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Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12386/31681
Title: Temporal evolution of the permanent shadowed regions at Mercury poles: applications for spectral detection of ices by SIMBIOSYS-VIHI on BepiColombo mission
Authors: FILACCHIONE, GIANRICO 
FRIGERI, ALESSANDRO 
RAPONI, Andrea
CIARNIELLO, Mauro
CAPACCIONI, FABRIZIO
DE SANCTIS, MARIA CRISTINA 
CARLI, CRISTIAN 
GALLUZZI, VALENTINA 
CREMONESE, Gabriele
LUCCHETTI, ALICE 
RE, Cristina
MASSIRONI, MATTEO
Issue Date: 2020
Journal: MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 
Number: 498
Issue: 1
First Page: 1308
Abstract: Radar observations from the Earth and multi-instrument measurements by MESSENGER mission have indicated the presence of large quantities of ices within the permanent shadowed regions (PSRs) located at Mercury poles. The detection and mapping of the distribution of volatile species on PSRs are among the primary scientific goals of the Spectrometer and IMagers for MPO Bepicolombo Integrated Observatory SYStem (SIMBIO-SYS) suite aboard ESA's BepiColombo mission. We report about a three-steps preparatory study mainly focusing on SIMBIO-SYS/Visible and near Infrared Hyperspectral Imager (VIHI) 0.4-2.0 μm imaging spectrometer aiming (1) to render the solar illumination temporal evolution occurring on polar regions and in particular on Prokofiev and Kandinsky craters by studying the effects of shadows and penumbras caused by the finite apparent solar disc; (2) to simulate the spectral reflectance of various mixtures of average Mercury terrain and water ice in the spectral range of the VIHI imaging spectrometer channel in direct illumination, penumbra and shadowed illumination conditions; and (3) to verify the resulting VIHI signal-to-noise ratio during the different phases of the BepiColombo mission.
URI: http://hdl.handle.net/20.500.12386/31681
URL: https://academic.oup.com/mnras/article/498/1/1308/5897373
ISSN: 0035-8711
DOI: 10.1093/mnras/staa2379
Bibcode ADS: 2020MNRAS.498.1308F
Fulltext: open
Appears in Collections:1.01 Articoli in rivista

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