BD+63 137

[ α=1.1h, δ=63.9° | K7V | d=15.1 pc ]
GJ 52 , HIP 5247 , TYC 4025-626-1
Best fit:
Tstar = 4191 ± 8 K , Lstar = 0.1079 ± 0.0006 LSun , Rstar = 0.623 ± 0.004 RSun