Y Tauri

Y Tauri is a carbon star located in the constellation Taurus. Parallax measurements by Gaia put it at a distance of approximately 2,170 light-years.
In the 19th century, Thomas William Webb and John Birmingham noted that Y Tauri might be a variable star. Thomas William Backhouse confirmed that the star's brightness varies, in 1887. Y Tauri is a semiregular variable star. Its class is SRb, and its primary pulsation cycle lasts 241.5 days. No long secondary period has been identified. It has a radius of, an effective surface temperature of, and a bolometric luminosity of. Its mass is calculated to be.
Y Tauri is losing mass at /yr, and is surrounded by dust at a temperature of.