The primary is a B-type star with a stellar classification of B1.5 V or B2 IV, depending on the source. This indicates it may be a main sequence star or a more evolved subgiant star.
The primary is classified as a B-type star with a classification that varies between B1.5 V and B2 IV depending on the source. This implies it may be either in the main sequence stage or an advanced subgiant phase.