VIS reflectance spectra collected during electron irradiation experiments of ice particles (spherical, 67 µm average diameter) intimately mixed with NaCl particles (sieved to less than 100 µm) | BYPASS

Experiment

Title: VIS reflectance spectra collected during electron irradiation experiments of ice particles (spherical, 67 µm average diameter) intimately mixed with NaCl particles (sieved to less than 100 µm)

DOI

10.26302/SSHADE/EXPERIMENT_RC_20200616_000

Data reference

Cerubini, Romain (2020): VIS reflectance spectra collected during electron irradiation experiments of ice particles (spherical, 67 µm average diameter) intimately mixed with NaCl particles (sieved to less than 100 µm). SSHADE/BYPASS (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_RC_20200616_000

Publications

Cerubini et al., 2022, Icarus, 379, 114977

Comments

This experiment corresponds directly to Fig. 4 in the article.

Owner

Database(s)

BYPASS

Experimentalists

Romain Cerubini

Spectra preview

Experiment type

Type(s): laboratory measurement
Description: Spherical ice particles are produced by spraying droplets of water into liquid nitrogen with the SPIPA-B setup. These ice particles are then intimately mixed with NaCl particles (sieved to less than 100 µm) in different concentrations and 9mm-thick samples are produced from the mixtures. The samples are then introduced into the MEFISTO chamber, placed on a liquid nitrogen cooling plate, and the chamber is evacuated to high vacuum. The samples can then be bombarded with energetic electrons at different energies and fluxes and VIS hyperspectral images are collected. Fib. 4 in Cerubini et al. (2022).
Number of spectra: 6

Variable parameters

Variable type(s)

sample composition
irradiation energy
irradiation dose

Location

Laboratory: Space Research & Planetary Sciences Division of the University of Bern (WP Unibe)

Instrument #1

Instrument: MoHIS - Hyperspectral imaging system Vis-NIR

Spectral parameters

Standard medium

vacuum

Observation mode

spectrum

Spectral range type(s)

Vis

Valid spectral range(s)

	Min - Max ( $nm$ )	Sampling ( $nm$ )	Resolution ( $nm$ )	Position accuracy ( $nm$ )	Absorption edge
#1	410.0 - 890.0	15.0	6.5

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: biconical
Observation mode: fixed angles
Incidence angle: 5.0°
Emergence angle: 0.0°
Azimuth angle: 0.0°
Phase angle: 5.0°

Spatial parameters

Observation mode: roi averaged

History

Date begin - end: 2020-06-16 - 2020-06-16

Versions

Release date: 2023-07-31 13:23:56+0000 UTC
Version (Date): #1 (2023-07-31 13:23:56+0000 UTC, Updated: 2023-07-31 13:23:56+0000 UTC)

Image

Effects of electron irradiation on intimate mixtures of spherical ice particles and NaCl.