Eta Antliae

Eta Antliae is a double star in the southern constellation of Antlia. Its Bayer designation is Latinized from η Antliae, and abbreviated Eta Ant or η Ant, respectively. The brighter component has an apparent visual magnitude of 5.222, making it visible to the naked eye. Parallax measurements of the system yield a distance estimate of from Earth. It is drifting further away with a heliocentric radial velocity of +30 km/s.
The main component has a stellar classification of F1 V, which indicates that it is an F-type main sequence star. This star has 55% more mass than the Sun and a 72% greater radius. It shines with 6.6 times the Sun's luminosity at an effective temperature of 7,132 K. This heat gives it the yellow-white glow of an F-type star. There is a faint companion star located 31 arcseconds away with an apparent magnitude of +11.3. Most likely this pair form a binary star system.