G 139-27

[ α=17.3h, δ=8.1° | M2.5Ve | d=15.1 pc ]
GJ 2128 , HIP 84521 , TYC 978-1169-1
Best fit:
Tstar = 3460 ± 8 K , Lstar = 0.0235 ± 0.0002 LSun , Rstar = 0.427 ± 0.003 RSun