UK Gaia CU9: Delivering Gaia to the Community: 2019-2024

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Gaia is the cornerstone ESA mission which provides the first astrometric census of the sky. More than two billion sources will be surveyed; allowing major advances in Galactic structure and evolution, stellar evolution, solar system dynamics, exo- planetary systems, cosmology and fundamental physics. Gaia is launched in autumn 2013, with the Gaia Data Release 2 in Apr 2018, representing the first major release of full astrometry for over 1.3 billion sources.. Its huge data set will revolutionise much of astrophysics, provided astronomers can access and understand the data. This proposal is to support the UK leadership roles in Gaia data delivery to users, especially in archive design, science requirements specification, documentation, and support for public-access interface software.