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Expected performances of the NOMAD/ExoMars instrument

AutorVandaele A.C.; Lopez Moreno J.J.; Bellucci G.; Patel M.; Allen M.; Altieri F.; Aoki S.; Bolsée D.; Clancy T.; Cloutis E.; Daerden, F.; Depiesse C.; Fedorova A.; Formisano V.; Funke B.; Fussen D.; Garcia-Comas M.; Geminale A.; Gérard J.-C.; Gillotay D.; Giuranna M.; Gonzalez-Galindo F.; Ignatiev N.; Kaminski J.; Karatekin O.; Kasaba, Y.; Lefèvre F.; Lewis, S.; López-Puertas M.; López-Valverde M.; Mahieux A.; Mason J.; McConnell, J.(¿); Mumma M.; Neary L.; Neefs E.; Novak, R.; Renotte E.; Robert S.; Sindoni G.; Smith M.; Thomas I.R.; Trokhimovskiy A.; Vander Auwera J.; Villanueva G.; Viscardy, S.; Whiteway J.; Willame Y.; Wilquet V.; Wolff M. - Tech Team: Alonso-Rodrigo G.; Aparicio del Moral B.; Barzin P.; BenMoussa A.; Berkenbosch S.; Biondi D.; Bonnewijn S.; Candini G.; Clairquin R.; Cubas J.; Delanoye S.; Giordanengo B.; Gissot S.; Gomez A.; Zafra J.-J.; Leese M.; Maes J.; Mazy E.; Mazzoli A.; Meseguer J.; Morales R.; Orban A.; Pastor-Morales M.; Perez-Grande I.; Ristic B.; Rodriguez-Gomez J.; Saggin B.; Samain V.; Sanz Andres A.; Sanz R.; Simar J.-F.; Thibert T.
Palabras claveExoMars ESA mission
NOMAD instrument
Mars: atmosphere
Radiative transfer
Fecha de publicación2016
EditorElsevier
CitaciónPlanetary and Space Science 124: 94- 104 (2016)
ResumenNOMAD (Nadir and Occultation for MArs Discovery) is one of the four instruments on board the ExoMars Trace Gas Orbiter, scheduled for launch in March 2016. It consists of a suite of three high-resolution spectrometers - SO (Solar Occultation), LNO (Limb, Nadir and Occultation) and UVIS (Ultraviolet and Visible Spectrometer). Based upon the characteristics of the channels and the values of Signal-to-Noise Ratio obtained from radiometric models discussed in (Vandaele et al., 2015a, 2015b; Thomas et al., 2016), the expected performances of the instrument in terms of sensitivity to detection have been investigated. The analysis led to the determination of detection limits for 18 molecules, namely CO, HO, HDO, CH, CH, CH, HCO, CH, SO, HS, HCl, HCN, HO, NH, NO, NO, OCS, O. NOMAD should have the ability to measure methane concentrations <25 parts per trillion (ppt) in solar occultation mode, and 11 parts per billion in nadir mode. Occultation detections as low as 10 ppt could be made if spectra are averaged (Drummond et al., 2011). Results have been obtained for all three channels in nadir and in solar occultation.© 2016 The Authors. Published by Elsevier Ltd.
URIhttp://hdl.handle.net/10261/167198
Identificadoresdoi: 10.1016/j.pss.2016.03.003
issn: 0032-0633
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