F型主系列星
This is an ordinary F-type main-sequence star with a stellar classification of F1V, which indicates it is generating energy from hydrogen fusion at its core. This energy is being radiated from its photosphere at the rate of 7.8 times the Sun's luminosity with an effective temperature of 7,380 K. 7 Andromedae is 1.1 billion years old and is spinning with a projected rotational velocity of 61 km/s.