Methane on Mars: New insights into the sensitivity of CH 4 with the NOMAD/ExoMars spectrometer through its first in-flight calibration
- Liuzzi, G.
- Villanueva, G. L.
- Mumma, M. J.
- Smith, M. D.
- Daerden, F.
- Ristic, B.
- Thomas, I.
- Vandaele, A. C.
- Patel, M. R.
- Lopez-Moreno, J.-J.
- Bellucci, G.
- Allen, M.
- Alonso-Rodrigo, G.
- Altieri, F.
- Aoki, Shohei
- Bauduin, Simon
- Bolsée, D.
- Clancy, T.
- Cloutis, E.
- D'Aversa, E.
- Depiesse, C.
- Erwin, J.
- Fedorova, A.
- Formisano, V.
- Funke, B.
- Fussen, D.
- Garcia-Comas, M.
- Geminale, A.
- Gérard, Jean-Claude
- Gillotay, D.
- Giuranna, M.
- Gonzalez-Galindo, F.
- Hewson, W.
- Homes, J.
- Ignatiev, N.
- Kaminski, J.
- Karatekin, O.
- Kasaba, Y.
- Lanciano, O.
- Lefèvre, F.
- Lewis, S.
- López- Puertas, M.
- López-Valverde, M.
- Mahieux, A.
- Mason, J.
- Mc Connell, J.
- Hiromu Neary Nakagawa, L.
- Neefs, E.
- Novak, R.
- Oliva, F.
- Piccialli, A.
- Renotte, Etienne
- Robert, S.
- Sindoni, G.
- Stiepen, Arnaud
- Trokhimovskiy, A.
- Vander Auwera, Jacqueline
- Viscardy, S.
- Whiteway, J.
- Willame, Y.
- Wilquet, V.
- Wolff, M.
- Wolkenberg, P.
- Alonso-Rodrigo, G.
- Aparicio del Moral, B.
- Barzin, P.
- Beeckman, B.
- BenMoussa, A.
- Berkenbosch, S.
- Biondi, D.
- Bonnewijn, S.
- Candini, G. P.
- Clairquin, R.
- Cubas, J.
- Giordanengo, B.
- Gissot, S.
- Gomez, A.
- Hathi, B.
- Jeronimo Zafra, J.
- Leese, M.
- Maes, J.
- Mazy, Emmanuel
- Mazzoli, Alexandra
- Meseguer, J.
- Morales, R.
- Orban, Anne
- Pastor-Morales, M.
- Perez-grande, I.
- Queirolo, C.
- Rodriguez Gomez, J.
- Saggin, B.
- Samain, V.
- Sanz Andres, A.
- Sanz, R.
- Simar, J.-F.
- Thibert, Tanguy
DOIAbstract
The Nadir and Occultation for MArs Discovery instrument (NOMAD), onboard the ExoMars Trace Gas Orbiter (TGO) spacecraft was conceived to observe Mars in solar occultation, nadir, and limb geometries, and will be able to produce an outstanding amount of diverse data, mostly focused on properties of the atmosphere. The infrared channels of the instrument operate by combining an echelle grating spectrometer with an Acousto-Optical Tunable Filter (AOTF). Using in-flight data, we characterized the instrument performance and parameterized its calibration. In particular: an accurate frequency calibration was achieved, together with its variability due to thermal effects on the grating. The AOTF properties and transfer function were also quantified...
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