V* HK Aql

[ α=18.7h, δ=0.2° | K5III | d=425.4 pc ]
HD 172829 , TYC 447-14-1
Best fit:
Tstar = 3191 ± 6 K , Lstar = 410 ± 20 LSun , Rstar = 66 ± 2 RSun