CCD photometry of CY Aquarii IV. The 2012--2015 seasons

C. Wiedemair, C. Sterken, T. Eenmäe, T. Tuvikene, D. Niederkofler, P. Franzinelli, J. Durnwalder, R. Nardi, T. Franzinelli, I. Morawetz, S. K. Nugroho, J. Damini Hofer, and J. Seeber

Based on more than 50 partial nights of CCD monitoring, we derive 118 new times of maximum light of the SX Phoenicis star CY Aquarii. These times support a linear ephemeris for 2013--2015.