Gaia Data Release 1 - On-orbit performance of the Gaia CCDs at L2 C. Crowley, R. Kohley, N. C. Hambly, M. Davidson, A. Abreu, F. van Leeuwen, C. Fabricius, G. Seabroke, J. H. J. de Bruijne, A. Short et al. (12 more) A&A, 595 (2016) A6 Published online: 24 November 2016 DOI: 10.1051/0004-6361/201628990