G型主系列星
Phi1 Hydrae is an ordinary G-type main-sequence star, having a Sun-like stellar classification of G2 V and a photospheric temperature only slightly higher than the sun. However, the mass is 34% greater than the Sun, and it is radiating 4.4 times the Sun's luminosity. Phi1 Hydrae is moving further from the Sun with a radial velocity of +15.8 km/s.