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Fig. 1


Dust opacity (per gram of dust) for amax = 0.8, 1, 3 mm, and 1 cm, computed for the midplane population of grains assuming the composition of 5.4% astronomical silicates, 20.6% carbonaceous material, 44% water ice, and 30% vacuum and a size distribution n(a) ∝ aq for amin<a<amax with q = 3.0 and amin = 10 nm.

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