2012
DOI: 10.1051/0004-6361/201118646
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GaiaUniverse model snapshot

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. Ingredients of the model are describ… Show more

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Cited by 213 publications
(228 citation statements)
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“…Data simulations formed an essential element of the DPAC preparations for the operational lifetime of both Gaia and the data processing. The simulations spanned the three levels from the pixels in the focal plane (GIBIS; Babusiaux et al 2011), through simulated telemetry (GASS; Masana et al 2008) to simulated DPAC data products (GOG; Antiche et al 2014), which were used both internally and to support the astronomical community in preparing itself for the Gaia mission (Robin et al 2012;Luri et al 2014). These last simulations have been made available and will continue to be available alongside the released Gaia data.…”
Section: Simulations Supplementary Data and Observations Data Publimentioning
confidence: 99%
“…Data simulations formed an essential element of the DPAC preparations for the operational lifetime of both Gaia and the data processing. The simulations spanned the three levels from the pixels in the focal plane (GIBIS; Babusiaux et al 2011), through simulated telemetry (GASS; Masana et al 2008) to simulated DPAC data products (GOG; Antiche et al 2014), which were used both internally and to support the astronomical community in preparing itself for the Gaia mission (Robin et al 2012;Luri et al 2014). These last simulations have been made available and will continue to be available alongside the released Gaia data.…”
Section: Simulations Supplementary Data and Observations Data Publimentioning
confidence: 99%
“…Binaries are implemented by following the scheme proposed by Arenou (2011), which is applied in the Gaia simulator (Robin et al 2012a). The thorough explanation of the algorithm and the observational data, which were used to set the empirical relations adopted in this scheme, can be found in those articles.…”
Section: Binaritymentioning
confidence: 99%
“…This is one of the three Gaia generators of simulated data that also include GASS (telemetry generator) and GIBIS (image generator). The GOG is a tool designed to obtain directly simulated catalogue and main database data for the Gaia satellite, passing through the entire mission data reduction chain (Robin et al 2012). The outputs are astrometric, photometric, and spectroscopic epoch and final data.…”
Section: Ultra-cool Dwarfs With Gaiamentioning
confidence: 99%