2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/219521Historical optical data are combined with more recent optical, extreme ultraviolet, and X-ray data to update the spin ephemeris of the cataclysmic variable EX Hya.5 pages including 2 tables and 1 encapsulated postscript figure; uses ibvs2.sty; accepted for publication in IBVSAstrophysics of GalaxiesUpdated Spin Ephemeris for the Cataclysmic Variable EX Hydraetext