Observational tests of the GAIA expected harvest on eclipsing binaries

Abstract

GAIA observations of eclipsing binary stars will have a large impact on stellar astrophysics. Accurate parameters, including absolute masses and sizes will be derived for $\sim 10^4$ systems, orders of magnitude more than what has ever been done from the ground. Observations of 18 real systems in the GAIA-like mode as well as with devoted ground-based campaigns are used to assess binary recognition techniques, orbital period determination, accuracy of derived fundamental parameters and the need to automate the whole reduction and interpretation process.

10 pages, 6 figures; to be published in GAIA spectroscopy, Science and Technology, ASP Conference Series, U.Munari (ed.)

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