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CO in the atmospheres of Saturn. Observations at millimeter and submillimeter wavelengths.

hal.structure.identifierLaboratoire d'astrodynamique, d'astrophysique et d'aéronomie de bordeaux [L3AB]
hal.structure.identifierObservatoire aquitain des sciences de l'univers [OASU]
hal.structure.identifierLaboratoire d'Astrophysique de Bordeaux [Pessac] [LAB]
dc.contributor.authorCAVALIÉ, T.
hal.structure.identifierLaboratoire d'astrodynamique, d'astrophysique et d'aéronomie de bordeaux [L3AB]
hal.structure.identifierObservatoire aquitain des sciences de l'univers [OASU]
hal.structure.identifierLaboratoire d'Astrophysique de Bordeaux [Pessac] [LAB]
dc.contributor.authorBILLEBAUD, F.
hal.structure.identifierLaboratoire d'astrodynamique, d'astrophysique et d'aéronomie de bordeaux [L3AB]
hal.structure.identifierObservatoire aquitain des sciences de l'univers [OASU]
hal.structure.identifierLaboratoire d'Astrophysique de Bordeaux [Pessac] [LAB]
dc.contributor.authorDOBRIJEVIC, M.
hal.structure.identifierLaboratoire d'études spatiales et d'instrumentation en astrophysique [LESIA]
dc.contributor.authorFOUCHET, T.
hal.structure.identifierLaboratoire d'études spatiales et d'instrumentation en astrophysique [LESIA]
dc.contributor.authorLELLOUCH, E.
hal.structure.identifierLaboratoire d'astrodynamique, d'astrophysique et d'aéronomie de bordeaux [L3AB]
hal.structure.identifierObservatoire aquitain des sciences de l'univers [OASU]
hal.structure.identifierLaboratoire d'Astrophysique de Bordeaux [Pessac] [LAB]
dc.contributor.authorBRILLET, J.
hal.structure.identifierLaboratoire d'études spatiales et d'instrumentation en astrophysique [LESIA]
dc.contributor.authorENCRENAZ, T.
dc.contributor.authorMORIARTY, P.
dc.contributor.authorWOUTERLOOT, J.P.
dc.date.issued2008
dc.date.conference2008
dc.description.abstractEnWater and carbon dioxide have been detected in the stratospheres of the outer planets. Because both species condense at the tropopause (except CO2 in Jupiter and Saturn), their presence in the stratospheres implies an external origin (interplanetary dust, sputtering from the satellites and/or rings, large meteoritic impacts). Carbon monoxide has been detected in each giant planet. Because this compound does not condense at the tropopause, it can also have an internal origin. The source of CO has been proved to be internal and external in Jupiter and Neptune, but this is still not clear in the case of Saturn and Uranus. Therefore, constraining the amount of CO in the stratosphere and/or high troposphere of these planets would help solve this question. We performed observations of Saturn at millimeter and submillimeter wavelengths in the CO (1-0), (2-1) and (3-2) lines. Observations were carried out with the IRAM 30-m telescope (Pico Veleta, Spain) in September 2006 and with the JCMT 15-m telescope (Hawaii, USA) in January 2008. We have recorded broad multi-band spectra. We have used our photochemical model to constrain the CO supply in the atmosphere of Saturn. The results of these observations will be presented and discussed. IRAM is supported by INSU/CNRS (France), MPG (Germany), IGN (Spain). This work has benefited from research funding from the European Community's Sixth Framework Program under RadioNet contract R113CT 2003 5058187.
dc.language.isoen
dc.source.titleBulletin of the American Astronomical Society - DPS meeting #40, #35.02
dc.title.enCO in the atmospheres of Saturn. Observations at millimeter and submillimeter wavelengths.
dc.typeCommunication dans un congrès
dc.subject.halPlanète et Univers [physics]/Astrophysique [astro-ph]/Planétologie et astrophysique de la terre [astro-ph.EP]
dc.subject.halPhysique [physics]/Astrophysique [astro-ph]/Planétologie et astrophysique de la terre [astro-ph.EP]
bordeaux.page458
bordeaux.volume40
bordeaux.conference.titleDPS meeting #40, #35.02
bordeaux.countryUS
bordeaux.title.proceedingBulletin of the American Astronomical Society - DPS meeting #40, #35.02
bordeaux.peerReviewedoui
hal.identifierhal-00400261
hal.version1
hal.invitednon
hal.proceedingsoui
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00400261v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.btitle=Bulletin%20of%20the%20American%20Astronomical%20Society%20-%20DPS%20meeting%20%2340,%20%2335.02&rft.date=2008&rft.volume=40&rft.spage=458&rft.epage=458&rft.au=CAVALI%C3%89,%20T.&BILLEBAUD,%20F.&DOBRIJEVIC,%20M.&FOUCHET,%20T.&LELLOUCH,%20E.&rft.genre=unknown


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