BD-21 4352

[ α=16.4h, δ=-21.9° | M0V | d=18.6 pc ]
GJ 622 , HIP 80440 , TYC 6215-1468-1
Best fit:
Tstar = 3916 ± 10 K , Lstar = 0.0576 ± 0.0005 LSun , Rstar = 0.521 ± 0.004 RSun