CCD photometry of CY Aquarii VII. The 2021-2024 seasons

C. Wiedemair, E. Broens, C. Sterken, N. Knapp, A. Pardew, M. Mair, & G. Klapfer

Based on 43 partial nights of CCD monitoring, we derive 91 new times of maximum light of the SX Phoenicis star CY Aquarii. These times reveal the onset of yet another change in the pulsation period, disrupting the established decade-long linear ephemeris.