NIR-MIR reflectance spectra (i = 0°, e = 30°) of powdered Phobos simulant SIM-NEP-3
- Title
- NIR-MIR reflectance spectra (i = 0°, e = 30°) of powdered Phobos simulant SIM-NEP-3
- DOI
- 10.26302/SSHADE/EXPERIMENT_OP_20240717_001
- Data reference
- Wargnier, Antonin; Poch, Olivier; Beck, Pierre (2022): NIR-MIR reflectance spectra (i=0°, e=30°, az=0°) of phyllosilicates and Phobos simulants (mixed silicates and coals). SSHADE/GhoSST (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_OP_20240717_001
- Publications
- Database
- Experimentalists
- Experiment type
- laboratory measurement
- Type
- reflectance factor
- Instrument
- Brucker Vertex 70 – transmission Mid-IR
- Sample holder
- Aluminum sample holder in a biconical reflectance kit A513/QA
- Standard medium
- air
- Observation mode
- spectrum
- Spectral range type(s)
- NIR, MIR
- Valid spectral range(s)
-
Min - Max (${\mu}m$) Sampling (${\mu}m$) Resolution (${\mu}m$) Position accuracy (${\mu}m$) Absorption edge #1 1.5 - 18.0
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
- biconical
- Observation mode
- fixed angles
- Incidence angle
- 0.0°
- Emergence angle
- 30.0°
- Azimuth angle
- 0.0°
- Phase angle
- 30.0°
- Resolution observation
- 5.0°
Illumination
Observation
- Comments
- some wavelength dependent polarization
- Observation mode
- single spot
- Resolutions
- 5.0 ${\pm}$ 1.0 $mm$
- Experiment
- NIR-MIR reflectance spectra (i=0°, e=30°, az=0°) of phyllosilicates and Phobos simulants (mixed silicates and coals)
- Date begin
- 2023-05-24
- Release date
- 2024-07-17 14:48:51 UTC+0000
- Version (Date)
- #1 (2024-07-17 14:48:51 UTC+0000, Updated: 2024-07-17 14:48:51 UTC+0000)
- History
-
Date Mode Version Status Comments 2024-07-17 14:05:06 UTC+0000 first import #1 valid version
- Analysis
- The spectrum was measured with a reflectance kit on a FTIR spectrometer, with 100 scans and a spectral resolution of 4 cm−1. The spectral reference was a measurement of the direct flux with i = 90° and e = 90°. After this spectral calibration, a photometric calibration was performed by scaling the reflectance to that of the same sample measured with the SHADOWS spectro-gonio-radiometer (EXPERIMENT_LB_20240713_001). To take into account the spectral variability induced by the sample surface preparation, we measured the reflectance spectrum for each sample three times, re-preparing each time the sample. The spectrum shown here is the average of these three spectra. Residual water vapor lines (between 1750-1400, 3900-3550, 5500-5200 cm-1) and CO2 vapor lines (around 630-700 and 2360-2300 cm-1) can be observed.
- Quality flag
- 3