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Maturilli, Alessandro and Helbert, Jörn (2015) Planetary Emissivity Laboratory (PEL) measurements of directional emissivity. Hayabusa2 TIR‐MARA Radiometry & Thermo‐Physical Model Workshop, 2015-12-09, Sagamihara, Japan.
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Abstract
At PEL we set-up an experiment to measure the emissivity of two fine powdered (<25 µm) asteroid analogues: meteorite Millbillillie and a synthetic enstatite. Samples measured at surface temperature of 373K, with emerging angle (e) from 0° to 60°, with 5° or 10° step intervals. Two different FTIR Spectrometers used for emissivity measurements under purged air and under vacuum. Custom-designed wedges have been manufactured to tilt the samples at different emission angles. Samples had to be prepared to prevent powder to slipper from the sample cups (always happening for e>30°). Reflectance spectra of the samples was measured for comparison
| Item URL in elib: | https://elib.dlr.de/101743/ | ||||||||||||
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| Document Type: | Conference or Workshop Item (Speech) | ||||||||||||
| Title: | Planetary Emissivity Laboratory (PEL) measurements of directional emissivity | ||||||||||||
| Authors: |
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| Date: | December 2015 | ||||||||||||
| Refereed publication: | No | ||||||||||||
| Open Access: | No | ||||||||||||
| Gold Open Access: | No | ||||||||||||
| In SCOPUS: | No | ||||||||||||
| In ISI Web of Science: | No | ||||||||||||
| Status: | Published | ||||||||||||
| Keywords: | PEL, emissivity, emerging angle | ||||||||||||
| Event Title: | Hayabusa2 TIR‐MARA Radiometry & Thermo‐Physical Model Workshop | ||||||||||||
| Event Location: | Sagamihara, Japan | ||||||||||||
| Event Type: | Workshop | ||||||||||||
| Event Date: | 9 December 2015 | ||||||||||||
| Organizer: | JAXA | ||||||||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||||||||
| HGF - Program: | Space | ||||||||||||
| HGF - Program Themes: | Space Exploration | ||||||||||||
| DLR - Research area: | Raumfahrt | ||||||||||||
| DLR - Program: | R EW - Space Exploration | ||||||||||||
| DLR - Research theme (Project): | R - Project MASCOT (old) | ||||||||||||
| Location: | Berlin-Adlershof | ||||||||||||
| Institutes and Institutions: | Institute of Planetary Research > Experimentelle Planetenphysik | ||||||||||||
| Deposited By: | Maturilli, Dr. Alessandro | ||||||||||||
| Deposited On: | 06 Jan 2016 15:04 | ||||||||||||
| Last Modified: | 24 Apr 2024 20:07 |
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