* alf Gru

[ α=22.1h, δ=-47.0° | B6V | d=31.0 pc ]
* alf Gru , GJ 848.2 , GJ 9767 , HD 209952 , HIP 109268 , HR 8425 , NAME Alnair , TYC 8438-1959-1
Best fit:
Tstar = 14000 ± 100 K , Lstar = 450 ± 10 LSun , Rstar = 3.6 ± 0.03 RSun