V* V644 Her

[ α=16.9h, δ=13.6° | F1V | d=75.6 pc ]
HD 152830 , HIP 82798 , HR 6290 , TYC 987-1894-1
Best fit:
Tstar = 6670 ± 20 K , Lstar = 12.9 ± 0.1 LSun , Rstar = 2.69 ± 0.02 RSun