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MicrOmega/MASCOT first results

Abstract : MASCOT has been selected to be integrated on board the JAXA Hayabusa2 mission, with a suite of 4 instruments: a camera MASCam, a radiometer MARA, a magnetometer MASMag and MicrOmega, a hyperspectral near infrared microscope, designed to characterize the composition of Ryugu surface materials down their grain scale (25 μm large). A joined article (Ho et al., this issue) describes and gives references to MASCOT design, goals, development and operation, along its cruise, landing and on asteroid phase.

MicrOmega has been activated and operated as planned, while demonstrating high instrumental performances. However, its configuration when MASCOT went at rest on Ruygu located MicrOmega line of sight over a deep depression, with Ryugu surface much too far to be illuminated and imaged, precluding a direct characterization.

In this paper, we present and discuss MicrOmega operations and outcomes.

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https://hal-insu.archives-ouvertes.fr/insu-03744503
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Submitted on : Wednesday, August 3, 2022 - 6:57:17 AM
Last modification on : Friday, August 5, 2022 - 3:24:31 AM

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Jean-Pierre Bibring, Cédric Pilorget, Lucie Riu, Vincent Hamm, Rosario Brunetto, et al.. MicrOmega/MASCOT first results. Planetary and Space Science, 2022, 210, ⟨10.1016/j.pss.2021.105393⟩. ⟨insu-03744503⟩

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