Spectrum

Vis-NIR reflectance spectra (i = 0°, e = 30°) of a dark area of a raw chip of the so-called OM Orgueil CI chondrite under ambient conditions

Title
Vis-NIR reflectance spectra (i = 0°, e = 30°) of a dark area of a raw chip of the so-called OM Orgueil CI chondrite under ambient conditions
DOI
10.26302/SSHADE/EXPERIMENT_LB_20231006_001
Data reference
Soussaintjean, Lison; Laize-Générat, Lucie; Poch, Olivier (2021): Vis-NIR reflectance spectra (i = 0°, e = 30°) of three raw chips of the Orgueil CI chondrite under ambient conditions. SSHADE/GhoSST (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_LB_20231006_001
Publications
Experiment type
laboratory measurement
Type
reflectance factor
Instrument
SHADOWS Spectro-Gonio bidirectional reflection Vis-NIR
Sample holder
raw chips were directly placed on Aluminum foil
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 5.0
#2 680.0 - 1580.0 20.0 10.0
#3 1600.0 - 2820.0 20.0 20.0
#4 2840.0 - 4200.0 20.0 41.0
Scan number
1
Comments
Measured over the 380-4200 nm range, but used over the 500 - 3960 nm range
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 reflectance spectra (i = 0°, e = 30°) of three raw chips of the Orgueil CI chondrite under ambient conditions
Date begin
2021-02-09
Release date
2023-10-09 08:18:31 UTC+0000
Version (Date)
#1 (2023-10-09 08:18:31 UTC+0000, Updated: 2023-10-12 08:25:19 UTC+0000)
History
Date Mode Version Status Comments
2023-10-06 13:01:05 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
3
Validator(s)