- Title
- NIR reflectance spectra of two mixtures of CO2 snow and H2O ice (0.1%, 1.5%) submitted to slow sublimation under illumination
- DOI
- 10.26302/SSHADE/EXPERIMENT_BS_20191226_001
- Data reference
- Philippe, Sylvain; Schmitt, Bernard; Beck, Pierre; Brissaud, Olivier (2014): NIR reflectance spectra of two mixtures of CO2 snow and H2O ice (0.1%, 1.5%) submitted to slow sublimation under illumination. SSHADE/GhoSST (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_BS_20191226_001
- Publications
- Database(s)
- Experimentalists
- Type(s)
- laboratory measurement
- Description
- NIR reflectance spectra of two $CO_2$ snow samples with different abundances of $H_2O$ ice (0.1wt%, 1.5wt%) deposited over a layer of volcanic tuff, and submitted to progressive sublimation under illumination
- Number of spectra
- 49
- Variable type(s)
-
- sample abundance
- time
- Instrument
- SHINE Spectro-Gonio bidirectional reflection Vis-NIR
- Sample holder
- P-T controled copper cylindrical cell closed by sapphire windows and cooled by helium cryocooler (CarboN-IR environmental cell)
- Standard medium
- vacuum
- Observation mode
- spectrum
- Spectral range type(s)
- NIR
- Valid spectral range(s)
-
Min - Max (${\mu}m$) Sampling (${\mu}m$) Resolution (${\mu}m$) Position accuracy (${\mu}m$) Absorption edge #1 1.0 - 1.59 0.01 0.0095 0.001 #2 1.6 - 2.99 0.01 0.0191 0.002 #3 3.0 - 3.99 0.01 0.0388 0.004 - 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
- 15.0°
- Azimuth angle
- 0.0°
- Phase angle
- 15.0°
- Resolution illumination
- 0.1°
- Resolution observation
- 4.1°
Illumination
Observation
- Comments
- polarization varying between gratings
- Observation mode
- single spot
- Spatial resolution
- 20.0 $mm$
- Date begin - end
- 2014-04-27 - 2014-05-27
Versions
- Release date
- 2020-01-27 22:33:04 UTC+0000
- Version (Date)
- #2 (2020-01-27 22:33:04 UTC+0000, Updated: 2020-03-18 06:40:54 UTC+0000)
- Older version(s)
- Sponsors
-
- Programme National de Planétologie (PNP)
- Centre National d'Etudes Spatiales (CNES) (OMEGA/Mars Express)