Open Access
Table 2
Selection criteria, number of spectra and their average size, and final wavelength grid for Eros and Itokawa spectra.
| Parameter | Min | Max |
|---|---|---|
| Eros | ||
| Phase angle (deg) | 0 | 40 |
| Incidence angle (deg) | 0 | 60 |
| Emission angle (deg) | 0 | 60 |
| Observed area (deg2) | 0 | 750 |
| Mean(Rraw) | 0.01 | – |
| #Rraw | 1685 | |
| #R | 15353 | |
 |
199 ± 111 | |
| Wavelength grid (nm) | 820 | 2360 |
| Wavelength spacing (nm) | 20 | |
| Normalised at (nm) | 1300 | |
| Itokawa | ||
| Phase angle (deg) | 0 | 30 |
| Incidence angle (deg) | 0 | 50 |
| Emission angle (deg) | 0 | 50 |
| Distance from the surface (km) | 0 | 5 |
| Mean(Rraw) | 0.01 | – |
| #Rraw | 8358 | |
| #R | 18 695 | |
 |
6.0 ± 5.2 | |
| Wavelength grid (nm) | 820 | 2080 |
| Wavelength spacing (nm) | 20 | |
| Normalised at (nm) | 1500 | |
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