B型主序星
The visible component of the pair has a blue-white hue with a stellar classification of B2.5V, indicating that it is a B-type main-sequence star undergoing core hydrogen fusion. It is a few million years old with a relatively high rotation rate and around 7–8 times the mass of the Sun. The star is radiating about 3,620 times the Sun's luminosity from its photosphere at an effective temperature of 20,350 K.