Examples of absorption crosssection per unit mass used in this paper for amorphous olivine (0.1 μm–1 mm, p = −3.5) and amorphous carbon (0.1 μm–1 mm, p = −3.5) and PAHs and VSGs with sizes of 0.001 and 0.01 μm respectively. The halo consists of 100% carbon. For the disk components, we used a composition of 80% silicates and 20% amorphous carbon in the entire disk.
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