BD+20 307

[ α=1.9h, δ=21.3° | G0 | d=117.3 pc ]
HIP 8920 , TYC 1212-207-1
Best fit:
Tstar = 5564.3 ± 0.9 K , Lstar = 2.91 ± 0.01 LSun , Rstar = 1.837 ± 0.004 RSun
Tdust = 240.42 ± 0.1 K , RBB = 2.287 ± 0.006 au , Ldisk/Lstar = 0.01886 ± 7e-05 , λ0 = 10.3 ± 0.007 μm , β = 2.95 ± 0.01