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Design overview and performances evaluation of the VenSpec-U instrument: a double UV imaging spectrometer to analyze sulfured gases in Venus’s atmosphere

dc.contributor.authorLustrement, B.
dc.contributor.authorBertran, S.
dc.contributor.authorRouanet, N.
dc.contributor.authorDíaz Damían, A.
dc.contributor.authorHassen-Khodja, R.
dc.contributor.authorMontaron, C.
dc.contributor.authorRuocco, S.
dc.contributor.authorVontrat, A.
dc.contributor.authorVivat, F.
dc.contributor.authorBaggio, L.
dc.contributor.authorGuignan, G.
dc.contributor.authorSimonnet, E.
dc.contributor.authorConan, L.
dc.contributor.authorGabier, C.
dc.contributor.authorLanglois, A.
dc.contributor.authorMathon, R.
dc.contributor.authorNguyen Tuong, N.
dc.contributor.authorRecart, W.
dc.contributor.authorBuey, T.
dc.contributor.authorVinatier, S.
dc.contributor.authorLasue, J.
dc.contributor.authorLara, L.
dc.contributor.authorMarcq, E.
dc.contributor.authorRobert, S.
dc.contributor.authorHelbert, J.
dc.date2025
dc.date.accessioned2025-10-28T12:32:10Z
dc.date.available2025-10-28T12:32:10Z
dc.identifier.urihttps://orfeo.belnet.be/handle/internal/14375
dc.descriptionVenSpec-U is one of the three channels of the VenSpec suite onboard the ESA’s mission Envision to Venus, whose launch is foreseen in 2031. It is a UV spectrometer operating in the 190-380 nm range aiming at analyzing the sulfured gases in the high atmosphere of Venus by absorption spectroscopy and investigating the unknown “UV absorber”, thus contributing to answer one of the key questions the Envision mission will address: “How has Venus’ climate become so hostile”. VenSpec-U, developed under LATMOS (Guyancourt, France) PI-ship, is part of the spectrometer suite named ”VenSpec” led by DLR (Berlin, Germany). After presenting the Envision mission, the VenSpec suite and the scientific objectives and requirement of VenSpec-U, this manuscript provides a short overview of the current instrument design and presents the expected performances as well as the methods used to assess them.
dc.languageeng
dc.titleDesign overview and performances evaluation of the VenSpec-U instrument: a double UV imaging spectrometer to analyze sulfured gases in Venus’s atmosphere
dc.typeArticle
dc.subject.frascatiPhysical sciences
dc.audienceScientific
dc.subject.freeEquipment
dc.subject.freeVenus
dc.subject.freeUltraviolet radiation
dc.subject.freeDesign
dc.subject.freeSpectroscopy
dc.subject.freeSignal to noise ratio
dc.subject.freeSpatial resolution
dc.subject.freeSpectral resolution
dc.subject.freeClouds
dc.subject.freeSensors
dc.source.titleProceedings of SPIE 13699, International Conference on Space Optics - ICSO 2024, 21-25 October 2024, Antibes Juan-les-Pins, France
dc.source.volume13699
dc.source.page1369947
Orfeo.peerreviewedYes
dc.identifier.doi10.1117/12.3072753
dc.identifier.url
dc.source.editorBernard, F.
dc.source.editorKarafolas, N.
dc.source.editorKubik, P.
dc.source.editorMinoglou, K.


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