Spectrum

Vis-NIR reflectance spectrum (i = 0°, e = 20°) of the bottom side of Ryugu individual particle C0052 (Chamber C, Hayabusa2 JAXA mission) placed in a cell under N2 atmosphere

Title
Vis-NIR reflectance spectrum (i = 0°, e = 20°) of the bottom side of Ryugu individual particle C0052 (Chamber C, Hayabusa2 JAXA mission) placed in a cell under N2 atmosphere
DOI
10.26302/SSHADE/EXPERIMENT_LB_20241122_001
Data reference
Beck, Pierre; Poch, Olivier (2022): Vis-NIR reflectance spectra (i = 0°, e = 20°) of Chamber C Ryugu individual raw particles C0050 and C0052 (Hayabusa2 mission, JAXA) placed in a cell under N2 atmosphere. SSHADE/GhoSST (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_LB_20241122_001
Publications
Database
Experimentalists
Experiment type
laboratory measurement
Type
reflectance factor
Instrument
SHADOWS Spectro-Gonio bidirectional reflection Vis-NIR
Standard medium
vacuum
Observation mode
spectrum
Spectral range type(s)
Vis, NIR
Valid spectral range(s)
Min - Max ($nm$) Sampling ($nm$) Resolution ($nm$) Position accuracy ($nm$) Absorption edge
#1 1000.0 - 1580.0 20.0 10.0
#2 1600.0 - 2820.0 20.0 20.0
#3 2840.0 - 4200.0 20.0 41.0
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
5.8°
Resolution observation
4.1°
Illumination
Observation
Comments
partial polarization variable with wavelength (from monochromator grating)
Observation mode
single spot
Comments
samples were illuminated with a monochromatic beam <= 1.7 mm in diameter
Experiment
Vis-NIR reflectance spectra (i = 0°, e = 20°) of Chamber C Ryugu individual raw particles C0050 and C0052 (Hayabusa2 mission, JAXA) placed in a cell under N2 atmosphere
Date begin
2024-09-01
Release date
2025-06-19 15:18:43+0000 UTC
Version (Date)
#1 (2025-06-19 15:18:43+0000 UTC, Updated: 2025-06-19 15:18:43+0000 UTC)
History
Date Mode Version Status Comments
2024-11-22 13:39:32+0000 UTC first import #1 valid version
Analysis
raw bidirectional reflectance spectrum calibrated: 1) with "Spectralon 99%" measured under same geometry using its absolute BRDF (500 - 1300 nm) and 2) with "Infragold" using its relative spectral reflectance (1320-3960 nm)
Quality flag
3