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Centro de Astrofísica da Universidade do Porto
Study of binaries with radial velocity and astrometry

Lisa Benamati

I will present a study to access the orbital parameters and masses of a sample of candidate metal-poor binary stars using a combination of radial velocity and astrometry.
I will explain the methods that have been used, and I'll point out a particular case: CD-436810, in which the solution with the old and new reduction of the Hipparcos Catalogue is different.

26 março 2013, 13:30

Centro de Astrofísica
Rua das Estrelas
4150-762 Porto