TY Coronae Australis
TY Coronae Australis, is a young star system around 3 million years old in the constellation Corona Australis. It is composed of a blue-white B-class star around triple the Sun's mass and a cooler smaller companion around half its mass. The system is an eclipsing binary with a period of 2.8 days.
Robert T. A. Innes announced his discovery that the star is a variable star, in 1916.