Table 13
Radial dependence of dust emissivity.
| (1) | (2) | (3) | (4) | (5) | (6) | (7) |
| Source | βr | Pivot Rb (AU) | Width Rw (AU) | Δχ2 | Rt | γ |
|
|
||||||
| CI Tau | 0.18 ± 0.10 | 110 ± 25 | 150 ± 90 | 13 | 90 ± 5 | 0.33 ± 0.04 |
| CY Tau | 0.32 ± 0.13 | 90 ± 10 | 5 ± 5 | 17 | 22 ± 1 | 0.17 ± 0.07 |
| DL Tau | 0.42 ± 0.07 | 90 ± 9 | 65 ± 20 | 63 | 75 ± 5 | 0.37 ± 0.03 |
| DM Tau | 0.33 ± 0.09 | 110 ± 25 | 245 ± 140 | 14 | 125 ± 11 | 0.48 ± 0.05 |
| DG Tau-b | 0.75 ± 0.31 | 60 ± 11 | 27 ± 27 | 35 | 72 ± 45 | 1.25 ± 0.27 |
|
|
||||||
| DG Tau | 0.27 ± 0.22 | |||||
| FT Tau | −0.38 ± 0.30 | > 60 | −4 | |||
| LkCa 15 | 0.39 ± 0.44 | −60 ± 160 | 160 ± 360 | 2 | ||
| MWC 480 | 0.30 ± 0.19 | 45 ± 10 | 130 ± 16 | −60 | > 70 | 1.50 ± 0.10 |
| MWC 480 | − | 36 ± 3 | 6 ± 5 | 0 | 41 ± 1 | 0.38 ± 0.03 |
| UZ Tau | 0.63 ± 0.41 | 55 ± 8 | 14 ± 26 | 10 | 25 ± 7 | 1.05 ± 0.25 |
Notes. βr as defined in Eq. (16). Rb and Rw as defined in Eq. (17). Δχ2 is the χ2 offset (positive means better fit) of the fit using Eq. (17) compared to the constant β(r) = βm hypothesis. Rt and γ in Cols. 6, 7 are the parameters of the softened edge surface density distribution derived assuming the dust properties from Isella et al. (2009), see Fig. 9. For MWC 480, the line in italics is under the assumption of κν(1.3 mm) = 2 cm2 g-1.
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