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Water Ortho-to-Para Ratio in Comet 67P/Churyumov-Gerasimenko from VIRTIS/Rosetta Observations

Debout, V. and Bockelee-Morvan, D. and Erard, S. and Leyrat, C. and Capaccioni, F. and Filacchione, G. and Drossart, P. and Arnold, Gabriele and Biver, N and Crovisier, J. and Encrenaz, T. and Quirico, E. and Schmitt, B. (2015) Water Ortho-to-Para Ratio in Comet 67P/Churyumov-Gerasimenko from VIRTIS/Rosetta Observations. In: 10th European Planetary Science Congress (EPSC), 10, p. 266. European Planetary Science Congress 2015, 27 Sep - 02 Oct 2015, Nantes, France.

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Official URL: http://meetingorganizer.copernicus.org/EPSC2015/EPSC2015-266.pdf

Abstract

The ν3 vibrational band of H2O at 2.67 μm was observed with the high spectral-resolution channel of the Visible InfraRed Thermal Imaging Spectrometer (VIRTIS-H) onboard Rosetta. The spectral resolution is adequate to resolve the rovibrational structure of the band. High signal-to-noise ratios allow us to measure both the rotational temperature and the ortho-para ratio of water (OPR) in comet 67P/C-G. The measured OPR value will be presented and compared to measurements obtained in other comets from ground-based and space telescopes.

Item URL in elib:https://elib.dlr.de/100878/
Document Type:Conference or Workshop Item (Speech)
Title:Water Ortho-to-Para Ratio in Comet 67P/Churyumov-Gerasimenko from VIRTIS/Rosetta Observations
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Debout, V.LESIA, Observatoire de Paris/CNRS/UPMC/Université Paris-Diderot, Meudon, FranceUNSPECIFIED
Bockelee-Morvan, D.Observatoire de Paris, MeudonUNSPECIFIED
Erard, S.LESIAUNSPECIFIED
Leyrat, C.LESIAUNSPECIFIED
Capaccioni, F.INAF-IASF, italyUNSPECIFIED
Filacchione, G.INAF-IASF, Rome, ItalyUNSPECIFIED
Drossart, P.Observatoire de Paris, Meudon, FranceUNSPECIFIED
Arnold, GabrieleGabriele.Arnold (at) dlr.deUNSPECIFIED
Biver, NObservatoire de ParisUNSPECIFIED
Crovisier, J.Observatoire de Paris-Meudon, FranceUNSPECIFIED
Encrenaz, T.LESIAUNSPECIFIED
Quirico, E.Laboratory of Planetology, CNRS Joseph Fourier UniversityUNSPECIFIED
Schmitt, B.Grenoble Planetology LaboratoryUNSPECIFIED
Date:29 September 2015
Journal or Publication Title:10th European Planetary Science Congress (EPSC)
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Volume:10
Page Range:p. 266
Series Name:EPSC Abstracts
Status:Published
Keywords:VIRTIS, Rosetta, 67P, Water
Event Title:European Planetary Science Congress 2015
Event Location:Nantes, France
Event Type:international Conference
Event Dates:27 Sep - 02 Oct 2015
Organizer:Europlanet
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:14 Dec 2015 13:59
Last Modified:31 Jul 2019 19:58

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