O-C data for RY Cas These files present 87 Times of maxima (ToM) and their O-C for the classical cepheid RY CAS computed on the GCVS ephemeris : GCVS: MAX heliocentric julian day = 2447419.226 + 12.13856*E (C) Guy Boistel for the GEOS (june 2024)
arXiv link : https://arxiv.org/abs/2407.03730