Vis-NIR reflectance spectra of a mix of three PAHs, PAHs mixed with CO2 snow and PAHs mixed with JSC Mars-1 simulant | CSS

Experiment

Title: Vis-NIR reflectance spectra of a mix of three PAHs, PAHs mixed with CO2 snow and PAHs mixed with JSC Mars-1 simulant

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

Campbell et al., 2021, J. Geophys. Res. E, 126, 2020JE006595

Owner

Database(s)

CSS

Experimentalists

Spectra preview

Experiment type

Type(s): laboratory measurement
Description: Vis-NIR reflectance spectra of a series of samples with a mix of 3 PAHs (Anthracene, Phenanthrene-d10 and Pyrene), JSC Mars-1 dust, PAHs mixed with CO2 snow with different abundances (0.1%, 0.54%, 0.67%) and 1.5% PAHs mixed with JSC Mars-1 dust
Number of spectra: 21

Variable parameters

Variable type(s)

sample composition
sample abundance
time

Comments

abundance is varied only for experiments with PAHs mixed in CO2 snow

Location

Laboratory: Institut de Planétologie et Astrophysique de Grenoble (IPAG)

Instrument #1

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)

Spectral parameters

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 ( ${\mu}m$ )
#1	0.4 - 0.7	0.02	0.0047	0.0005
#2	0.7 - 1.6	0.02	0.0095	0.001
#3	1.6 - 3.0	0.02	0.0191	0.002
#4	3.0 - 3.9	0.02	0.0388	0.004

Comments

using 1.5mm slit

Angular parameters

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°

Polarization parameters

Illumination

Observation

Comments: polarization varying between gratings

Spatial parameters

Observation mode: single spot
Spatial resolution: 20.0 $mm$

History

Date begin - end: 2017-10-03 - 2017-10-20

Versions

Release date: 2021-05-25 12:01:01+0000 UTC
Version (Date): #1 (2021-05-25 12:01:01+0000 UTC, Updated: 2021-05-26 12:40:14+0000 UTC)