Experiment
Title
Bidirectional Vis-NIR reflectance spectra at 3 phase angles (i=0°, e=10°, 20°, 30°) of 72 powders of bulk meteorites (CI, CM, CO, CR, CV, OC, EL, R, HED, mesosiderites)
DOI
10.26302/SSHADE/EXPERIMENT_LB_20200902_001
Data reference
Beck, Pierre (2019): Bidirectional Vis-NIR reflectance spectra at 3 phase angles (i=0°, e=10°, 20°, 30°) of 72 powders of bulk meteorites (CI, CM, CO, CR, CV, OC, EL, R, HED, mesosiderites). SSHADE/GhoSST (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_LB_20200902_001
Publications
Database(s)
Experimentalists
Type(s)
laboratory measurement
Description
Bidirectional Vis-NIR reflectance spectra [400 - 2500 nm, sampling 100 nm] at 3 phase angles (i=0°, e=10°, 20°, 30°) of 72 bulk powdered meteorites (CI, CM, CO, CR, CV, OC, EL, R, HED, mesosiderites)
Number of spectra
60
Variable type(s)
  • sample composition
Instrument
SHADOWS Spectro-Gonio bidirectional reflection Vis-NIR
Sample holder
open sample holder (13 mm 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
#1 400.0 - 600.0 100.0 4.0 0.5
#2 700.0 - 1400.0 100.0 8.0 1.0
#3 1500.0 - 2600.0 100.0 16.0 2.0
Observation geometry
bidirectional
Observation mode
one variable angle
Resolution illumination
5.8°
Resolution observation
1.8°
Comments
a diaphragm of 20mm is used in front of the detectors to reduce the angular resolution to $\pm 0.8°$
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 - end
2019-02-04 - 2019-02-15

Versions

Release date
2020-09-04 07:53:41 UTC+0000
Version (Date)
#1 (2020-09-03 14:56:16 UTC+0000, Updated: 2020-09-17 13:10:48 UTC+0000)
Sponsors
  • European Commission - Horizon 2020 (EC-H2020) (ERC grant agreement no. 771691 (Solarys))