HD 239960B

[ α=22.5h, δ=57.7° | M4V | d=4.0 pc ]
GJ 860 B , HD 239960 B , HD 239960B , TYC 3991-92-2
Best fit:
Tstar = 18000 ± 8000 K , Lstar = 2 ± 3 LSun , Rstar = 0.17 ± 0.05 RSun