Vis-NIR reflectance spectrum (i = 0°, e = 30°) of a powdered sample of the Oued Chebeika CI chondrite recorded under vacuum
- Title
- Vis-NIR reflectance spectrum (i = 0°, e = 30°) of a powdered sample of the Oued Chebeika CI chondrite recorded under vacuum
- DOI
- 10.26302/SSHADE/EXPERIMENT_LB_20241211_001
- Data reference
- Bonal, Lydie; Beck, Pierre; Poch, Olivier (2024): Vis-NIR and Mid-IR reflectance spectra, Mid-IR transmission and Raman spectra of several preparations of the Oued Chebeika 002 meteorite (CI chondrite). SSHADE/GhoSST (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_LB_20241211_001
- Publications
- Database
- Experimentalists
- Experiment type
- laboratory measurement
- Type
- reflectance factor
- Standard medium
- vacuum
- Observation mode
- spectrum
- Spectral range type(s)
- Vis, NIR
- Valid spectral range(s)
-
Min - Max (nm) Sampling (nm) Resolution (nm) Position accuracy (nm) Absorption edge #1 1000.0 - 2600.0 50.0 9.5 #2 2600.0 - 2830.0 10.0 19.0 #3 2840.0 - 4200.0 10.0 39.0 - Comments
- spectra were recordred in the 500-4000 nm range but there are some issues with data below 550 nm
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
- fixed angles
- Incidence angle
- 0.0°
- Emergence angle
- 30.0°
- Azimuth angle
- 0.0°
- Phase angle
- 30.0°
- Resolution illumination
- 5.8°
- Resolution observation
- 4.1°
Illumination
Observation
- Comments
- partial polarization variable with wavelength (from monochromator grating)
- Observation mode
- single spot
- Comments
- samples were illuminated with a monochromatic beam <= 1.7 mm in diameter
- Experiment
- Vis-NIR and Mid-IR reflectance spectra, Mid-IR transmission and Raman spectra of several preparations of the Oued Chebeika 002 meteorite (CI chondrite)
- Date begin
- 2024-11-25
- Release date
- 2025-03-28 10:26:10 UTC+0000
- Version (Date)
- #1 (2025-03-28 10:26:10 UTC+0000, Updated: 2025-03-28 10:26:10 UTC+0000)
- History
-
Date Mode Version Status Comments 2025-01-08 13:30:19 UTC+0000 first import #1 valid version
- Analysis
- raw bidirectional reflectance spectrum calibrated: 1) with "Spectralon 99%" measured under same geometry using its absolute BRDF (500 - 1300 nm) and 2) with "Infragold" using its relative spectral reflectance (1320-3960 nm)
- Quality flag
- 4