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A dynamic upper atmosphere of Venus as revealed by VIRTIS on Venus Express

Drossart, P. and Piccioni, G. and Gerard, M. and Sanchez-Lavega, A. and Lopez-Valverde, M. A. and Hueso, R. and Taylor, F.W. and Zasova, L. and Adriani, A. and Lebonnois, S. and Coradini, A. and Bezard, B. and Angrilli, F. and Arnold, G. and Baines, K.H. and Bellucci, G. and Benkhoff, J. and Bibring, J.P. and Blanco, A. and Blecka, M. I. and Carlson, R. W. and Di Lellis, A. and Encrenaz, T. and Erard, S. and Fonti, S. and Formisano, V. and Fouchet, T. and Garcia, R. and Haus, R. and Helbert, J. and Ignatiev, N. I. and Irwin, P.G.J. and Langevin, Y. and Luz, D. and Marinangeli, L. and Orofino, V. and Rodin, A.V. and Roos-Serote, M.C. and Saggin, B. and Stam, D.M. and Titov, D. and Visconti, G. and Zambelli, M. and Tsang, C. and et.al., (2007) A dynamic upper atmosphere of Venus as revealed by VIRTIS on Venus Express. Nature (450), pp. 641-645. doi: 10.1038/nature06140.

Full text not available from this repository.

Abstract

The upper atmosphere of a planet is a transition region in which energy is transferred between the deeper atmosphere and outer space. Molecular emissions from the upper atmosphere (90–120 km altitude) of Venus can be used to investigate the energetics and to trace the circulation of this hitherto little-studied region. Previous spacecraft1 and ground-based2, 3, 4 observations of infrared emission from CO2, O2 and NO have established that photochemical and dynamic activity controls the structure of the upper atmosphere of Venus. These data, however, have left unresolved the precise altitude of the emission1 owing to a lack of data and of an adequate observing geometry5, 6. Here we report measurements of day-side CO2 non-local thermodynamic equilibrium emission at 4.3 microm, extending from 90 to 120 km altitude, and of night-side O2 emission extending from 95 to 100 km. The CO2 emission peak occurs at approx115 km and varies with solar zenith angle over a range of approx10 km. This confirms previous modelling7, and permits the beginning of a systematic study of the variability of the emission. The O2 peak emission happens at 96 km plusminus 1 km, which is consistent with three-body recombination of oxygen atoms transported from the day side by a global thermospheric sub-solar to anti-solar circulation, as previously predicted

Item URL in elib:https://elib.dlr.de/52163/
Document Type:Article
Title:A dynamic upper atmosphere of Venus as revealed by VIRTIS on Venus Express
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Drossart, P.LESIAUNSPECIFIEDUNSPECIFIED
Piccioni, G.INAF-IASFUNSPECIFIEDUNSPECIFIED
Gerard, M.LPAP-Université de LiègeUNSPECIFIEDUNSPECIFIED
Sanchez-Lavega, A.Universidad del Pais Vasco AldaUNSPECIFIEDUNSPECIFIED
Lopez-Valverde, M. A.CSICUNSPECIFIEDUNSPECIFIED
Hueso, R.Universidad del Pais Vasco AldaUNSPECIFIEDUNSPECIFIED
Taylor, F.W.University of OxfordUNSPECIFIEDUNSPECIFIED
Zasova, L.IKIUNSPECIFIEDUNSPECIFIED
Adriani, A.INAF-IFSIUNSPECIFIEDUNSPECIFIED
Lebonnois, S.Laboratoire de Meteorologie DynamiqueUNSPECIFIEDUNSPECIFIED
Coradini, A.INAF-IFSIUNSPECIFIEDUNSPECIFIED
Bezard, B.LESIAUNSPECIFIEDUNSPECIFIED
Angrilli, F.CISASUNSPECIFIEDUNSPECIFIED
Arnold, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Baines, K.H.Jet Propulsion LboratoryUNSPECIFIEDUNSPECIFIED
Bellucci, G.INAF-IFSIUNSPECIFIEDUNSPECIFIED
Benkhoff, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bibring, J.P.Universite Paris-SudUNSPECIFIEDUNSPECIFIED
Blanco, A.Universita degli Studi di LecceUNSPECIFIEDUNSPECIFIED
Blecka, M. I.Space Research Centre of Polish Academy of ScienceUNSPECIFIEDUNSPECIFIED
Carlson, R. W.Jet Propulsion LaboratoryUNSPECIFIEDUNSPECIFIED
Di Lellis, A.AMDLSPACE s.r.l.UNSPECIFIEDUNSPECIFIED
Encrenaz, T.LESIAUNSPECIFIEDUNSPECIFIED
Erard, S.LESIAUNSPECIFIEDUNSPECIFIED
Fonti, S.Universita degli Studi di LecceUNSPECIFIEDUNSPECIFIED
Formisano, V.INAF-IFSIUNSPECIFIEDUNSPECIFIED
Fouchet, T.LESIAUNSPECIFIEDUNSPECIFIED
Garcia, R.Institute de Physique du Globe de ParisUNSPECIFIEDUNSPECIFIED
Haus, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Helbert, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ignatiev, N. I.IKIUNSPECIFIEDUNSPECIFIED
Irwin, P.G.J.University of OxfordUNSPECIFIEDUNSPECIFIED
Langevin, Y.Institut d`Astrophysique SpatialeUNSPECIFIEDUNSPECIFIED
Luz, D.Observatorio Astronomico de LisboaUNSPECIFIEDUNSPECIFIED
Marinangeli, L.Universita d`AnnunzioUNSPECIFIEDUNSPECIFIED
Orofino, V.Universita degli Studi di LecceUNSPECIFIEDUNSPECIFIED
Rodin, A.V.IKIUNSPECIFIEDUNSPECIFIED
Roos-Serote, M.C.Observatorio Astronomico de LisboaUNSPECIFIEDUNSPECIFIED
Saggin, B.Politecnico di MilanoUNSPECIFIEDUNSPECIFIED
Stam, D.M.University of AmsterdamUNSPECIFIEDUNSPECIFIED
Titov, D.Max-Planck-Inst. for AeronomyUNSPECIFIEDUNSPECIFIED
Visconti, G.Universita de L'AquilaUNSPECIFIEDUNSPECIFIED
Zambelli, M.INAF-IASFUNSPECIFIEDUNSPECIFIED
Tsang, C.Clarendon Laboratory OxfordUNSPECIFIEDUNSPECIFIED
et.al., UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Date:2007
Journal or Publication Title:Nature
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:Yes
DOI:10.1038/nature06140
Page Range:pp. 641-645
Editors:
EditorsEmailEditor's ORCID iDORCID Put Code
Macmilan Publisher Ltd, UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Series Name:Letter of Nature
Status:Published
Keywords:Venus, Venus Express, VIRTIS
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):W - Vorhaben Entwicklung und Erprobung von Verfahren zur Gewässerfernerkundung (old)
Location: Berlin-Adlershof
Institutes and Institutions:Remote Sensing Technology Institute > Marine Remote Sensing
Deposited By:INVALID USER
Deposited On:13 Dec 2007
Last Modified:15 Jan 2010 02:01

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