Paper:	Binaries in the Hipparcos Data: Keep Digging, II. Modeling the IAD of Known Spectroscopic Systems
Volume:	318, Spectroscopically and Spatially Resolving the Components of Close Binary Stars
Page:	144
Authors:	Pourbaix, D.; Jancart, S.; Jorissen, A.
Abstract:	We reprocess the Hipparcos Intermediate Astrometric Data of know spectroscopic binaries (retrived from the 9th catalogue of spectroscopic binary orbits, http://sb9.astro.ulb.ac.be) to see whether the orbital inclination, and thus the mass of the secondary, can be derived. Several statistical tests (Pourbaix & Arenou 2001) are used to ensure the reliability of the fit. About 70 systems (originally processed as single stars) out of 863 benefit from the orbital model.

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