IRC -20321

[ α=16.7h, δ=-21.9° | M6 | d=644.7 pc ]
Best fit:
Tstar = 2043 ± 3 K , Lstar = 3300 ± 500 LSun , Rstar = 460 ± 30 RSun
Tdust = 136 ± 10 K , RBB = 240 ± 40 au , Ldisk/Lstar = 0.0031 ± 0.0002 , λ0 = 17 ± 2 μm , β = 2.7 ± 0.1