009sf2a.conf...53H

Abstract

Gaia will provide astrometric measurements accurate enough for deriving the masses of spectroscopic binary (SB) components with uncertainties around 1%. A list of a bit less than 100 SB is set up for that purpose. However, the spectroscopic elements of these systems need to be derived again from accurate radial velocity measurements in order to achieve a 1% accuracy on the masses.
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