Observations of high definition symmetric quasi-periodic oscillations in the mid-latitude ionosphere with LOFARWe present broadband ionospheric scintillation observations of highly defined symmetric quasi-periodic oscillations (QPO: Maruyama 1991) caused by plasma structures in the midlatitude ionosphere…Hannah Trigg, Gareth Dorrian, Ben Boyde et al.·Dec 7, 2023SaveLearn
Jovian electrons in the inner heliosphere: Opportunities for Multi-spacecraft Observations and ModelingIn this paper we explore the idea of using multi-spacecraft observations of Jovian electrons to measure the 3D distribution of these particles in the inner heliosphere. We present simulations of…R. D. Strauss, N. Dresing, N. E. Engelbrecht et al.·Dec 6, 2023SaveLearn
Triggering the magnetopause reconnection by solar wind discontinuitiesMagnetic reconnection is one of the most universal processes in space plasma that is responsible for charged particle acceleration, mixing and heating of plasma populations. In this paper we consider…Alexander Lukin, Zhifang Guo, Yu Lin et al.·Dec 6, 2023SaveLearn
Characterization of the M1 and M2 layers in the undisturbed Martian ionosphere through solar minimum leading to solar maximum with MAVEN ROSEWe utilize data from the MAVEN Radio Occultation Science Experiment (Withers et al., 2020) - with unprecedented coverage in solar zenith angle - to isolate the effects that local time and season…Jennifer Segale, Marianna Felici, Paul Withers et al.·Dec 1, 2023SaveLearn
Properties of Mars' Dayside Low-Altitude Induced Magnetic Field and Comparisons with VenusOur research objective is to characterize Mars' low-altitude (250 km) induced magnetic fields using data from NASA's MAVEN (Mars Atmosphere and Volatile EvolutioN) Mission. We aim to assess how the…Susanne Byrd, Zachary Girazian·Nov 30, 2023SaveLearn
Ion Dynamics Across a Low Mach Number Bow ShockA thorough understanding of collisionless shocks requires knowledge of how different ion species are accelerated across the shock. We investigate a bow shock crossing using the Magnetospheric…D. B. Graham, Yu. V. Khotyaintsev, A. P. Dimmock et al.·Nov 19, 2023SaveLearn
Unveiling plasma energization and energy transport in the Earth Magnetospheric System: the need for future coordinated multiscale observationsEnergetic 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…A. Retino, L. Kepko, H. Kucharek et al.·Nov 16, 2023SaveLearn
A Machine Learning Approach to Understanding the Physical Properties of Magnetic Flux Ropes in the Solar Wind at 1 AUInterplanetary magnetic flux ropes (MFRs) are commonly observed structures in the solar wind, categorized as magnetic clouds (MCs) and small-scale MFRs (SMFRs) depending on whether they are…Hameedullah Farooki, Yasser Abduallah, Sung Jun Noh et al.·Nov 15, 2023SaveLearn
High-Cadence Thermospheric Density Estimation enabled by Machine Learning on Solar ImageryAccurate estimation of thermospheric density is critical for precise modeling of satellite drag forces in low Earth orbit (LEO). Improving this estimation is crucial to tasks such as state…Shreshth A. Malik, James Walsh, Giacomo Acciarini et al.·Nov 12, 2023SaveLearn
A Closer Look at Small-Scale Magnetic Flux Ropes in the Solar Wind at 1 AU: Results from Improved Automated DetectionSmall-scale interplanetary magnetic flux ropes (SMFRs) are similar to ICMEs in magnetic structure, but are smaller and do not exhibit ICME plasma signatures. We present a computationally efficient…Hameedullah Farooki, Sung Jun Noh, Jeongwoo Lee et al.·Nov 12, 2023SaveLearn
Multi-scale observation of magnetotail reconnection onset: 2. microscopic dynamicsWe analyze the local dynamics of magnetotail reconnection onset using Magnetospheric Multiscale (MMS) data. In conjunction with MMS, the macroscopic dynamics of this event were captured by a number…K. J. Genestreti, C. Farrugia, S. Lu et al.·Nov 9, 2023SaveLearn
Multi-scale observation of magnetotail reconnection onset: 1. macroscopic dynamicsWe analyze a magnetotail reconnection onset event on 3 July 2017 that was observed under otherwise quiescent magnetospheric conditions by a fortuitous conjunction of six space and ground-based…K. J. Genestreti, C. Farrugia, S. Lu et al.·Nov 9, 2023SaveLearn
Relativistic electron precipitation events driven by solar wind impact on the Earth's magnetosphereCertain forms of solar wind transients contain significant enhancements of dynamic pressure and may effectively drive magnetosphere dynamics, including substorms and storms. An integral element of…Alexandra Roosnovo, Anton V. Artemyev, Xiao-Jia Zhang et al.·Nov 4, 2023SaveLearn
Global-MHD Simulations using MagPIE : Impact of Flux Transfer Events on the IonosphereThis study presents a recently developed two-way coupled magnetosphere-ionosphere model named MagPIE that enables the investigation of the impact of flux transfer events (FTEs) on the ionosphere. Our…Arghyadeep Paul, Antoine Strugarek, Bhargav Vaidya·Nov 2, 2023SaveLearn
Solar Magnetic Polarity Effect on Neutron Monitor Count Rates: Comparing Latitude Surveys and Antarctic StationsThe Galactic cosmic ray spectrum manifests pronounced variations over the 11-year sunspot cycle and more subtle variations over the 22-year solar magnetic cycle. An important tool to study these…K. Poopakun, W. Nuntiyakul, S. Khamphakdee et al.·Oct 23, 2023SaveLearn
Multi-Spacecraft Magnetic Field Reconstructions: A Cross-Scale Comparison of MethodsSpace plasma studies frequently use in situ magnetic field measurements taken from many spacecraft simultaneously. A useful data product of these measurements is the reconstructed magnetic field in a…T. Broeren, K. G. Klein, J. M. TenBarge·Oct 20, 2023SaveLearn
Spacecraft Charging of the Moraz\'an MRZ-SAT Satellite in Low Earth Orbit: Initial Results on the Influence of Energetic Electron Anisotropy on Differential ChargingThe advent of the modular CubeSat satellite architecture has heralded a revolution in satellite missions, drastically lowering the technical and financial barriers to space. Surface charging…Raphael Bertrand-Delgado, Ravindra Desai, Fernando Zorto-Aguilera et al.·Oct 18, 2023SaveLearn
Irregular proton injection to high energies at interplanetary shocksHow thermal particles are accelerated to suprathermal energies is an unsolved issue, crucial for many astrophysical systems. We report novel observations of irregular, dispersive enhancements of the…Domenico Trotta, Timothy S. Horbury, David Lario et al.·Oct 17, 2023SaveLearn
The effect of magnetic field line topology on ICME-related GCR modulationThe large-scale magnetic structure of interplanetary coronal mass ejections (ICMEs) has been shown to affect the galactic cosmic ray (GCR) flux measured in situ by spacecraft, causing temporary…Emma E. Davies, Camilla Scolini, Réka M. Winslow et al.·Oct 17, 2023SaveLearn
The effect of solar wind on the charged particles' diffusion coefficientsThe transport of energetic charged particles through magnetized plasmas is ubiquitous in interplanetary space and astrophysics, and the important physical quantities are the along-field and…J. F. Wang, G. Qin·Oct 13, 2023SaveLearn
Backstreaming ions at a high Mach number interplanetary shock: Solar Orbiter measurements during the nominal mission phaseSolar Orbiter, a mission developed by the European Space Agency, explores in situ plasma across the inner heliosphere while providing remote-sensing observations of the Sun. Our study examines…Andrew P. Dimmock, Michael Gedalin, Ahmad Lalti et al.·Oct 13, 2023SaveLearn
Platform and environment requirements of a satellite quantum test of the Weak Equivalence Principle at the 10-17 levelThe Space Time Explorer and QUantum Equivalence principle Space Test (STE-QUEST) recently proposed, aims at performing a precision test of the weak equivalence principle (WEP), a fundamental…Christian Struckmann, Robin Corgier, Sina Loriani et al.·Oct 6, 2023SaveLearn
Cassini's floating potential in Titan's ionosphere: 3-D Particle-In-Cell SimulationsAccurate determination of Cassini's spacecraft potential in Titan's ionosphere is important for interpreting measurements by its low energy plasma instruments. Estimates of the floating potential…Zeqi Zhang, Ravindra Desai, Oleg Shebanits et al.·Oct 4, 2023SaveLearn
The Structure of the warped Io Plasma Torus constrained by the Io FootprintStandard models of force balance along Jovian field lines predict the location of the Io plasma torus to be the centrifugal equator of Jupiter's magnetosphere, i.e. the position along the magnetic…Stephan Schlegel, Joachim Saur·Sep 28, 2023SaveLearn
Thin current sheets in the magnetotail at lunar distances: statistics of ARTEMIS observationsThe magnetotail current sheet's spatial configuration and stability control the onset of magnetic reconnection - the driving process for magnetospheric substorms. The near-Earth current sheet has…S. R. Kamaletdinov, A. V. Artemyev, A. Runov et al.·Sep 28, 2023SaveLearn