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SpaceOps 2012 Conference
CNES is in charge of a large part of the Gaia data processing. The Gaia astronomy mission aims at mapping one billion stars and objects. The Gaia project, the Data Processing and Analysis Consortium and the role of CNES are presented. The satellite is planned to be launched in 2013.This paper focus on the complexity of the operation plan in terms of data volume, of processing systems and of organisation as scientific algorithm development will continue during operations. Gaia scientific datadoi:10.2514/6.2012-1291264 fatcat:a3jiae73b5bmzcxawi5gf4uzay