Beta Coronae Australis
Beta Coronae Australis, Latinized from β Coronae Australis, is a single star in the southern constellation of Corona Australis. It is visible to the naked eye as a faint, orange-hued star with an apparent visual magnitude of 4.10. The star is located around 470 light years distant from the Sun based on parallax, and is drifting further away with a radial velocity of +3 km/s.
This is an aging K-type giant/bright giant star with a stellar classification of K0II/IIICNIb, where the suffix notation indicates an abundance anomaly of CN in the spectrum. Having exhausted the supply of hydrogen at its core, the star has expanded to 41 times the girth of the Sun. It shines with a luminosity approximately 694 times that of the Sun and has a surface temperature of 4,771 K.
