A long-period Cepheid variable in the starburst cluster VdBH222 J. S. Clark, I. Negueruela, M. E. Lohr, R. Dorda, C. González-Fernández, F. Lewis and P. Roche A&A, 584 (2015) L12 Published online: 07 December 2015 DOI: 10.1051/0004-6361/201527360