Laboratoire atmosphères et observations spatiales | LATMOS

• Article dans une revue

Schumann Resonances as a tool to constrain the depth of Titan’s buried water ocean: Re-assessment of Huygens observations and preparation of the EFIELD/Dragonfly experiment

Paul Lagouanelle, Alice Le Gall

Among the lines of evidence for a buried ocean on Titan is the possible detection, in 2005, by the Permittivity, Wave and Altimetry (PWA) analyzer on board the ESA Huygens probe of Schumann-like Resonances (SR). SR are Extremely Low Frequency electromagnetic waves resonating between two…

Icarus, 2025, 428 (March), pp.116372. ⟨10.1016/j.icarus.2024.116372⟩. ⟨insu-04683340v3⟩

• Article dans une revue

Characterizing heterogeneities in the subsurface with an ultra-wideband GPR: Application to WISDOM, the GPR of the Rosalind Franklin ExoMars mission

Emile Brighi, Valérie Ciarletti, Alice Le Gall, D Plettemeier, Yann Herve, Nicolas Oudart, C Quantin-Nataf, Manon Gilles, François-Wandrille de Lamberterie

Ultra-wideband Ground Penetrating Radars (GPR) are sensitive to a large range of scatterer sizes. Considering fractal heterogeneities in the subsurface, we propose a method to retrieve their typical size L. The determination of L with this method does not require a priori knowledge of the…

Planetary and Space Science, 2025, 255 (January), pp.106012. ⟨10.1016/j.pss.2024.106012⟩. ⟨insu-04819338v2⟩

• Article dans une revue

Investigating the formation and growth of Titan's atmospheric aerosols using an experimental approach

Zoé Perrin, Nathalie Carrasco, Thomas Gautier, Nathalie Ruscassier, Julien Maillard, Carlos Afonso, Ludovic Vettier

Titan has a climate system with similarities to Earth, including the presence of a thick atmosphere made up of several atmospheric layers. As on Earth, Titan's climate is influenced by several factors: the gaseous species making up the atmosphere, the energy deposited on the satellite, and…

Icarus, In press, pp.116418. ⟨10.1016/j.icarus.2024.116418⟩. ⟨insu-04842988⟩

• Article dans une revue

Night O₂ (a¹Δ_g) airglow spatial distribution and temporal behavior on Venus based on SPICAV IR/VEx nadir dataset

Daria Evdokimova, A. Fedorova, M. Zharikova, Franck Montmessin, O. Korablev, L. Soret, D. Gorinov, D. Belyaev, Jean-Loup Bertaux

The infrared O2 (a1Δg) airglow driven by the subsolar to antisolar circulation occurs between two global circulation regimes on Venus: the zonal super-rotation below 90 km and the subsolar to antisolar circulation over 120 km. Here we report the complete global results of SPICAV IR/Venus Express…