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Table 3
Size distribution and alignment parameters for our four dust models A, B, C, and D described in Sect. 5.6.
| Model | Populations | ϵ | Porosity | Dust mass | Composition | ppm | amax | α | aalig | pstiff | fmax |
|---|---|---|---|---|---|---|---|---|---|---|---|
| (per H mass) | (μm) | (μm) | |||||||||
| A | PAH | … | … | 7.10 × 10−4 | C | 59 | … | … | … | … | … |
| a-C | 1/3 | … | 1.32 × 10−3 | C | 110 | 0.070 | –4.14 | … | … | … | |
| astrosilicate (WD01) | 1/3 | 20% | 6.52 × 10−3 | MgFeSiO4 | 37.9 | 0.52 | –3.32 | 0.108 | 0.27 | 1.0 | |
| B | PAH | … | … | 6.49 × 10−4 | C | 55 | … | … | … | … | … |
| a-C | 1/3 | … | 1.32 × 10−3 | C | 110 | 0.45 | –4.99 | … | … | … | |
| astrosilicate (LD01) | 1/3 | 20% | 6.14 × 10−3 | MgFeSiO4 | 35.9 | 0.42 | –3.19 | 0.110 | 0.34 | 0.86 | |
| C | PAH | … | … | 6.98 × 10−4 | C | 58 | … | … | … | … | … |
| a-C | 1/3 | … | 1.56 × 10−3 | C | 130 | 0.26 | –4.48 | 0.123 | 0.56 | 1.0 | |
| astrosilicate (WD01) | 1/3 | 20% | 5.10 × 10−3 | MgFeSiO4 | 29.7 | 0.34 | –3.07 | 0.123 | 0.56 | 1.0 | |
| D | PAH | … | … | 7.24 × 10−4 | C | 60 | … | … | … | … | … |
| a-C | 1/3 | … | 1.22 × 10−3 | C | 102 | 1.54 | –4.67 | 0.089 | 0.27 | 0.67 | |
| composite astrosilicate/a-C | 1/2.5 | 0% | 6.20 × 10−3 | MgFeSiO4 | 33.9 | 0.29 | –3.08 | 0.089 | 0.27 | 0.67 | |
| (6% of a-C in volume) | C | 16.0 | |||||||||
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