Pulsating stars in ω Centauri. Near-IR properties and period-luminosity relations Camila Navarrete, Márcio Catelan, Rodrigo Contreras Ramos, Javier Alonso-García, Felipe Gran, István Dékány and Dante Minniti EPJ Web Conf., 152 (2017) 07005 Published online: 08 September 2017 DOI: 10.1051/epjconf/201715207005