Vis-NIR reflectance spectrum of 0.10% PAHs mixed with CO2 snow - t=0
- Title
- Vis-NIR reflectance spectrum of 0.10% PAHs mixed with CO2 snow - t=0
- DOI
- 10.26302/SSHADE/EXPERIMENT_BS_20181101_001
- Data reference
- Campbell, Jacqueline; Schmitt, Bernard; Beck, Pierre; Brissaud, Olivier (2017): Vis-NIR reflectance spectra of a mix of three PAHs, PAHs mixed with CO2 snow and PAHs mixed with JSC Mars-1 simulant. SSHADE/CSS (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_BS_20181101_001
- Publications
- Database
- Experimentalists
- Experiment type
- laboratory measurement
- Type
- reflectance factor
- Comments
- noisy below 0.7 µm (first grating)
- Instrument
- SHINE Spectro-Gonio bidirectional reflection Vis-NIR
- Sample holder
- Aluminum cylindrical cell (48 mm diameter, 20 mm deep) inside P-T controled copper cell closed by sapphire windows and cooled by helium cryocooler (CarboN-IR environmental cell)
- Standard medium
- vacuum
- Observation mode
- spectrum
- Spectral range type(s)
- Vis, NIR
- Valid spectral range(s)
-
Min - Max (μm) Sampling (μm) Resolution (μm) Position accuracy (μm) Absorption edge #1 0.7 - 1.6 0.02 0.0095 0.001 #2 1.6 - 3.0 0.02 0.0191 0.002 #3 3.0 - 3.6 0.02 0.0388 0.004 - Scan number
- 10
- Comments
- using 1.5mm slit
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
- 20.0°
- Azimuth angle
- 0.0°
- Phase angle
- 20.0°
- Resolution illumination
- 0.1°
- Resolution observation
- 4.1°
Illumination
Observation
- Comments
- polarization varying between gratings
- Observation mode
- single spot
- Resolutions
- 20.0 mm
- Name
- CO2 snow with 0.10% of a PAH mix
- Changes
- CO2 sublimation: sample thickness decreased from 18 to 15 mm during spectrum
- Comments
- already 2 mm CO2 sublimated at start of spectrum - possible increase of PAH concentration
- Experiment
- Vis-NIR reflectance spectra of a mix of three PAHs, PAHs mixed with CO2 snow and PAHs mixed with JSC Mars-1 simulant
- Date begin
- 2017-10-17 11:30:00
- Date end
- 2017-10-17 12:30:00
- Release date
- 2021-05-25 12:01:01+0000 UTC
- Version (Date)
- #1 (2021-05-25 12:01:01+0000 UTC, Updated: 2021-05-25 12:01:01+0000 UTC)
- History
-
Date Mode Version Status Comments 2018-11-13 17:56:51+0000 UTC first import #1 valid version 2017-10-17: first import
- Analysis
- raw bidirectional reflectance spectrum calibrated: 1) in the 0.4-2.5µm range with "Spectralon 99%" standard (LabSphere (c)) measured under same geometry using its absolute BRDF and 2) in the 2.5-3.6µm range with "Infragold" (LabSphere (c)) using its relative spectral reflectance
- Quality flag
- 4
- Validator(s)