- Title
- NIR reflectance spectrum (i=0°, e=30°) of raw pieces, powdered samples and polished sections of ungrouped carbonaceous chondrites under ambient pressure and temperature
- DOI
- 10.26302/SSHADE/EXPERIMENT_LB_20210201_001
- Data reference
- Krämer Ruggiu, Lisa; Beck, Pierre; Eschrig, Jolantha (2020): NIR reflectance spectrum (i=0°, e=30°) of raw pieces, powdered samples and polished sections of ungrouped carbonaceous chondrites under ambient pressure and temperature. SSHADE/GhoSST (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_LB_20210201_001
- Publications
- Database(s)
- Experimentalists
- Type(s)
- laboratory measurement
- Description
- NIR reflectance spectrum (i=0°, e=30°) of raw pieces, powdered samples and polished sections of NWA 12957, Chwichiya 002, NWA 11750, NWA 11086, Aydar 003, NWA 5958,El Medano 100, El Medano 200, Acfer 094, Dhofar 2066, Kakangari, Los Vientos 200, NWA 8781, NWA 12472, NWA 12474, Sierra Gorda 009, Awsserd, Los Vientos 051, NWA 12334, NWA 12480, Coolidge and Jiddat Al Harasis 846 under ambient pressure and temperature
- Number of spectra
- 60
- Variable type(s)
-
- sample composition
- sample size
- Comments
- raw pieces, powders and polished sections
- Instrument
- SHADOWS Spectro-Gonio bidirectional reflection Vis-NIR
- Sample holder
- open sample holder (13mm diameter, 2 mm deep) in anodized aluminum (not blackened)
- 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 #1 360.0 - 600.0 100.0 4.0 0.5 #2 700.0 - 1400.0 100.0 8.0 1.0 #3 1500.0 - 2400.0 100.0 16.0 2.0 - Comments
- Measured over the 360-2400 nm range
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
- 2.9°
- Resolution observation
- 2.05°
Illumination
Observation
- Comments
- partial polarization variable with wavelength (from monochromator grating)
- Observation mode
- single spot
- Image size
- 5.2 x 5.2 $mm$
- Date begin
- 2020-01-01
Versions
- Release date
- 2021-02-09 07:16:30+0000 UTC
- Version (Date)
- #1 (2021-02-09 07:16:30+0000 UTC, Updated: 2022-12-28 14:11:33+0000 UTC)