Alessandro Retinò
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View article: MMS Analysis of a Dayside Compressed Magnetospheric Separatrix in the Presence of Cold Ions and a Moderate Guide Field
MMS Analysis of a Dayside Compressed Magnetospheric Separatrix in the Presence of Cold Ions and a Moderate Guide Field Open
This study reports on a dayside magnetic reconnection event detected by the Magnetospheric Multiscale mission in the presence of a moderate guide field ( times the reconnecting magnetic field on the magnetosphere side) and assumed to be pr…
View article: 2D fully kinetic simulations of dayside magnetic reconnection in the presence of cold ions and a moderate guide field.
2D fully kinetic simulations of dayside magnetic reconnection in the presence of cold ions and a moderate guide field. Open
The standard conditions considered for magnetic reconnection to occur are usually antiparallel magnetic field configurations with a shear angle of 180◦. Reconnection is often observed with an additional out-of-plane component of the …
View article: An Electron Plasma Camera for the Plasma Observatory ESA mission
An Electron Plasma Camera for the Plasma Observatory ESA mission Open
Measuring both the energy spectrum and the 3D distribution of charged particles at high temporal resolution is one of the main challenges in space plasma instrumentation. The conventional solution to date has been to use multiple sensors t…
View article: The ESA M7 Plasma Observatory mission
The ESA M7 Plasma Observatory mission Open
The Magnetospheric System is the highly dynamic plasma environment where the strongest energization and energy transport occurs in near-Earth space.  Previous multi-point observations from missions such as ESA/Cluster and NASA/MMS hav…
View article: The Ion Mass Spectrometer instrument for Plasma Observatroy – IMS
The Ion Mass Spectrometer instrument for Plasma Observatroy – IMS Open
The overarching goal of the Plasma Observatory Missions is to use multiscale multi-spacecraft observations to investigate in detail plasma energization and plasma transport in the near-Earth region. Thus, the prime goals of that mission ar…
View article: US Contributions to the Plasma Observatory Mission 
US Contributions to the Plasma Observatory Mission  Open
Plasma Observatory (PO) is a Heliophysics mission that will explore plasma energization and energy transport in the Earth’s Magnetospheric System, for the first time through multi-scale observations covering simultaneously the ion an…
View article: The Search-Coil Magnetometer (SCM) of the Radio and Plasma Waves Investigation (RPWI) onboard the ESA JUICE mission: in-flight performance and first observations.
The Search-Coil Magnetometer (SCM) of the Radio and Plasma Waves Investigation (RPWI) onboard the ESA JUICE mission: in-flight performance and first observations. Open
The JUpiter ICy moons Explorer (JUICE) mission is the first large-class (L1) mission of ESA Cosmic Vision. JUICE has been launched in April 2023 with an arrival at Jupiter in 2031 and at least four years making detailed plasma observations…
View article: The SCM instrument for the ESA Plasma Observatory mission
The SCM instrument for the ESA Plasma Observatory mission Open
The proposal of the Plasma Observatory mission was selected for a competitive phase A with two other missions in the framework of the seventh call for medium mission (M7) organized by ESA. The mission selection is planned in 2026 for a lau…
View article: Unveiling Plasma Energization and Energy Transport in the Earth’s Magnetospheric System through Multi-Scale Observations: the Science of the ESA M7 Plasma Observatory Mission Candidate
Unveiling Plasma Energization and Energy Transport in the Earth’s Magnetospheric System through Multi-Scale Observations: the Science of the ESA M7 Plasma Observatory Mission Candidate Open
Plasma energization and energy transport are ubiquitous in cosmic plasmas. The Earth’s Magnetospheric System is a key example of a highly structured and dynamic cosmic plasma environment where massive energy transport and plasma ener…
View article: Particle-In-Cell simulations of an electron beam: stability and wave emissions
Particle-In-Cell simulations of an electron beam: stability and wave emissions Open
During peaks of magnetospheric activity, energetic electrons trapped in the inner magnetosphere can precipitate in the lower ionosphere due to electromagnetic wave activity. Such waves can be generated naturally or artificially, for instan…
View article: Science Study Team Working Groups of the ESA M7 Mission candidate Plasma Observatory 
Science Study Team Working Groups of the ESA M7 Mission candidate Plasma Observatory  Open
We know that plasma energization and energy transport occur in large volumes of space and across large boundaries in space. However, in situ observations, theory and simulations indicate that the key physical processes driving energization…
View article: Identifying the Growth Phase of Magnetic Reconnection Using Pressure‐Strain Interaction
Identifying the Growth Phase of Magnetic Reconnection Using Pressure‐Strain Interaction Open
Magnetic reconnection often initiates abruptly and then rapidly progresses to a nonlinear quasi‐steady state. While satellites frequently detect reconnection events, ascertaining whether the system has achieved steady‐state or is still evo…
View article: Identifying the Growth Phase of Magnetic Reconnection using Pressure-Strain Interaction
Identifying the Growth Phase of Magnetic Reconnection using Pressure-Strain Interaction Open
Magnetic reconnection often initiates abruptly and then rapidly progresses to a nonlinear quasi-steady state. While satellites frequently detect reconnection events, ascertaining whether the system has achieved steady-state or is still evo…
View article: Evaluation of Scale-dependent Kurtosis with HelioSwarm
Evaluation of Scale-dependent Kurtosis with HelioSwarm Open
Plasma turbulence involves complex, nonlinear interactions of electromagnetic fields and charged particles across multiple scales. Studying these phenomena in space plasmas, like the solar wind, is facilitated by the intrinsic scale separa…
View article: The inviscid incompressible limit of Kelvin–Helmholtz instability for plasmas
The inviscid incompressible limit of Kelvin–Helmholtz instability for plasmas Open
Introduction: The Kelvin–Helmholtz Instability (KHI) is an interface instability that develops between two fluids or plasmas flowing with a common shear layer. KHI occurs in astrophysical jets, solar atmosphere, solar flows, cometary tails…
View article: Unveiling plasma energization and energy transport in the Earth’s Magnetospheric System through multi-scale observations: the science of the Plasma Observatory mission
Unveiling plasma energization and energy transport in the Earth’s Magnetospheric System through multi-scale observations: the science of the Plasma Observatory mission Open
Energetic plasma is everywhere in the Universe. We observe plasma energization and energy transport in a variety of cosmic plasmas, such as planetary magnetospheres, stellar coronae, supernova remnant shocks, accretion disks, and astrophys…
View article: The ESA M7 candidate mission Plasma Observatory.
The ESA M7 candidate mission Plasma Observatory. Open
Particle energization and transport of energy are key open problems of space plasma physics. Their comprehension has implications on research fields that span from space weather to the understanding of the farthest astrophysical plasmas. T…
View article: Energy conversion in a compressed magnetospheric separatrix: Observations and simulations
Energy conversion in a compressed magnetospheric separatrix: Observations and simulations Open
Magnetic reconnection is a fundamental process that is ubiquitous in the universe. It converts magnetic field energy into heating and acceleration of plasma. On the dayside of the Earth’s magnetosphere, it is responsible for the domi…
View article: The French contribution for the NASA HelioSwarm mission
The French contribution for the NASA HelioSwarm mission Open
The HelioSwarm mission was selected as a MIDEX mission by NASA in February 2022 for launch in 2029 with a nominal duration of 15 months. Its main objectives are to reveal the 3D spatial structure and dynamics of turbulence in a weakly coll…
View article: Unveiling plasma energization and energy transport in the Earth Magnetospheric System: the need for future coordinated multiscale observations
Unveiling plasma energization and energy transport in the Earth Magnetospheric System: the need for future coordinated multiscale observations Open
Energetic plasma is everywhere in the Universe. The terrestrial Magnetospheric System is a key case where direct measures of plasma energization and energy transport can be made in situ at high resolution. Despite the large amount of avail…
View article: Two Classes of Equatorial Magnetotail Dipolarization Fronts Observed by Magnetospheric Multiscale Mission: A Statistical Overview
Two Classes of Equatorial Magnetotail Dipolarization Fronts Observed by Magnetospheric Multiscale Mission: A Statistical Overview Open
We carried out a statistical study of equatorial dipolarization fronts (DFs) detected by the Magnetospheric Multiscale mission during the full 2017 Earth's magnetotail season. We found that two DF classes are distinguished: class I (74.4%)…
View article: Two classes of equatorial magnetotail dipolarization fronts observed by Magnetospheric Multiscale Mission: A statistical overview
Two classes of equatorial magnetotail dipolarization fronts observed by Magnetospheric Multiscale Mission: A statistical overview Open
We carried out a statistical study of equatorial dipolarization fronts (DFs) detected by the Magnetospheric Multiscale mission (MMS) during the full 2017 Earth’s magnetotail season. We found that two DF classes are distinguished: class I (…
View article: Three-dimensional modelling of the shock–turbulence interaction
Three-dimensional modelling of the shock–turbulence interaction Open
The complex interaction between shocks and plasma turbulence is extremely important to address crucial features of energy conversion in a broad range of astrophysical systems. We study the interaction between a supercritical, perpendicular…
View article: Disentangling the Spatiotemporal Structure of Turbulence Using Multi-Spacecraft Data
Disentangling the Spatiotemporal Structure of Turbulence Using Multi-Spacecraft Data Open
International audience
View article: On the need for International Solar Terrestrial Program Next (ISTPNext)
On the need for International Solar Terrestrial Program Next (ISTPNext) Open
International audience
View article: Plasma turbulence: Challenges and next transformative steps from the perspective of multi-spacecraft measurements
Plasma turbulence: Challenges and next transformative steps from the perspective of multi-spacecraft measurements Open
Synopsis We recommend to bring into reality the following within the next decade: 1. Measurements from multiple spacecraft covering a 3D volume and simultaneously spanning the MHD to kinetic scales (such as HelioSwarm). 2. Coordination of …