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Home All issues Volume 631 (November 2019) A&A, 631 (2019) A88 Full HTML
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Table A.1

Mass absorption coefficient κ for grains made of a-Sil at λ = 250 and 500 μm, and 0.87, 1.3, 1.9, and 2.8 mm.

Dust composition: a-Sil
Size distribution Mass absorption coefficient κλ (cm2 g−1)
Log-normal a0 κ250 μm κ500 μm κ0.87 mm κ1.3 mm κ1.9 mm κ2.8 mm
0.1 μm 5.33 1.33 0.43 0.19 0.09 0.04
1 μm 5.39 1.33 0.43 0.19 0.09 0.04
10 μm 21.34 2.37 0.51 0.20 0.10 0.04
50 μm 41.01 12.48 3.19 0.85 0.26 0.07
100 μm 23.59 12.22 4.88 1.82 0.69 0.17
500 μm 3.78 3.69 2.73 1.91 1.14 0.57
1 mm 1.72 1.80 1.57 1.26 0.85 0.53
5 mm 0.30 0.31 0.32 0.31 0.28 0.22
1 cm 0.15 0.15 0.16 0.16 0.15 0.13
Power-law p κ250 μm κ500 μm κ0.87 mm κ1.3 mm κ1.9 mm κ2.8 mm
−4 5.33 1.33 0.43 0.19 0.09 0.04
−3.5 5.33 1.33 0.43 0.19 0.09 0.04
−3 5.35 1.33 0.43 0.19 0.09 0.04
−2.5 5.95 1.46 0.47 0.21 0.10 0.04
−2 9.50 2.87 1.13 0.56 0.30 0.15
Power-law amax κ250 μm κ500 μm κ0.87 mm κ1.3 mm κ1.9 mm κ2.8 mm
0.1 μm 8.24 2.14 0.73 0.33 0.16 0.07
1 μm 6.30 1.55 0.50 0.22 0.11 0.05
10 μm 5.57 1.37 0.45 0.20 0.10 0.04
100 μm 5.38 1.34 0.44 0.19 0.09 0.04
100 μm 5.34 1.33 0.43 0.19 0.09 0.04
1 mm 5.33 1.33 0.43 0.19 0.09 0.04
1 cm 5.33 1.33 0.43 0.19 0.09 0.04

Notes. The values are given in the cases of: (i) a log-normal size distribution with a0 = 0.1, 1, 10, 50, 100, and 500 μm, 1 and 5 mm, and 1 cm for 0.01 μm ≤ a ≤ 10 cm; (ii) a power-law size distribution with p =−4, −3.5, −3, −2.5, and −2 for 0.01 μm ≤ a ≤ 10 cm; (iii) a power-law size distribution with p =−3.5 for 0.01 μm ≤ a ≤ amax where amax = 0.1, 1, 10 and 100 μm, 1 mm, and 1 cm.

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