Updated census of RR Lyrae stars in the globular cluster ω Centauri (NGC 5139) C. Navarrete, R. Contreras Ramos, M. Catelan, C. M. Clement, F. Gran, J. Alonso-García, R. Angeloni, M. Hempel, I. Dékány and D. Minniti A&A, 577 (2015) A99 Published online: 08 May 2015 DOI: 10.1051/0004-6361/201424838