Tags: Star.
Phi Aurigae (φ Aur φ Aurigae) is the Bayer designation for a star in the northern constellation of Auriga. It is faintly visible to the naked eye with an apparent visual magnitude of 5.089. The distance to this star as determined from parallax measurements is approximately 450 light-years (140 parsecs) with a 40 light-year margin of error. This is an evolved giant star with a stellar classification of K3 IIIp and an estimated radius equal to 16 times the radius of the Sun.
