PHAT: PHoto-z Accuracy Testing H. Hildebrandt, S. Arnouts, P. Capak, L. A. Moustakas, C. Wolf, F. B. Abdalla, R. J. Assef, M. Banerji, N. Benítez, G. B. Brammer et al. (15 more) A&A, 523 (2010) A31 Published online: 15 November 2010 DOI: 10.1051/0004-6361/201014885