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The temporal evolution of exposed water ice-rich areas on the surface of 67P/Churyumov-Gerasimenko: spectral analysis

Raponi, A. and Ciarniello, M. and Capaccioni, F. and Filacchione, G. and Tosi, F. and De Sanctis, M. C. and Capria, M. T. and Barucci, M. A. and Longobardo, A. and Palomba, E. and Kappel, D. and Arnold, G. and Mottola, S. and Rousseau, B. and Quirico, E. and Rinaldi, G. and Erard, S. and Bockelee-Morvan, D. and Leyrat, C. (2016) The temporal evolution of exposed water ice-rich areas on the surface of 67P/Churyumov-Gerasimenko: spectral analysis. Monthly Notices of the Royal Astronomical Society, stw3281. Oxford University Press. DOI: 10.1093/mnras/stw3281 ISSN 0035-8711

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Official URL: http://dx.doi.org/10.1093/mnras/stw3281

Abstract

Water ice-rich patches have been detected on the surface of comet 67P Churyumov Gerasimenko by the VIRTIS (Visible InfraRed and Thermal Imaging Spectrometer) hyperspectral imager on board the Rosetta spacecraft, since the orbital insertion in late 2014 August. Among these, three icy patches have been selected, and VIRTIS data are used to analyse their properties and their temporal evolution while the comet was moving towards the Sun. We performed an extensive analysis of the spectral parameters, and we applied the Hapke radiative transfer model to retrieve the abundance and grain size of water ice, as well as the mixing modalities of water ice and dark terrains on the three selected water ice-rich areas.

Item URL in elib:https://elib.dlr.de/113750/
Document Type:Article
Title:The temporal evolution of exposed water ice-rich areas on the surface of 67P/Churyumov-Gerasimenko: spectral analysis
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Raponi, A.inaf-iasf, italyUNSPECIFIED
Ciarniello, M.inaf-iasf, italyUNSPECIFIED
Capaccioni, F.inaf-iasf, italyUNSPECIFIED
Filacchione, G.inaf-iasf, rome, italyUNSPECIFIED
Tosi, F.inaf-iasf istituto di astrofisica spaziale e fisica cosmica, roma italyUNSPECIFIED
De Sanctis, M. C.inaf, ifsi, rome, italyUNSPECIFIED
Capria, M. T.instituto di astrofisica spaziale e fisica cosmica, roma, italyUNSPECIFIED
Barucci, M. A.observatoire de paris, meudon, franceUNSPECIFIED
Longobardo, A.inaf-iaps, via del fosso del cavaliere 100, i-00133 rome, italyUNSPECIFIED
Palomba, E.institute for interplanetary space physics - inaf, rome, italyUNSPECIFIED
Kappel, D.david.kappel (at) dlr.deUNSPECIFIED
Arnold, G.gabriele.arnold (at) dlr.deUNSPECIFIED
Mottola, S.stefano.mottola (at) dlr.deUNSPECIFIED
Rousseau, B.2LESIA, Observatoire de Paris/CNRS/Universit´e Pierre et Marie Curie/Universit´e Paris-Diderot, Meudon, 75013 Paris, FranceUNSPECIFIED
Quirico, E.laboratory of planetology, cnrs joseph fourier universityUNSPECIFIED
Rinaldi, G.istituto di fisica dello spazio interplanetario (ifsi-inaf), rome - italyUNSPECIFIED
Erard, S.lesiaUNSPECIFIED
Bockelee-Morvan, D.observatoire de paris, meudonUNSPECIFIED
Leyrat, C.lesiaUNSPECIFIED
Date:2016
Journal or Publication Title:Monthly Notices of the Royal Astronomical Society
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
DOI :10.1093/mnras/stw3281
Page Range:stw3281
Publisher:Oxford University Press
ISSN:0035-8711
Status:Published
Keywords:radiative transfer – techniques: imaging spectroscopy – comets: individual: 67P – planets and satellites: surfaces – infrared: planetary systems.
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Science and Exploration
DLR - Research area:Raumfahrt
DLR - Program:R EW - Erforschung des Weltraums
DLR - Research theme (Project):R - Projekt ROSETTA Instrumente, R - Projekt ROSETTA Lander
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Asteroids and Comets
Institute of Planetary Research > Leitungsbereich PF
Deposited By: Schubert, Renate
Deposited On:20 Sep 2017 10:48
Last Modified:06 Sep 2019 15:17

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