Refining the analysis of PWA-HASI/Huygens to constrain Titan's surface electrical properties

Abstract : Almost 10 years ago, the Huygens probe successfully landed on the surface of Titan, Saturn's biggest moon. The Permittivity, Waves and Altimetry (PWA-HASI) instrument onboard then investigated during 32 min the electrical properties at very low frequencies of the top meters of the surface. Preliminary results reported a relative dielectric constant of ~2 and a low electric conductivity. Since then, much has been learnt on the position of the Huygens probe after landing and on the surface characteristics of Titan. Here we describe the refined analysis of the PW A-HASI data and discuss composition scenarios.
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Michel Hamelin, Anthony Lethuillier, Alice Le Gall, C. Beghin, J. J. Lopez-Moreno, et al.. Refining the analysis of PWA-HASI/Huygens to constrain Titan's surface electrical properties. European Planetary Science Congress 2014, Sep 2014, Cascais, Portugal. pp.EPSC2014-793. ⟨hal-01070816⟩

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