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Table 5

Fitted dust BB-temperatures and wavelengths, λBB, that correspond to the frequency of the peak of the BB-function Bν(λ, Tdust) for spherical models, and edge-on spirals and discs.

Mass Model Tdust λBB Rdust
(M) (K) (μm) (au)
10−4 Sphere 227 22 152
Spiral 133 38 573
Disc 50 102 6590(a)
10−5 Sphere 287 18 85
Spiral 629 8 12(b)
Disc 120 43 747
10−6 Sphere 287 18 85
Spiral 411 12 34
Disc 340 15 55
10−7 Sphere 287 18 85
Spiral 411 12 34
Disc 298 17 80(b)
10−8 Sphere 287 18 85
Spiral 293 17 80
Disc 519 10 19(b)

Notes. (a) Dust BB-radius may appear as >5000 au even thoughthere is no dust there since the dust we do see is colder than it would have been in an optically thin model. (b) In these examples the BB-fit to the simulated SED was complicated by the presence of strong silicate features.

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