Phi1 Cancri

Phi1 Cancri, Latinised from φ1 Cancri, is a solitary, orange-hued star in the constellation Cancer. It is faintly visible to the naked eye with an apparent visual magnitude of +5.57. Based upon an annual parallax shift of 8.74 mas, it is approximately 370 light-years from the Sun.

This is an evolved K-type giant star with a stellar classification of K5 III. The measured angular diameter of this star, after correction for limb darkening, is $25.25$. At the estimated distance of Phi1 Cancri, this yields a physical size of about 17 times the radius of the Sun. It is radiating 121 times the Sun's luminosity from its photosphere at an effective temperature of $−0.134$.