Single scattering albedo spectrum of 95%-N2:5%-CH4:500ppm-CO tholins derived from BRDF measurements
- Title
- Single scattering albedo spectrum of 95%-N2:5%-CH4:500ppm-CO tholins derived from BRDF measurements
- DOI
- 10.26302/SSHADE/EXPERIMENT_BS_20201201_001
- Data reference
- Fayolle, Marie; Quirico, Eric; Potin, Sandra (2018): Bidirectional Vis-NIR reflectance spectra of two tholins samples (+ mixtures with pyrrhotite) at various illumination-observation geometries (i=0°,30°,60° - e= -70° to 70°) and their extracted single scattering albedo and optical constants spectra. SSHADE/GhoSST (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_BS_20201201_001
- Publications
- Database
- Experimentalists
- Experiment type
- laboratory measurement
- Type
- single scattering albedo
- Intensity unit
- no unit
- Model parameters
- see 'analysis'
- Instrument
- SHADOWS Spectro-Gonio bidirectional reflection Vis-NIR
- Sample holder
- open sample holder (12 mm diameter, 6 mm deep) in anodized aluminum
- Standard medium
- vacuum
- Observation mode
- spectrum
- Spectral range type(s)
- Vis, NIR
- Valid spectral range(s)
-
Min - Max (${\mu}m$) Sampling (${\mu}m$) Resolution (${\mu}m$) Position accuracy (${\mu}m$) Absorption edge #1 0.5 - 0.66 0.02 0.048 0.0005 #2 0.68 - 1.42 0.02 0.096 0.001 #3 1.44 - 2.5 0.02 0.192 0.002 - Scan number
- 10
- Comments
- a set of high pass filters at the monochromator output to filter the higher orders
- Observation geometry
- N/A
- Observation mode
- N/A
- Comments
- angular resolution is full width
Illumination
Observation
- Comments
- partial polarization variable with wavelength (from monochromator grating)
- Observation mode
- single spot
- Image size
- 5.2 x 5.2 $mm$
- Experiment
- Bidirectional Vis-NIR reflectance spectra of two tholins samples (+ mixtures with pyrrhotite) at various illumination-observation geometries (i=0°,30°,60° - e= -70° to 70°) and their extracted single scattering albedo and optical constants spectra
- Parent spectrum
- Date begin
- 2018-08-18
- Release date
- 2021-06-02 08:37:16 UTC+0000
- Version (Date)
- #1 (2021-06-02 08:37:16 UTC+0000, Updated: 2021-06-02 08:37:16 UTC+0000)
- History
-
Date Mode Version Status Comments 2020-12-31 20:33:56 UTC+0000 first import #1 valid version
- Analysis
- extraction of single scattering albedo by inverting Hapke's model on the BRDF mesurements, together with phase fuction P(g), assuming: porosity parameter K = 1, macroscopic roughness = 0, no opposition effect, phase function independent of wavelength
- Quality flag
- 3
- Validator(s)