Alawathugoda, R M. B. M. B.; Indika Medagangoda, N.; Kandeepan, S.; Attygalle, M. L. C.
(The Open university of Sri Lanka, 2025)
This study presents a comprehensive analysis of Classical Cepheid variable stars within the young, metal-rich Globular Cluster NGC 1866. High-resolution imaging from the Hubble Space Telescope (HST) in the F555W and F814W ...