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Line parameters for the 01111-00001 band of 12C16O18O from SOIR measurements of the Venus atmosphere

dc.contributor.authorWilquet, V.
dc.contributor.authorMahieux, A.
dc.contributor.authorVandaele, A.C.
dc.contributor.authorPerevalov, V.I.
dc.contributor.authorTashkun, S.A.
dc.contributor.authorFedorova, A.
dc.contributor.authorKorablev, O.
dc.contributor.authorMontmessin, F.
dc.contributor.authorDahoo, R.
dc.contributor.authorBertaux, J.-L.
dc.date2008
dc.date.accessioned2016-09-21T11:43:36Z
dc.date.available2016-09-21T11:43:36Z
dc.identifier.urihttps://orfeo.belnet.be/handle/internal/4343
dc.descriptionCO2 is the major constituent of the atmosphere of Venus. Absorption lines due to its 12C16O18O isotopologue have been observed for the first time in Venus spectra in the 2930-3015 cm-1 spectral region, where the HITRAN database does not contain any line from this isotopologue. The measurements were performed by the SOIR instrument, which is part of the SPICAV/SOIR instrument on board the Venus Express mission of ESA. SOIR measured the atmospheric transmission of the upper atmosphere of Venus (z>70 km) by performing a solar occultation experiment using the atmosphere as a gigantic absorption cell. The identification of this newly observed band was first made recently from Mars atmosphere observations by US colleagues. We have made independent theoretical calculations of the positions of the lines of this new 01111-00001 absorption band, which coincide perfectly with the positions of the observed lines. Assuming an oxygen isotopic ratio similar to the one measured previously in the lower atmosphere of Venus, the line strengths of each observed line are deduced and listed.
dc.languageeng
dc.titleLine parameters for the 01111-00001 band of 12C16O18O from SOIR measurements of the Venus atmosphere
dc.typeArticle
dc.subject.frascatiPhysical sciences
dc.audienceScientific
dc.subject.freeAbsorption
dc.subject.freeAtmospheric chemistry
dc.subject.freeAtmospheric composition
dc.subject.freeCarbon dioxide
dc.subject.freeSpectroscopy
dc.subject.freeAtmospheric transmission
dc.subject.freeEchelle spectrometer
dc.subject.freePlanetary surface analysis
dc.subject.freecarbon dioxide
dc.subject.freeinfrared spectroscopy
dc.subject.freeplanetary atmosphere
dc.subject.freeVenus
dc.source.titleJournal of Quantitative Spectroscopy and Radiative Transfer
dc.source.volume109
dc.source.issue6
dc.source.page895-905
Orfeo.peerreviewedYes
dc.identifier.doi10.1016/j.jqsrt.2007.12.021
dc.identifier.scopus2-s2.0-40849140708


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