Spectrum

Vis-NIR reflectance spectrum of H2O ice grains (~1060 µm, irregular) at 100 K

Title
Vis-NIR reflectance spectrum of H2O ice grains (~1060 µm, irregular) at 100 K
DOI
10.26302/SSHADE/EXPERIMENT_OP_20201223_001
Data reference
Stephan, Katrin; Ciarniello, Mauro; Poch, Olivier; Haack, David; Raponi, Andrea (2019): Vis-NIR reflectance spectra of H2O ice with varying grain sizes (70-1060µm), shapes (spherical or irregular) and three mixtures, from 70 to 220 K. SSHADE/CSS (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_OP_20201223_001
Publications
Experiment type
laboratory measurement
Type
reflectance factor
Instrument
SHINE Spectro-Gonio bidirectional reflection Vis-NIR
Sample holder
Aluminum sample holder, closed by a sapphire window and cooled by a He cryostat in a vacuum chamber (Carbo-NIR)
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 - 650.0 50.0 3.0
#2 700.0 - 1000.0 50.0 6.0
#3 1010.0 - 1400.0 10.0 6.0
#4 1400.0 - 2990.0 10.0 13.0
#5 3000.0 - 3600.0 10.0 26.0
#6 3650.0 - 4200.0 50.0 26.0
Filters
Type Center/Edge ($nm$) Width ($nm$) Place
#1 long-pass filters of the spectro-gonio radiometer
Scan number
1
Observation geometry
bidirectional
Observation mode
fixed angles
Incidence angle
0.0°
Emergence angle
30.0°
Azimuth angle
0.0°
Phase angle
30.0°
Resolution observation
4.1°
Comments
The spectro-radio-goniometer SHINE was used in normal mode.
Illumination
Observation
Comments
partial polarization variable with wavelength (from monochromator grating)
Observation mode
single spot
Resolutions
200.0 $mm$
Experiment
Vis-NIR reflectance spectra of H2O ice with varying grain sizes (70-1060µm), shapes (spherical or irregular) and three mixtures, from 70 to 220 K
Date begin
2019-03-22
Release date
2021-11-26 18:12:38 UTC+0000
Version (Date)
#1 (2021-11-26 18:12:38 UTC+0000, Updated: 2021-11-26 18:12:38 UTC+0000)
History
Date Mode Version Status Comments
2021-11-26 14:11:03 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 (0.40-1.10µm) and 2) with "Infragold" using its relative spectral reflectance (1.10-4.20 µm)
Quality flag
4
Validator(s)