Delta_Phoenicis
Delta Phoenicis
Star in the constellation Phoenix
Delta Phoenicis, Latinized from δ Phoenicis, is a single,[9] yellow-hued star in the southern constellation of Phoenix. With an apparent visual magnitude of 3.93,[2] it is visible to the naked eye. Based upon an annual parallax shift of 22.95 mas as seen from Earth,[1] it is located 142 light years from the Sun. The star is moving closer to the Sun with a radial velocity of −7 km/s.[4]
This is a G-type giant star with a stellar classification of G8.5 IIIb.[2] It is a red clump star, which means it has reached the stage of its evolution where it is generating energy through helium fusion at its core.[7] The measured angular diameter of this star, after correction for limb darkening, is 2.24±0.02 mas.[10] At its estimated distance, this yields a physical size of about 10.5 times the radius of the Sun.[6] It is around 3.7[5] billion years old with 1.46[5] times the mass of the Sun. The star is radiating 60[2] times the Sun's luminosity from its enlarged photosphere at an effective temperature of 4,762 K.[5]