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Table 4

Parameters of the radiative-transfer model population.

Parameter Value

Star
mass/lum./eff. temp. (1.7 M, 11L, 7000 K),
  (M, L,Teff) (2.0 M, 21L, 8500 K),
(2.6 M, 60L, 10 000 K),
(3.5 M, 200L, 13 000 K)
distance d 140 pc
Disk
surface density power p 1.0
dust mass Mdust 10-3.5M
disk inner radius Rin Rsub, 1, 2.5, 4, 6, 8, 10, 15, 20 au
disk outer radius Rout 300 au
minimal grain size amin 0.01, 0.03, 0.1, 0.3, 1.0, 3.0 μm
maximal grain size amax 1 mm
grain size distribution –3.5
dust composition amorphous MgFeSiO4 (90%)
carbonaceous grains (10%)
dust-to-gas ratio 0.01
turbulence parameter α 10-5,10-4,10-3,10-2
inclination i 10, 25, 40, 60, 70°
Halo
halo inner radius R sub
halo outer radius 1.3 Rsub
dust composition halo same as disk, a = 0.31.0 μm
halo opacity τV 0.2
Interferometric model observations
baseline lengths 10, 20, 30, ..., 130, 140 m
baseline angles 0, 15, 30, ..., 150, 165°

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