Confirmation of a galaxy cluster hidden behind the Galactic bulge using the VVV survey Georgina Coldwell, Sol Alonso, Fernanda Duplancic, Maren Hempel, Valentin D. Ivanov and Dante Minniti A&A, 569 (2014) A49 Published online: 18 September 2014 DOI: 10.1051/0004-6361/201423464