The CFHQSIR survey: a Y-band extension of the CFHTLS-Wide survey S. Pipien, S. Basa, J.-G. Cuby, J.-C. Cuillandre, C. Willott, T. Moutard, J. Chatron, S. Arnouts and P. Hudelot A&A, 616 (2018) A55 Published online: 15 August 2018 DOI: 10.1051/0004-6361/201731944