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View article: Hybrid simulations of Mercury’s global dynamics and the interplanetary ions’ precipitation fluxes under different interplanetary conditions
Hybrid simulations of Mercury’s global dynamics and the interplanetary ions’ precipitation fluxes under different interplanetary conditions Open
Aims . We aim to quantify the impact of different interplanetary conditions met by Mercury along its orbit between its aphelion (~0.47 AU) and perihelion (~0.31 AU) on the Hermean environment, including the rate of solar-wind ion precipita…
View article: M‐Shell and Local Time Variability of the Electron and Magnetic Environments at the Orbit of Callisto as Observed by the Juno and Galileo Missions
M‐Shell and Local Time Variability of the Electron and Magnetic Environments at the Orbit of Callisto as Observed by the Juno and Galileo Missions Open
Jupiter's moon Callisto orbits in a highly variable magnetospheric environment depending on its position relative to the Jovian current sheet. The Juno and Galileo missions have visited the Jovian magnetosphere and crossed Callisto's orbit…
View article: Characterisation of Ganymede's ionosphere in the context of Juno and future JUICE observations
Characterisation of Ganymede's ionosphere in the context of Juno and future JUICE observations Open
Previous flybys by NASA missions, namely Galileo and Juno, revealed that Ganymede, the largest moon of the Solar System, hosts a rather complex, dense ionosphere, more diverse than previously thought. Recent modelling work [1] has highligh…
View article: Modeling the interactions between Callisto’s neutral and ionized environments and the Jovian magnetosphere
Modeling the interactions between Callisto’s neutral and ionized environments and the Jovian magnetosphere Open
Callisto is the most distant of the four Galilean moons, orbiting at around 26.3 Jovian radii from its planet. Composed of equal parts rock and ice, the moon has a tenuous atmosphere composed mainly of O2 [Cunningham et al., 2015] and CO2 …
View article: Locating the Earth's Magnetopause Through X-Ray Imaging
Locating the Earth's Magnetopause Through X-Ray Imaging Open
International audience
View article: Electron Structures in Titan's Induced Magnetosphere and Low‐Frequency Wave Activity
Electron Structures in Titan's Induced Magnetosphere and Low‐Frequency Wave Activity Open
The interaction of Titan's ionosphere with Saturn's magnetosphere leads to a mix of perturbed electromagnetic fields and accelerated and thermalized plasma in the induced magnetosphere. The complexity of this region has been noted in previ…
View article: First direct observations of atmospheric sputtering at Mars
First direct observations of atmospheric sputtering at Mars Open
Billions of years ago, Mars’ ability to sustain liquid water waned as the solar wind and radiation began to erode the atmosphere. Sputtering is an atmospheric escape process that may have been dominant during earlier epochs of our Sun acco…
View article: Different Faces of the Martian Magnetosphere
Different Faces of the Martian Magnetosphere Open
The Martian magnetosphere contains components of the induced and intrinsic magnetospheres. Since we can not get a global snapshot of the magnetosphere we use a statistical picture based on a large number of measurements. Depending on the c…
View article: Magnetosphere and Plasma Science with the Jupiter Icy Moons Explorer
Magnetosphere and Plasma Science with the Jupiter Icy Moons Explorer Open
View article: Ionosphere of Ganymede: Galileo observations versus test particle simulation
Ionosphere of Ganymede: Galileo observations versus test particle simulation Open
In this paper, we model the plasma environment of Ganymede by means of a collisionless test particle simulation. By coupling the outputs from a Direct Simulation Monte Carlo (DSMC) simulation of Ganymede’s exosphere (i.e. number density pr…
View article: Ionosphere of Ganymede: Galileo observations versus test particle simulation
Ionosphere of Ganymede: Galileo observations versus test particle simulation Open
In this paper, we model the plasma environment of Ganymede by means of a collisionless test particle simulation. By coupling the outputs from a DSMC simulation of Ganymede's exosphere (i.e. number density profiles of neutral species such a…
View article: Venusian ion escape under extreme conditions: A dynamic pressure and temperature simulation study
Venusian ion escape under extreme conditions: A dynamic pressure and temperature simulation study Open
Context . We investigated the response of the Venusian atmospheric ion escape under the effect of interplanetary coronal mass ejections (ICMEs) using the Latmos Hybrid Simulation (LatHyS). Aims . In particular, we focused on the influence …
View article: Mercury’s plasma environment after BepiColombo’s third flyby
Mercury’s plasma environment after BepiColombo’s third flyby Open
View article: Sunward Oxygen Ion Fluxes and the Magnetic Field Topology at Mars From Hybrid Simulations
Sunward Oxygen Ion Fluxes and the Magnetic Field Topology at Mars From Hybrid Simulations Open
It is commonly believed that because of the direct solar wind interaction with the Martian atmosphere/ionosphere, the planet could have lost a significant part of its atmosphere. Closed field lines of the crustal magnetic field can weaken …
View article: Modeling Soft X‐Ray Emissions at the Dayside Magnetopause
Modeling Soft X‐Ray Emissions at the Dayside Magnetopause Open
In this study, we simulate the Solar Wind Charge Exchange (SWCX) soft X‐ray emissions at dayside magnetosheath and cusps by using magnetohydrodynamic (MHD) and LAtmos TEst Particle (LaTeP) models. MHD models are unable to resolve the parti…
View article: Impact of ion-neutral chemistry on Ganymede's ionosphere
Impact of ion-neutral chemistry on Ganymede's ionosphere Open
The Galileo spacecraft flew by Ganymede, down to 0.1 RG from the surface for the closest, six times giving us insight into its plasma environment. Its ionosphere, made of ions born from the ionisation of neutrals present in Ganymede's exos…
View article: 3D model of the Martian thermosphere with PCM-Mars : Comparison between the simulated CO2, N2, Ar and the MAVEN/NGIMS measurements
3D model of the Martian thermosphere with PCM-Mars : Comparison between the simulated CO2, N2, Ar and the MAVEN/NGIMS measurements Open
In this study, we simulate the density of four important species in the Martian upper atmosphere (CO2, N2, Ar and He) with Mars-PCM. We use a new numerical approach to compute the molecular diffusion, including an eddy diffusion term to be…
View article: The electron structures in Titan’s induced1magnetosphere observed during the T36 flyby
The electron structures in Titan’s induced1magnetosphere observed during the T36 flyby Open
The interaction of Titan's ionosphere with Saturn's magnetosphere results in a complex region of perturbed magnetic fields, energetic and thermalized electrons and ions-induced magnetosphere (IM). Although the complexity of IM has been men…
View article: Sunward oxygen ion fluxes and the magnetic field topology at Mars from hybrid simulations and observations
Sunward oxygen ion fluxes and the magnetic field topology at Mars from hybrid simulations and observations Open
It is commonly believed that because of the direct solar wind interaction with the Martian atmosphere/ionosphere, the planet could have lost a significant part of its atmosphere. Closed field lines of the crustal magnetic field can weaken …
View article: First Observations of Atmospheric Sputtering at Mars
First Observations of Atmospheric Sputtering at Mars Open
International audience
View article: Simulations of the hydrogen and deuterium thermal and non-thermal escape at Mars at Spring Equinox
Simulations of the hydrogen and deuterium thermal and non-thermal escape at Mars at Spring Equinox Open
View article: Modeling soft X-ray emissions at the dayside magnetopause
Modeling soft X-ray emissions at the dayside magnetopause Open
In this study, we simulate the Solar Wind Charge Exchange (SWCX) soft X-ray emissions at dayside magnetopause by using magnetohydrodynamic (MHD) and Test-Particle (TP) models. Due to the single fluid description, the MHD model is unable to…
View article: On the Hermean near-planet boundaries response under different orbital interplanetary conditions
On the Hermean near-planet boundaries response under different orbital interplanetary conditions Open
This work aimed to study the dynamical response of the near-Mercury environment to different interplanetary conditions experienced along its orbit by means of 3D multi-species hybrid simulations.Mercury features an eccentric and rapid orbi…
View article: Ionospheric environment of Ganymede during the Galileo flybys
Ionospheric environment of Ganymede during the Galileo flybys Open
The Galileo spacecraft flew by Ganymede, down to 0.1 RG from the surface for the closest, six times giving us insight into its plasma environment. Its ionosphere, made of ions born from the ionisation of neutrals present in Ganymede’…
View article: Acceleration of an interplanetary shock through the magnetosheath: a global hybrid simulation
Acceleration of an interplanetary shock through the magnetosheath: a global hybrid simulation Open
According to most observations and simulations, interplanetary shocks slow down when they propagate through the magnetosheath. In this article, we present results from a self-consistent global hybrid PIC simulation of an interplanetary sho…
View article: Global hybrid simulation Dataset: Atmospheric escape at Venus - dependance on solar wind temperature and dynamic pressure
Global hybrid simulation Dataset: Atmospheric escape at Venus - dependance on solar wind temperature and dynamic pressure Open
This data set is the output of five different simulations studying the atmospheric escape at the planet Venus. The simulation used for this dataset is the Latmos Hybrid Simulation (LatHyS), a steady-state global hybrid model (Aizawa et al.…
View article: Global hybrid simulation Dataset: Atmospheric escape at Venus - dependance on solar wind temperature and dynamic pressure
Global hybrid simulation Dataset: Atmospheric escape at Venus - dependance on solar wind temperature and dynamic pressure Open
This data set is the output of five different simulations studying the atmospheric escape at the planet Venus. The simulation used for this dataset is the Latmos Hybrid Simulation (LatHyS), a steady-state global hybrid model (Aizawa et al.…
View article: New insights into the consequences of different interplanetary conditions on the near-Hermean environment
New insights into the consequences of different interplanetary conditions on the near-Hermean environment Open
International audience
View article: Reflection of SolarWind protons on the Martian Bow shock: Investigation by means of 3-dimensional simulations
Reflection of SolarWind protons on the Martian Bow shock: Investigation by means of 3-dimensional simulations Open
International audience
View article: Ganymede's atmosphere as constrained by HST/STIS observations
Ganymede's atmosphere as constrained by HST/STIS observations Open