RV Tauri variables are also often considered to lie on the instability strip near the Cepheids; although they are a very different type of star, their pulsations have been shown to be due to the same basic mechanism.
RV Tauri variables are also often considered to lie on the instability strip near the Cepheids. They are a very different type of star. Their pulsations have been shown to be due to the same basic mechanism.