A state-of-the-art analysis of the dwarf irregular galaxy NGC 6822 F. Fusco, R. Buonanno, S. L. Hidalgo, A. Aparicio, A. Pietrinferni, G. Bono, M. Monelli and S. Cassisi A&A, 572 (2014) A26 Published online: 24 November 2014 DOI: 10.1051/0004-6361/201323075