Table A.2
Absorption cross section divided by the volume of the core Cabs/Vcore normalized to Cabs/Vcore of a single core-mantle grain (upper) or core of astronomical silicate (lower).
| b) | d) | f) | |
| CM Sphere | Not con. CM spheres | Con. CM sphere | Mantle mat. |
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| 1.0 | 1.20 | 1.33 | am. carbon |
| 1.0 | 1.13 | 1.17 | water ice |
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| a) | c) | e) | |
| Sphere | Not con. spheres | Con. sphere | |
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 |
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| 1.0 | 1.20 | 1.36 | bare cores |
Notes. The mantle materials are amorphous carbon and water ice. We also show the results for pure astronomical-silicate grains. The radius of the single core-mantle grain is 0.113 μm and the volume-equivalent radius of an aggregate consisting of core-mantle monomers is 0.143 μm. In the case of pure astronomical-silicate grains, a single grain is 0.1 μm in radius while the volume-equivalent radius of the aggregate is 0.126 μm.
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