Surface properties of Dione’s trailing hemisphere - Roughness and grain size from Cassini/CIRS data

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Table 3

Nomenclature of models’ factors and assumptions.

Factors	M_o	M_iH	M_H	M_q	Range
Temperature T	T_o	T_iH	T_H	T_q	any
Grain size a	a_o	a_iH	a_H	a_q	1 μm–5 cm
Asymmetry factor ξ	ξ_o	0	ξ_H	ξ_q	[−0.9, 0.9]
Roughness $\bar{θ}$ $Mathematical equation: $\[\bar{\theta}\]$$	0	${\bar{θ}}_{i H}$ $Mathematical equation: $\[\bar{\theta}_{i H}\]$$	${\bar{θ}}_{H}$ $Mathematical equation: $\[\bar{\theta}_{H}\]$$	✓	[1, 60]°

Notes. ${\bar{θ}}_{H}$ $Mathematical equation: $\[\bar{\theta}_{H}\]$$ and ${\bar{θ}}_{i H}$ $Mathematical equation: $\[\bar{\theta}_{i H}\]$$ correspond to the macroscopic roughness of the shadowing function by Hapke (1984). Roughness is taken into account in model M_q but not inferred.

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