Omicron Tauri

Omicron Tauri (ο Tau, ο Tauri) is a star in the constellation Taurus. Omicron Tauri is a yellow G-type giant with an apparent magnitude of +3.61. This star has three times the mass of the Sun and fifteen to eighteen times the Sun's radius. Based on the latter, interferometry-measured radius, it is rotating once every 533 days. It is approximately 212 light years from Earth and is radiating 155 times the luminosity of the Sun.

This is a binary star system with the two components orbiting each other over a period of 1,655 days at an eccentricity of 0.263.