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Temporal evolution of comet 67P/Churyumov-Gerasimenko surface properties as observed by VIRTIS-M from pre-perihelion to post-perihelion

Ciarniello, M. and Filacchione, G. and Capaccioni, F. and Raponi, A. and Desanctis, M.C. and Tosi, F. and Migliorini, A. and Piccioni, G. and Cerroni, P. and Capria, M. T. and Erard, S. and Bockelee-Morvan, D. and Leyrat, C. and Arnold, Gabriele and Barucci, M. A. and Schmitt, B. and Quirico, E. and Fornasier, S. and Kappel, David and Longobardo, A and Rousseau, Batiste and Mottola, S. (2017) Temporal evolution of comet 67P/Churyumov-Gerasimenko surface properties as observed by VIRTIS-M from pre-perihelion to post-perihelion. In: Asteroids, Comets, Meteors 2017 Meeting (ACM 2017), 6.a.6. Asteroids, Comets, Meteors (ACM) 2017, 10. - 14. April 2017, Montevideo, Uruguay.

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Official URL: http://acm2017.uy/abstracts/Parallel6.a.6.pdf


The Visible and Infrared Thermal Imaging Spectrometer on board the Rosetta spacecraft acquired disk-resolved images of the nucleus of comet 67P/Churyumov-Gerasimenko for more than two years from August 2014 to September 2016. The observation campaigns have been carried out using both the visible (VIS) and infrared (IR) channels of the instrument covering the 0.25-5.1 μm spectral range up to May 2015 and by means of the sole VIS channel (0.25-1 μm) for the remaining part of the mission. This allowed monitoring the spectral properties of the comet surface as a function of the heliocentric distance for the inbound part of the orbit from 3.6 AU to perihelion (1.3 AU) and the outbound part up to 3.3 AU. Throughout this period the surface evolution was further complicated by the combination of the relatively large orbital eccentricity, of the irregular shape of 67P/CG's nucleus and of the inclination of its rotational axis (52°) which amplify the seasonal effects.

Item URL in elib:https://elib.dlr.de/115594/
Document Type:Conference or Workshop Item (Speech)
Title:Temporal evolution of comet 67P/Churyumov-Gerasimenko surface properties as observed by VIRTIS-M from pre-perihelion to post-perihelion
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Ciarniello, M.inaf-iasf, italyUNSPECIFIEDUNSPECIFIED
Filacchione, G.inaf-iasf, rome, italyUNSPECIFIEDUNSPECIFIED
Capaccioni, F.inaf-iasf, italyUNSPECIFIEDUNSPECIFIED
Raponi, A.inaf-iasf, italyUNSPECIFIEDUNSPECIFIED
Desanctis, M.C.inaf, istituto di astrofisica spaziale e fisica cosmica, roma, italyUNSPECIFIEDUNSPECIFIED
Tosi, F.inaf-iasf istituto di astrofisica spaziale e fisica cosmica, roma italyUNSPECIFIEDUNSPECIFIED
Cerroni, P.inaf-iasf, rome, italyUNSPECIFIEDUNSPECIFIED
Capria, M. T.instituto di astrofisica spaziale e fisica cosmica, roma, italyUNSPECIFIEDUNSPECIFIED
Bockelee-Morvan, D.observatoire de paris, meudonUNSPECIFIEDUNSPECIFIED
Barucci, M. A.observatoire de paris, meudon, franceUNSPECIFIEDUNSPECIFIED
Schmitt, B.grenoble planetology laboratoryUNSPECIFIEDUNSPECIFIED
Quirico, E.laboratory of planetology, cnrs joseph fourier universityUNSPECIFIEDUNSPECIFIED
Fornasier, S.observatoire de paris-meudon, franceUNSPECIFIEDUNSPECIFIED
Longobardo, Ainaf-laps, via del fosso del cavaliere 100, i-00133 rome, italyUNSPECIFIEDUNSPECIFIED
Date:13 April 2017
Journal or Publication Title:Asteroids, Comets, Meteors 2017 Meeting (ACM 2017)
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:No
Page Range:6.a.6
Keywords:Rosetta, 67P, comet, surface, composition, VIRTIS
Event Title:Asteroids, Comets, Meteors (ACM) 2017
Event Location:Montevideo, Uruguay
Event Type:international Conference
Event Dates:10. - 14. April 2017
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 ROSETTA Instruments (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Asteroids and Comets
Institute of Planetary Research > Leitungsbereich PF
Deposited By: Kappel, David
Deposited On:20 Nov 2017 15:50
Last Modified:31 Jul 2019 20:13

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