Table 1
Comparisons of fitting parameters of the Hapke model and the Lumme-Bowell model for CE-3 and CE-4 data.
| Parameter | CE-3 | CE-4 | ||
|---|---|---|---|---|
| Hapke | Lumme-Bowell | Hapke | Lumme-Bowell | |
| SSALB |  |
0.22 ± 0.01 | 0.11 ± 0.28 | 0.080 ± 0.017 |
| Filling factor (ϕ) |  |
0.17 ± 0.11 | 0.061 ± 0.180 | 0.0095 ± 0.0112 |
| BS0 |  |
N/A | 0.28 ± 0.16 | N/A |
| hS | 0.059 ± 0.01 | N/A | 0.023 ± 0.013 | N/A |
| Asymmetry parameter (ζ) | − 0.024 ± 0.031 | − 0.19 ± 0.01 | 0.074 ± 0.023 | − 0.13 ± 0.09 |
| Slope angle (θ) |  |
 |
30.0° ± 4.5° |  |
Notes. The Hapke model results for CE-3 are from Jin et al. (2015), and the rest are from this work. The filling factor ϕ in the Hapke model for CE-4 was calculated using Eq. (12), and its uncertainty was estimated by using the error propagation equation.
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