V* V4026 Sgr

[ α=19.8h, δ=-17.1° | M2III | d=425.8 pc ]
HD 186780 , HIP 97351 , TYC 6316-748-1
Best fit:
Tstar = 3025 ± 3 K , Lstar = 2400 ± 300 LSun , Rstar = 179 ± 9 RSun