Simulating Gaia observations using a "Universe Model"

Details Simulating Gaia observations using a "Universe Model" Simulating Gaia observations using a "Universe Model"

Nov 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009sf2a.conf...79r&link_type=abstract

SF2A-2009: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics, held 29 June - 4 July 2009 in

Astronomy and Astrophysics

Astrophysics

Scientific paper

Preparing the Gaia mission requires large efforts dedicated to simulations of the observations. Several simulators have been constructed, generating telemetry, images, or the final database. All these tools use a "Universe Model" containing essentially the astronomical objects seen by Gaia and their characteristics, as well as a Relativity model and a radiation model for estimating the potential dammage to the CCDs. The construction of the Universe Model will be described, together with the computation of the astronomical sources characteristics, and the applications and limitations of such a model.

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