Juno’s Earth flyby: the Jovian infrared Auroral Mapper preliminary results
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The Jovian InfraRed Auroral Mapper, JIRAM, is an image-spectrometer onboard the NASA Juno spacecraft flying to Jupiter. The instrument has been designed to study the aurora and the atmosphere of the planet in the spectral range 2–5 μm. The very first scientific observation taken with the instrument was at the Moon just before Juno’s Earth fly-by occurred on October 9, 2013. The purpose was to check the instrument regular operation modes and to optimize the instrumental performances. The testing activity will be completed with pointing and a radiometric/spectral calibrations shortly after Jupiter Orbit Insertion. Then the reconstruction of some Moon infrared images, together with co-located spectra used to retrieve the lunar surface temperature, is a fundamental step in the instrument operation tuning. The main scope of this article is to serve as a reference to future users of the JIRAM datasets after public release with the NASA Planetary Data System.
KeywordsJupiter Moon Instruments and techniques Image processing Modeling
This work was supported by the Italian Space Agency under the ASI-INAF contracts n. I/010/10/0 and n. 2014-050-R.0. JIRAM was developed under the leadership of INAF, Italy’s National Institute for Astrophysics, Rome. The instrument was built by LEONARDO SPA, Campi Bisenzio (Fi), Italy.
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