Strengthening the open cluster distance scale via VVV photometry D. Majaess, D. Turner, C. Moni Bidin, D. Geisler, J. Borissova, D. Minniti, C. Bonatto, W. Gieren, G. Carraro, R. Kurtev et al. (7 more) A&A, 537 (2012) L4 Published online: 12 January 2012 DOI: 10.1051/0004-6361/201118614