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Martian atmosphere as observed by VIRTIS-M on Rosetta spacecraft

Coradini, A. and Grassi, D. and Capaccioni, F. and Filacchione, G. and Tosi, F. and Ammannito, E. and De Sanctis, M. C. and Formisano, V. and Wolkenberg, P. and Rinaldi, G. and Arnold, G. and Barucci, M. A. and Bellucci, G. and Benkhoff, J. and Bibring, J. P. and Blanco, A. and Bockelee-Morvan, D. and Capria, M. T. and Carlson, R. and Carsenty, U. and Cerroni, P. and Colangeli, L. and Combes, M. and Combi, M. and Crovisier, J. and Drossart, P. and Encrenaz, T. and Erard, S. and Federico, C. and Fink, U. and Fonti, S. and Ip, W.-H. and Irwin, P. G. J. and Jaumann, R. and Kührt, E. and Langevin, Y. and Magni, G. and McCord, T. and Menella, V. and Mottola, S. and Neukum, G. and Orofino, V. and Palumbo, P. and Piccioni, G. and Rauer, H. and Schmitt, B. and Tiphene, D. and Taylor, F. W. and Tozzi, G. P. (2010) Martian atmosphere as observed by VIRTIS-M on Rosetta spacecraft. Journal of Geophysical Research, 115 (E4), E04004. Wiley. DOI: 10.1029/2009JE003345 ISSN 0148-0227

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Abstract

The Rosetta spacecraft accomplished a flyby of Mars on its way to 67P/Churyumov-Gerasimenko on 25 February 2007. In this paper we describe the measurements obtained by the M channel of the Visual and Infrared Thermal Imaging Spectrometer (VIRTIS-M) and the first scientific results derived from their analysis. The broad spectral coverage of the VIRTIS-M in the IR permitted the study of various phenomena occurring in the Martian atmosphere; observations were further exploited to achieve accurate absolute radiometric calibration. Nighttime data from the VIRTIS-M constrain the air temperature profile in the lower atmosphere (5-30 km), using variations in CO2 opacity at 4.3 μm. A comparison of this data with the global circulation model (GCM) by Forget et al. (1999) shows a trend of slightly higher air temperature in the VIRTIS-M retrievals; this is accompanied by the presence of moderate decreases (˜5 K) in large sections of the equatorial region. This is potentially related to the occurrence of water ice clouds. Daytime data from the VIRTIS-M reveal CO2 non-local thermodynamic equilibrium emission in the high atmosphere. A mapping of emission intensity confirms its strict dependence on solar zenith angle. Additionally, devoted limb observations allowed the retrieval of vertical emission intensity profiles, indicating a peak around 105 km in southern tropical regions. Ozone content can be effectively monitored by the emission of O2 (a1Δg) at 1.27 μm. Retrieved emission intensity shows that polar regions are particularly rich in ozone. Aerosol scattering was observed in the 1-2.5 μm region above the night region above the night disk, suggesting the occurrence of very high noctilucent clouds.

Item URL in elib:https://elib.dlr.de/65668/
Document Type:Article
Title:Martian atmosphere as observed by VIRTIS-M on Rosetta spacecraft
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Coradini, A.INAF, IFSI, Rome, ItalyUNSPECIFIED
Grassi, D.INAF, IFSI, Rome, ItalyUNSPECIFIED
Capaccioni, F.INAF, IFSI, Rome, ItalyUNSPECIFIED
Filacchione, G.INAF, IFSI, Rome, ItalyUNSPECIFIED
Tosi, F. INAF, IFSI, Rome, ItalyUNSPECIFIED
Ammannito, E.INAF, IFSI, Rome, ItalyUNSPECIFIED
De Sanctis, M. C.INAF, IFSI, Rome, ItalyUNSPECIFIED
Formisano, V.INAF, IFSI, Rome, ItalyUNSPECIFIED
Wolkenberg, P.INAF, IFSI, Rome, ItalyUNSPECIFIED
Rinaldi, G.INAF, IFSI, Rome, ItalyUNSPECIFIED
Arnold, G.gabriele.arnold (at) dlr.deUNSPECIFIED
Barucci, M. A.Observatoire de Paris, Meudon, FranceUNSPECIFIED
Bellucci, G.INAF, IFSI, Rome, ItalyUNSPECIFIED
Benkhoff, J.ESA, ESTEC, Noordwijk, NetheerlandsUNSPECIFIED
Bibring, J. P.IAS, Centre universitaire d'Orsay, Orsay, FranceUNSPECIFIED
Blanco, A.Dipartimento di Fisica, universita del Salento, Lecce, ItalyUNSPECIFIED
Bockelee-Morvan, D.ObservatoireObservatoire de Paris, Meudon, FranceUNSPECIFIED
Capria, M. T.INAF, IFSI, Rome, ItalyUNSPECIFIED
Carlson, R.JPL, NASA, Pasadena, California, USAUNSPECIFIED
Carsenty, U.uri.carsenty (at) dlr.deUNSPECIFIED
Cerroni, P.INAF, IFSI, Rome, ItalyUNSPECIFIED
Colangeli, L.Osservatorio Astronomico di Capodimonte, INAF, Naples, ItalyUNSPECIFIED
Combes, M.Observatoire de Paris, Meudon, FranceUNSPECIFIED
Combi, M.Atmospheric, Oceanic and Space Sciences, Univ. of Michigan, Ann Arbor, Michigan, USAUNSPECIFIED
Crovisier, J.Observatoire de Paris, Meudon, FranceUNSPECIFIED
Drossart, P.Observatoire de Paris, Meudon, FranceUNSPECIFIED
Encrenaz, T.Observatoire de Paris, Meudon, FranceUNSPECIFIED
Erard, S.Observatoire de Paris, Meudon, FranceUNSPECIFIED
Federico, C.Dipartimento di Scienze della Terra, Univ. di Perugia, Perugia, ItalyUNSPECIFIED
Fink, U.Department of Planetary Sciences, Lunar and Planetary Laboraty, Tucson, Arizona, USAUNSPECIFIED
Fonti, S.Dipartimento di Fisica, universita del Salento, Lecce, ItalyUNSPECIFIED
Ip, W.-H.Graduate institute of Astronomy, National Central Univ., Chung-Li, TaiwanUNSPECIFIED
Irwin, P. G. J.Atmaspheric, Oceanic and Planetary Physics, Univ. of Oxford, Oxford, UKUNSPECIFIED
Jaumann, R. ralf.jaumann (at) dlr.deUNSPECIFIED
Kührt, E.ekkehard.kuehrt (at) dlr.deUNSPECIFIED
Langevin, Y.IAS, Centre universitaire d'Orsay, Orsay, FranceUNSPECIFIED
Magni, G.INAF, IFSI, Rome, ItalyUNSPECIFIED
McCord, T.Bear Fight Center, Withrop, Washington, USAUNSPECIFIED
Menella, V.Osservatorio Astronomico di Capodimonte, INAF, Naples, ItalyUNSPECIFIED
Mottola, S.stefano.mottola (at) dlr.deUNSPECIFIED
Neukum, G. Freie Universität BerlinUNSPECIFIED
Orofino, V.Dipartimento di Fisica, universita del Salento, Lecce, ItalyUNSPECIFIED
Palumbo, P.Dipartimento di Scienze Applicate, Iniv. degli Studi di Napoli "Parthenope", Naple, ItalyUNSPECIFIED
Piccioni, G.INAF, IFSI, Rome, ItalyUNSPECIFIED
Rauer, H.heike.rauer (at) dlr.deUNSPECIFIED
Schmitt, B.OSUG, Univ. Joseph Fourier, Grenoble, FranceUNSPECIFIED
Tiphene, D.Observatoire de Paris, Meudon, FranceUNSPECIFIED
Taylor, F. W.Atmaspheric, Oceanic and Planetary Physics, Univ. of Oxford, Oxford, UKUNSPECIFIED
Tozzi, G. P.Osservatorio Astrofisico di Arcetri, INAF, Firenze, ItalyUNSPECIFIED
Date:April 2010
Journal or Publication Title:Journal of Geophysical Research
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:115
DOI :10.1029/2009JE003345
Page Range: E04004
Publisher:Wiley
ISSN:0148-0227
Status:Published
Keywords:Planetary Sciences: Solid Surface Planets: Atmospheres (0343, 1060), Planetary Sciences: Solid Surface Planets: Instruments and techniques, Planetary Sciences: Solid Surface Planets: Remote sensing
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EW - Erforschung des Weltraums
DLR - Research area:Space
DLR - Program:W EW - Erforschung des Weltraums
DLR - Research theme (Project):W - Projekt ROSETTA Instrumente (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Asteroids and Comets
Institute of Planetary Research > Extrasolar Planets and Atmospheres
Institute of Planetary Research > Planetary Geology
Deposited By: Brumm, Laura-Maria
Deposited On:02 Nov 2010 10:36
Last Modified:08 Mar 2018 18:43

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