Epsilon Mensae

Epsilon Mensae is a single star about away in the faint constellation Mensa. It has an apparent magnitude of 5.5, making it visible with the naked eye under good skies. With a radial velocity of 10.82 km/s, it is drifting away from the Solar System, and is currently located 454 light years away based on parallax. 
Properties.
This is a K2/3 giant that has exhausted hydrogen at its core. This means that the spectrum of Epsilon Mensae is intermediate between a K2 and K3 star. It is about 1.2 times the mass of the Sun, but has expanded to 23 times the girth. It is radiating 170 times the Sun's luminosity, and has an effective temperature of .