BD+20 307

[ α=1.9h, δ=21.3° | G0 | d=117.3 pc ]
HIP 8920 , TYC 1212-207-1
Best fit:
Tstar = 5540 ± 20 K , Lstar = 2.99 ± 0.02 LSun , Rstar = 1.87 ± 0.01 RSun
Tdust = 274 ± 4 K , RBB = 1.78 ± 0.05 au , Ldisk/Lstar = 0.0305 ± 0.0009 , λ0 = 10.05 ± 0.04 μm , β = 1.38 ± 0.06