* alf Cru

[ α=12.4h, δ=-63.1° | B0.5IV+B1V | d=98.7 pc ]
* alf Cru , HIP 60718 , NAME Acrux
Best fit:
Tstar = 25000 ± 7000 K , Lstar = 40000 ± 30000 LSun , Rstar = 12 ± 3 RSun