BD+57 1274

[ α=10.5h, δ=57.1° | K5V | d=17.6 pc ]
GJ 397.1 , GJ 9331 , HIP 51547 , TYC 3819-645-1
Best fit:
Tstar = 4066 ± 8 K , Lstar = 0.0892 ± 0.0005 LSun , Rstar = 0.602 ± 0.004 RSun