V* R Aqr

[ α=23.7h, δ=-15.3° | M6.5-8.5e | d=320.3 pc ]
HD 222800 , HIP 117054 , HR 8992 , TYC 6404-77-1
Best fit:
Tstar = 6100 ± 40 K , Lstar = 1.9 ± 0.4 LSun , Rstar = 1.3 ± 0.1 RSun
Tdust = 970 ± 20 K , RBB = 0.11 ± 0.01 au , Ldisk/Lstar = 2020 ± 80 , λ0 = 35 ± 4 μm , β = 0.45 ± 0.03