NOMAD, an Integrated Suite of Three Spectrometers for the ExoMars Trace Gas Mission: Technical Description, Science Objectives and Expected Performance

Vandaele, A. C.; Lopez-Moreno, J. -J.; Patel, M. R.; Bellucci, G.; Daerden, F.; Ristic, B.; Robert, S.; Thomas, I. R.; Wilquet, V.; Allen, M.; Alonso-Rodrigo, G.; Altieri, F.; Aoki, S.; Bolsée, D.; Clancy, R. T.; Cloutis, E.; Depiesse, C.; Drummond, R. J.; Fedorova, A.; Formisano, V.; Funke, B.; González-Galindo, F.; Geminale, A.; Gérard, J. -C.; Giuranna, M.; Hetey, L.; Ignatiev, N.; Kaminski, J.; Karatekin, O.; Kasaba, Y.; Leese, M.; Lefèvre, F.; Lewis, S. R.; López-Puertas, M.; López-Valverde, M.; Mahieux, A.; Mason, J.; McConnell, J.; Mumma, M.; Neary, L.; Neefs, E.; Renotte, E.; Rodriguez-Gomez, J.; Sindoni, G.; Smith, M.; Stiepen, A.; Trokhimovsky, A.; Vander Auwera, J.; Villanueva, G.; Viscardy, S.; Whiteway, J.; Willame, Y.; Wolff, M. J. and the NOMAD team (2018). NOMAD, an Integrated Suite of Three Spectrometers for the ExoMars Trace Gas Mission: Technical Description, Science Objectives and Expected Performance. Space Science Reviews, 214, article no. 80.

DOI: https://doi.org/10.1007/s11214-018-0517-2

Abstract

The NOMAD (“Nadir and Occultation for MArs Discovery”) spectrometer suite on board the ExoMars Trace Gas Orbiter (TGO) has been designed to investigate the composition of Mars’ atmosphere, with a particular focus on trace gases, clouds and dust. The detection sensitivity for trace gases is considerably improved compared to previous Mars missions, compliant with the science objectives of the TGO mission. This will allow for a major leap in our knowledge and understanding of the Martian atmospheric composition and the related physical and chemical processes. The instrument is a combination of three spectrometers, covering a spectral range from the UV to the mid-IR, and can perform solar occultation, nadir and limb observations. In this paper, we present the science objectives of the instrument and explain the technical principles of the three spectrometers. We also discuss the expected performance of the instrument in terms of spatial and temporal coverage and detection sensitivity.

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About

  • Item ORO ID
  • 55531
  • Item Type
  • Journal Item
  • ISSN
  • 1572-9672
  • Project Funding Details
  • Funded Project NameProject IDFunding Body
    Science operations for UVIS and CaSSIS on the ExoMars Trace Gas OrbiterST/R005761/1UKSA UK Space Agency
    Modelling and retrieval of martian dust, ice and ozone from ExoMars NOMAD dataST/P001262/1UKSA UK Space Agency
    Characterizing the Martian water cycle by assimilating ExoMars 2016 Trace Gas Orbiter dataST/R001405/1UKSA UK Space Agency
    NOMAD Post-Launch SupportST/P000886/1UKSA UK Space Agency
  • Keywords
  • ExoMars; solar occultation; nadir observations; Mars atmosphere; composition; infrared; ultraviolet; visible; spectroscopy; methane; dust
  • Academic Unit or School
  • Faculty of Science, Technology, Engineering and Mathematics (STEM) > Physical Sciences
    Faculty of Science, Technology, Engineering and Mathematics (STEM)
  • Research Group
  • Space
    Centre for Electronic Imaging (CEI)
  • Copyright Holders
  • © 2018 The Authors
  • Depositing User
  • Manish Patel
CORE (COnnecting REpositories)

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