HD 139840

[ α=15.7h, δ=-0.9° | K0III | d=239.9 pc ]
HD 139840 , HIP 76763 , TYC 5017-766-1
Best fit:
Tstar = 4520 ± 20 K , Lstar = 45 ± 1 LSun , Rstar = 11 ± 0.2 RSun