Vis-NIR reflectance spectrum of Nontronite NAu-1 with 0-36 µm grain size, less than 1 mm thick layer, at 333 K
- Title
- Vis-NIR reflectance spectrum of Nontronite NAu-1 with 0-36 µm grain size, less than 1 mm thick layer, at 333 K
- DOI
- 10.26302/SSHADE/EXPERIMENT_OP_20200701_001
- Data reference
- Schroeder, Stefan; Poch, Olivier; Ferrari, Marco; DeAngelis, Simone (2019): Vis-NIR reflectance spectra of Nontronite NAu-1, pure, mixed with Water ice, during and after ice sublimation. SSHADE/CSS (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_OP_20200701_001
- Publications
- Database
- Experimentalists
- Experiment type
- laboratory measurement
- Type
- reflectance factor
- Instrument
- SHADOWS Spectro-Gonio bidirectional reflection Vis-NIR
- Sample holder
- Sample holder coated with black aluminum tape, in MIRAGE vacuum chamber closed with a sapphire window.
- 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 #1 500.0 - 660.0 20.0 3.2 #2 680.0 - 1380.0 20.0 6.3 #3 1400.0 - 2980.0 20.0 13.0 #4 3000.0 - 4180.0 20.0 26.0 - Filters
-
Type Center/Edge ($nm$) Width ($nm$) Place #1 long-pass filters of the spectro-gonio radiometer
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 observation
- 4.1°
Illumination
Observation
- Comments
- partial polarization variable with wavelength (from monochromator grating)
- Observation mode
- single spot
- Resolutions
- 5.2 $mm$
- Experiment
- Vis-NIR reflectance spectra of Nontronite NAu-1, pure, mixed with Water ice, during and after ice sublimation
- Date begin
- 2019-04-25
- Release date
- 2020-11-02 13:13:35 UTC+0000
- Version (Date)
- #1 (2020-11-02 13:13:35 UTC+0000, Updated: 2020-11-02 13:49:29 UTC+0000)
- History
-
Date Mode Version Status Comments 2020-07-01 20:32:14 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 (0.50-2.10µm) and 2) with "Infragold" using its relative spectral reflectance (2.10-4.18µm)
- Quality flag
- 4
- Validator(s)
