* alf Gem B

[ α=7.6h, δ=31.9° | kA0hA2:mA1IVs | d=15.6 pc ]
* 66 Gem B , * alf Gem B , * alf01 Gem , GJ 278 B , HD 60178 , HR 2890 , TYC 2457-2407-2
Best fit:
Tstar = 11000 ± 2000 K , Lstar = 18 ± 8 LSun , Rstar = 1.3 ± 0.3 RSun