2 papers
astro-ph.SR2026
The light curve of T Cephei: humps, long-term changes and recent phenomena
Mike Goldsmith
The long-period Mira variable T Cephei has been observed for nearly 150 years, during which more than 130 cycles have been recorded. Using visual observations from the AAVSO databa…
astro-ph.SR2025
Changes in R Leonis over Two Centuries: Period evolution and dust shell development
Mike Goldsmith
The AAVSO-based historical light curve of the oxygen-rich Mira variable R Leonis is used to determine and analyse the properties of the star's maxima and minima. The pulsation peri…