Vis-NIR reflectance spectra (i = 0°; e = 30°) of powdered ALH85003 (CO) chondrite at 140K
- Title
- Vis-NIR reflectance spectra (i = 0°; e = 30°) of powdered ALH85003 (CO) chondrite at 140K
- DOI
- 10.26302/SSHADE/EXPERIMENT_LB_20260630_001
- Data reference
- Caminiti, Emma; Beck, Pierre (2024): Near-infrared reflectance spectra at low temperature (70-280K) of powdered meteorites. SSHADE/GhoSST (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_LB_20260630_001
- Publications
- Database
- Experimentalists
- Experiment type
- laboratory measurement
- Type
- reflectance factor
- Intensity unit
- no unit
- Instrument
- SHINE Spectro-Gonio bidirectional reflection Vis-NIR
- Sample holder
- Cylindrical aluminum sample holder placed in the isothermal CarboN-IR cryogenic cell with two saphire windows.
- 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 #1 500.0 - 1600.0 10.0 7.55 1.0 #2 1610.0 - 2830.0 10.0 15.3 1.5 #3 2840.0 - 3200.0 10.0 31.0 3.0 #4 3220.0 - 4180.0 20.0 30.9 3.0 - Scan number
- 20
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 the 3 monochromator gratings used)
- Observation mode
- single spot
- Resolutions
- 7.5 $mm$
- Name
- powder of bulk ALH85003 CO chondrite Tamb
- Changes
- spectral shifts and modification of band width with cooling (see Caminiti et al., 2026)
- Experiment
- Near-infrared reflectance spectra at low temperature (70-280K) of powdered meteorites
- Date begin
- 2024-11-25
- Release date
- 2026-07-20 06:46:45+0000 UTC
- Version (Date)
- #1 (2026-07-20 06:46:45+0000 UTC, Updated: 2026-07-20 06:46:45+0000 UTC)
- History
-
Date Mode Version Status Comments 2026-07-02 19:34:35+0000 UTC first import #1 valid version
- Analysis
- Raw bidirectional reflectance spectrum calibrated: 1) with "Spectralon 99%" measured under same geometry using its absolute BRDF (Visible spectral range) and 2) with "Infragold" using its relative spectral reflectance (NIR spectral range).
- Quality flag
- 4
- Validator(s)