Publications by authors named "B Lecomte"
The development of cardiometabolic (CM) diseases is associated with chronic low-grade inflammation, partly linked to alterations of the gut microbiota (GM) and reduced intestinal integrity. The SINFONI project investigates a multifunctional (MF) nutritional strategy's impact combining different bioactive compounds on inflammation, GM modulation and CM profile. In this randomized crossover-controlled study, 30 subjects at CM-risk consumed MF cereal-products, enriched with polyphenols, fibers, slowly-digestible starch, omega-3 fatty acids or Control cereal-products (without bioactive compounds) for 2 months.
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- The MAJIS instrument on the JUICE spacecraft will study the surfaces and atmospheres of the Jupiter system by analyzing visible and infrared light.
- A calibration campaign was conducted before launch to gather necessary measurements for evaluating the instrument's performance, including signal-to-noise ratio and straylight effects.
- The paper details the setup and methods used for calibration and discusses the radiometric, geometric, and spectral properties measured, as well as challenges faced during the campaign.
Article Synopsis
- * Before JUICE's launch in April 2023, MAJIS underwent extensive calibration in 2021 to assess its performance with natural and synthetic mineral samples, focusing on its spectral accuracy and spatial resolution.
- * The results show that MAJIS generally exhibits excellent spectral performance but may be affected by stray light, particularly in wavelengths below 1.2 μm, potentially leading to issues like spectral contrast reduction and shifts in
The Moons And Jupiter Imaging Spectrometer (MAJIS) is the visible and near-infrared imaging spectrometer onboard the European Space Agency (ESA)'s Jupiter Icy Moons Explorer mission. Before its integration into the spacecraft, the instrument undergoes an extensive ground calibration to establish its baseline performances. This process prepares the imaging spectrometer for flight operations by characterizing the behavior of the instrument under various operative conditions and uncovering instrumental distortions that may depend on instrumental commands.
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