- Title
- NIR reflectance spectrum (i=0°, e=30°) of bulk CM, CR, CI and ungrouped chondrites under vacuum at room temperature before and after a heating cycle
- DOI
- 10.26302/SSHADE/EXPERIMENT_LB_20191216_001
- Data reference
- Potin, Sandra; Beck, Pierre (2019): NIR reflectance spectrum (i=0°, e=30°) of bulk CM, CR, CI and ungrouped chondrites under vacuum at room temperature before and after a heating cycle. SSHADE/GhoSST (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_LB_20191216_001
- Publications
- Database(s)
- Experimentalists
- Type(s)
- laboratory measurement
- Description
- NIR reflectance spectra (i = 0°, e=30°) of bulk CM, CR, CI and ungrouped chondrites (ALH83100, MET01070, Murchison, QUE97990, DOM08003, ALH84033, MAC88100, EET96029, MIL07700, WIS91600, Orgueil, GRO95577, Tagish Lake) under vacuum at room temperature before and after heating cycle
- Number of spectra
- 26
- Variable type(s)
-
- sample composition
- temperature
- Instrument
- SHADOWS Spectro-Gonio bidirectional reflection Vis-NIR
- Sample holder
- open sample holder (7mm diameter, 1 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 #1 380.0 - 660.0 20.0 4.8 #2 680.0 - 1480.0 20.0 9.5 #3 1500.0 - 2980.0 20.0 19.0 #4 3000.0 - 4180.0 20.0 38.6 - Comments
- Measured over the 340-4200nm 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
- 2019-07-01
Versions
- Release date
- 2020-05-12 07:59:38 UTC+0000
- Version (Date)
- #1 (2020-05-12 07:59:38 UTC+0000, Updated: 2020-05-12 07:59:38 UTC+0000)