* tau Cen

[ α=12.6h, δ=-48.5° | A1IVnn | d=41.2 pc ]
* tau Cen , HD 109787 , HIP 61622 , HR 4802 , TYC 8236-3158-1
Best fit:
Tstar = 8740 ± 40 K , Lstar = 40.6 ± 0.8 LSun , Rstar = 2.78 ± 0.03 RSun