Differences in the SED resulting from different dust species. The solid line represents the large dust grains and the dashed line the small dust grains. In both cases an unperturbed circumstellar disk of M = 2.67 × 10-2 M⊙ is used. A G type star hosts this disk with an inner radius of Rin = 38 AU and an outer radius of Rout = 171 AU. In the wavelength range between 730 μm and 3.3 mm, the spectral index for the large grains is αspec,large = 2.84 ± 0.01 and for the small dust grains αspec,small = 3.96 ± 0.01.
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