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Table 7
Comparison of the spectral index of the considered discontinuous grain size distributions depending on the overabundance of small grains, disk parameters (e.g., fractional width ΔR/R), and ice volume fraction 𝓕ice.
| Single power law | Overabundance of small grains (OS) or underabundance of medium grains (UM) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Composition | ΔR/R | OS1+UM1+SL1 | OS10+UM1+SL1 | OS50+UM1+SL1 | OS100+UM1+SL 1 | ||||||||
 |
 |
Δα |  |
 |
Δα |  |
 |
Δα |  |
 |
Δα | ||
| Astrosil | 0.17 | 2.07 | 2.75 | −0.68 | 2.59 | 2.77 | −0.18 | 3.67 | 2.86 | 0.81 | 4.24 | 2.95 | 1.28 |
| 1.25 | 2.08 | 2.75 | −0.67 | 2.6 | 2.78 | −0.18 | 3.68 | 2.87 | 0.81 | 4.25 | 2.96 | 1.29 | |
| 𝓕ice = 0.5 | 0.17 | 2.55 | 2.82 | −0.26 | 2.92 | 2.85 | 0.07 | 3.72 | 2.99 | 0.73 | 4.12 | 3.11 | 1.01 |
| 1.25 | 2.56 | 2.82 | −0.26 | 2.93 | 2.86 | 0.07 | 3.73 | 3.00 | 0.73 | 4.13 | 3.12 | 1.02 | |
| 𝒫 = 0.5 | 0.17 | 2.65 | 2.87 | −0.23 | 2.91 | 2.93 | −0.01 | 3.47 | 3.09 | 0.38 | 3.74 | 3.22 | 0.52 |
| 1.25 | 2.65 | 2.88 | −0.23 | 2.92 | 2.93 | −0.01 | 3.48 | 3.10 | 0.38 | 3.75 | 3.22 | 0.53 | |
| OS1+UM1+SL1 | OS1+UM10+SL1 | OS1+UM50+SL1 | OS1+UM100+SL1 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 |
 |
Δα |  |
 |
Δα |  |
 |
Δα |  |
 |
Δα | ||
| Astrosil | 0.17 | 2.07 | 2.75 | −0.68 | 2.15 | 2.22 | −0.07 | 2.17 | 2.07 | 0.1 | 2.18 | 2.05 | 0.13 |
| 1.25 | 2.08 | 2.75 | −0.67 | 2.15 | 2.22 | −0.07 | 2.18 | 2.08 | 0.1 | 2.19 | 2.06 | 0.13 | |
| 𝓕ice = 0.5 | 0.17 | 2.55 | 2.82 | −0.26 | 2.26 | 2.29 | −0.03 | 2.17 | 2.19 | −0.02 | 2.15 | 2.17 | −0.02 |
| 1.25 | 2.56 | 2.82 | −0.26 | 2.26 | 2.29 | −0.03 | 2.17 | 2.19 | −0.02 | 2.16 | 2.17 | −0.01 | |
| 𝒫 = 0.5 | 0.17 | 2.65 | 2.87 | −0.23 | 2.24 | 2.33 | −0.08 | 2.13 | 2.23 | −0.10 | 2.11 | 2.22 | −0.11 |
| 1.25 | 2.65 | 2.88 | −0.23 | 2.25 | 2.33 | −0.08 | 2.13 | 2.23 | −0.10 | 2.13 | 2.23 | −0.10 | |
Notes. For the definition of model IDs (OS, UM and SL), see Table 3.
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