{{DISPLAYTITLE:Eta2 Coronae Australis}} η2 Coronae Australis, Latinized as Eta2 Coronae Australis, is a single star located in the southern constellation of Corona Australis. It is visible to the naked eye as a dim, blue-white hued star with an apparent visual magnitude of 5.587. Parallax measurements yield a distance estimate of 480 light-years from the Sun, but it is drifting closer with a radial velocity of −23 km/s. This object has a stellar classification of B9IV, matching a B-type subgiant star. It is 213 million years old with a mass of 3.23 times that of the Sun. The star is radiating 171 times the luminosity of the Sun from its photosphere at an effective temperature of 10,940 K. Sources B-type subgiants Corona Australis Corona Australis, Eta2 Durchmusterung objects 173861 092382 7068