Keywords :
Astrophysics - Galaxy Astrophysics, Astrophysics Cosmology and Extragalactic Astrophysics, Astrophysics Instrumentation and Methods for Astrophysics, Astrophysics Solar and Stellar Astrophysics
Abstract: Context: This study has been developed in the framework of the computational simulations that are executed for the preparation of the ESA Gaia astrometric mission. Aims: We focus on describing the objects and characteristics that Gaia will potentially observe without taking into consideration instrumental effects (detection efficiency, observing errors). Methods: The theoretical Universe Model prepared for the Gaia simulation has been statistically analysed at a given time.
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