Gaia-ESO Survey: Properties of the intermediate age open cluster NGC 4815 E. D. Friel, P. Donati, A. Bragaglia, H. R. Jacobson, L. Magrini, L. Prisinzano, S. Randich, M. Tosi, T. Cantat-Gaudin, A. Vallenari et al. (27 more) A&A, 563 (2014) A117 Published online: 19 March 2014 DOI: 10.1051/0004-6361/201323215