V* BY Dra

[ α=18.6h, δ=51.7° | K4Ve+K7.5Ve | d=16.6 pc ]
GJ 719 , HD 234677 , HIP 91009 , TYC 3539-2623-1
Best fit:
Tstar = 4230 ± 8 K , Lstar = 0.28 ± 0.002 LSun , Rstar = 0.985 ± 0.006 RSun