Computer Science – Performance
Scientific paper
Jan 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005esasp.576..417b&link_type=abstract
"Proceedings of the Gaia Symposium "The Three-Dimensional Universe with Gaia" (ESA SP-576). Held at the Observatoire de Paris-Me
Computer Science
Performance
2
Gaia, Simulations
Scientific paper
Detailed and accurate simulations are needed to be able to test and optimize the design according to the scientific needs, develop the on-board algorithms, prepare the reduction studies and assess the final performances and challenges. To this aim, a pixel-level simulator of the Gaia observations has been developed. It is part of the Gaia Simulator, sharing a common structure with the telemetry simulator GASS. It combines a model of the astrophysical sources that Gaia will observe with a model of the instruments, in order to simulate Gaia observations of given regions of the sky with a high level of precision. I will present here this pixel-level simulator with its current applications.
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