Physical properties of the HAT-P-23 and WASP-48 planetary systems from multi-colour photometry S. Ciceri, L. Mancini, J. Southworth, I. Bruni, N. Nikolov, G. D’Ago, T. Schröder, V. Bozza, J. Tregloan-Reed and Th. Henning A&A, 577 (2015) A54 Published online: 01 May 2015 DOI: 10.1051/0004-6361/201425449