Jezero Delta mineralogical diversity revealed by SuperCam infrared spectral modeling - Institut d'astrophysique spatiale Access content directly
Conference Papers Year : 2023

Jezero Delta mineralogical diversity revealed by SuperCam infrared spectral modeling

François Poulet
  • Function : Author
  • PersonId : 880383
Thierry Fouchet
Elise Clavé
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  • PersonId : 1091541
Franck Montmessin
Cédric Pilorget
Adrian Brown
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  • PersonId : 1181903
The Supercam Team
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Abstract

Since the end of April 2022, the Perseverance rover has embarked on the Delta Campaign with the objective to explore the sedimentary delta of Jezero Crater and characterize its stratigraphy and mineral composition. Among the instruments aboard the Rover, SuperCam [1, 2] plays a key role in this study thanks to its remote measurement capabilities (spectroscopy and imaging), in particular the near-infrared reflectance spectroscopy performed by the IRS instrument [3]. This instrument analyzes light reflected from rocks and soils in the 1.3 – 2.6 μm spectral range and in a field of view of 1.15 mrad, corresponding to an area of about 3.5 mm at 3 m distance. The IRS is thus sensitive to the spectral signatures of primary and aqueous alteration minerals, enabling the analysis of the compositional diversity of rocks and thus to the study of their formation conditions. Here we summarize a modeling approach of the IRS data to examine diagnostic absorption features.
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Dates and versions

hal-04035423 , version 1 (17-03-2023)

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Clément Royer, François Poulet, Roger C Wiens, Lucia Mandon, Thierry Fouchet, et al.. Jezero Delta mineralogical diversity revealed by SuperCam infrared spectral modeling. 54th Lunar and Planetary Science Conference 2023, Lunar and Planetary Institute, Mar 2023, The Woodlands, Texas, United States. pp.1372. ⟨hal-04035423⟩
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