- DOI
- 10.26302/SSHADE/EXPERIMENT_LB_20240830_002
- Data reference
- Wargnier, Antonin; Poch, Olivier; Beck, Pierre (2023): Vis-NIR BRDF of sublimation residues of Phobos regolith simulants OPPS and UTPS-TB. SSHADE/GhoSST (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_LB_20240830_002
- Publications
- Database(s)
- Experimentalists
- Type(s)
- laboratory measurement
- Description
- Vis-NIR (0.6-3.6 µm) reflectance spectra (i=0-30°, az=0°, and phase angles from -80° to +80°) acquired with the SHADOWS instrument of sublimation residues of Phobos regolith simulants Observatory of Paris Phobos Simulant (OPPS) and University of Tokyo Phobos Simulant, Tagish Lake based (UTPS-TB)
- Number of spectra
- 2
- Variable type(s)
-
- illumination-observation geometry
- sample composition
- Comments
- Spectra were measured at different phase angles from -80° to 130°, in the scattering plane, also called the principal plane
- Instrument
- SHADOWS Spectro-Gonio bidirectional reflection Vis-NIR
- Sample holder
- open rectangular sample holder (14 mm long, 7 mm wide, 1 mm deep) in anodized aluminum
- Standard medium
- air
- Observation mode
- spectrum
- Spectral range type(s)
- Vis, NIR
- Valid spectral range(s)
-
Min - Max () Sampling () Resolution () Position accuracy () Absorption edge #1 0.6 - 0.68 0.02 0.003 #2 0.7 - 1.58 0.02 0.006 #3 1.6 - 2.82 0.02 0.013 #4 2.84 - 3.6 0.02 0.026
Definition: incidence and emergence angles are positive with origin at nadir, and vary in same direction. Azimuth origin (increasing clockwise) is for i = e (opposition geometry).
- Observation geometry
- bidirectional
- Observation mode
- two variable angles
Illumination
Observation
- Comments
- partial polarization variable with wavelength (from monochromator grating)
- Observation mode
- single spot
- Image size
- 5.2 x 5.2
- Date begin
- 2023-09-07
Versions
- Release date
- 2024-09-05 15:28:25 UTC+0000
- Version (Date)
- #1 (2024-09-05 15:28:25 UTC+0000, Updated: 2024-09-05 15:28:25 UTC+0000)
- Sponsors
-
- Centre National d'Etudes Spatiales (CNES) (Scientific support of the MIRS instrument onboard the MMX mission)