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Water vapour and carbon dioxide IR emissions in 67P/CG coma: first detection by Rosetta/VIRTIS-M

Capaccioni, F. and Bockelee-Morvan, D. and Filacchione, G. and Erard, S. and Leyrat, C. and De Sanctis, M.C. and Piccioni, G. and Crovisier, J. and Tosi, F. and Capria, M. T. and Ciarnello, M. and Raponi, A. and Drossart, P. and Arnold, Gabriele (2015) Water vapour and carbon dioxide IR emissions in 67P/CG coma: first detection by Rosetta/VIRTIS-M. In: Lunar and Planetary Science, p. 2494. 46th Lunar and Planetary Science Conference (2015), 16 Mar - 20 Mar 2015, The Woodlands, Texas.

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Official URL: http://www.hou.usra.edu/meetings/lpsc2015/pdf/2494.pdf

Abstract

Taking advantage of Rosetta’s terminator orbits around 67P/CG nucleus in December 2014, VIRTIS-M, the mapping channel of the Visible and Infrared Thermal Imaging Spectrometer has carried out systematic observations of the comet limb in the 0.25-5 μm spectral range with the aim to detect fluorescence emissions of gas species like water vapour and carbon dioxide. We report about the first detections of these molecules by VIRTIS-M and correlate them with respect to the nucleus orientation at the time of the observation. These features appear variable in time, depending on numerous parameters like comet’s activity state, relative position of the spacecraft with respect to the nucleus, tangent altitude of the line of sight above the limb, heliocentric distance and solar phase. Water vapour emission at 2.7 μm appears considerably more intense in correspondence of the jets emitted by the active regions in the neck while carbon dioxide emission at 4.25 μm increases in limb observations taken above the head and body regions.

Item URL in elib:https://elib.dlr.de/101324/
Document Type:Conference or Workshop Item (Speech)
Title:Water vapour and carbon dioxide IR emissions in 67P/CG coma: first detection by Rosetta/VIRTIS-M
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Capaccioni, F.INAF-IASF, italyUNSPECIFIED
Bockelee-Morvan, D.Observatoire de Paris, MeudonUNSPECIFIED
Filacchione, G.INAF-IASF, Rome, ItalyUNSPECIFIED
Erard, S.LESIAUNSPECIFIED
Leyrat, C.LESIAUNSPECIFIED
De Sanctis, M.C.Istituto Nazionale di Astrofisica, Rome, Italy.UNSPECIFIED
Piccioni, G.INAF-IASFUNSPECIFIED
Crovisier, J.Observatoire de Paris-Meudon, FranceUNSPECIFIED
Tosi, F.INAF-IASF Istituto di Astrofisica Spaziale e Fisica Cosmica, Roma ItalyUNSPECIFIED
Capria, M. T.Instituto di Astrofisica Spaziale e Fisica Cosmica, Roma, ItalyUNSPECIFIED
Ciarnello, M.INAF-IASF, ItalyUNSPECIFIED
Raponi, A.INAF-IASF, ItalyUNSPECIFIED
Drossart, P.Observatoire de Paris, Meudon, FranceUNSPECIFIED
Arnold, GabrieleGabriele.Arnold (at) dlr.deUNSPECIFIED
Date:16 March 2015
Journal or Publication Title:Lunar and Planetary Science
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Page Range:p. 2494
Status:Published
Keywords:VIRTIS, Rosetta, 67P, water, carbon dioxide
Event Title:46th Lunar and Planetary Science Conference (2015)
Event Location:The Woodlands, Texas
Event Type:international Conference
Event Dates:16 Mar - 20 Mar 2015
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
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Leitungsbereich PF
Deposited By: Kappel, David
Deposited On:04 Jan 2016 09:14
Last Modified:31 Jul 2019 19:58

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