A superburst from 4U 1254-69 J. J. M. in 't Zand, E. Kuulkers, F. Verbunt, J. Heise and R. Cornelisse A&A, 411 3 (2003) L487-L491 Published online: 17 November 2003 DOI: 10.1051/0004-6361:20031586