Planetary nebulae in the dwarf galaxy NGC 6822: Detection of new candidates P. Leisy, R. L. M. Corradi, L. Magrini, R. Greimel, A. Mampaso and M. Dennefeld A&A, 436 2 (2005) 437-442 Published online: 30 May 2005 DOI: 10.1051/0004-6361:20041822