Photometric study of Europa with Hapke model
Résumé
In the context of ESA's future mission JUICE, this work is the start of a broad investigation on the reflectance models of Jupiter's icy moons. It focuses on Europa and Hapke photometric model using images from the LORRI instrument on New Horizons. The parameters are estimated using a Bayesian approach that has been developed for similar work on Mars. We show that it is possible to constrain Hapke parameters on restricted areas of Europa and that they can be fairly different depending on the regions of interest. However, this study shows limitations that we hope to overcome by including more data from other missions such as Voyager.
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