sentences:  It is a Beta Cephei variable with an estimated 8.4 times the mass of the Sun and around 7.1 times the Sun's radius.The star is roughly 33 million years old and is spinning with a projected rotational velocity of 50 km/s.It is radiating 8,442 times the solar luminosity from its outer atmosphere at an effective temperature of around 20,815 K.
  
  The third member of this system is a magnitude 5.98 star at an angular separation of 0.10 arc seconds along a position angle of 129°, as of 1996.