It has a stellar classification of B2 IV, indicating that it is in the subgiant stage of its stellar evolution. An effective temperature of 19,800 K in the outer envelope is what gives it the blue-white hue of a B-type star.
The stellar classification for this object is B2 IV, indicating it is currently in the subgiant stage of stellar evolution. The high effective temperature of 19,800 K in the outer layer results in its characteristic blue-white hue typical of a B-type star.