* alf Lyr

[ α=18.6h, δ=38.8° | A0Va | d=7.7 pc ]

* 3 Lyr , * alf Lyr , GJ 721 , GJ 721.0 , HD 172167 , HIP 91262 , HR 7001 , TYC 3105-2070-1

Figs: sed | limits

I/O: data | model

Post: fit | extra

Best fit:

T_star = 10630 ± 10 K , L_star = 74.6 ± 0.7 L_Sun , R_star = 2.54 ± 0.01 R_Sun

T_dust = 155 ± 1 K , R_BB = 27.8 ± 0.5 au , L_disk/L_star = 4.4e-06 ± 3e-08 , λ₀ = 400 ± 300 μm , β = 0.5 ± 0.1

T_dust = 34 ± 0.3 K , R_BB = 580 ± 10 au , L_disk/L_star = 7.4e-06 ± 1e-07 , λ₀ = 59 ± 1 μm , β = 1.99 ± 0.06