Dynamical information flow within the magnetosphere-ionosphere system during magnetic stormsThe direct role of successive intense magnetospheric substorms in injecting/energizing particles into the storm-time ring current is still debated and controversial. Whereas in the recent past it has…Mirko Stumpo, Simone Benella, Giuseppe Consolini et al.·Jun 28, 2022SaveLearn
On the Kinetic Theory of Subauroral ArcsWe report on numerical and theoretical investigation of subauroral arcs within strong subauroral ion drifts (SAID)--STEVE and Picket Fence. Their explanation requires the specific suprathermal…Evgeny Mishin, Anatoly Streltsov·Jun 27, 2022SaveLearn
On long-term variations of solar wind parameters and solar activityComparison is carried out of the long term variation of the year averaged solar wind speed and interplanetary scintillation index with the variations of Wolf's numbers and AP indexes of geomagnetic…V. I. Vlasov, R. D. Dagkesamanskii, V. A. Potapov et al.·Jun 24, 2022SaveLearn
Kramers-Moyal analysis of interplanetary magnetic field fluctuations at sub-ion scalesIn the framework of statistical time series analysis of complex dynamics we present a multiscale characterization of solar wind turbulence in the near-Earth environment. The data analysis, based on…Simone Benella, Mirko Stumpo, Giuseppe Consolini et al.·Jun 23, 2022SaveLearn
Preferential Proton over Electron heating from coherent structures during the first perihelion of Parker Solar ProbeThe solar wind undergoes significant heating as it propagates away from the Sun; the exact mechanisms responsible for this heating remain unclear. Using data from the first perihelion of the Parker…Nikos Sioulas, Chen Shi, Zesen Huang et al.·Jun 21, 2022SaveLearn
Electron-driven instabilities in the solar windThe electrons are an essential particle species in the solar wind. They often exhibit non-equilibrium features in their velocity distribution function. These include temperature anisotropies, tails…Daniel Verscharen, Benjamin D. G. Chandran, Elisabetta Boella et al.·Jun 21, 2022SaveLearn
Science through Machine Learning: Quantification of Poststorm Thermospheric CoolingMachine learning (ML) is often viewed as a black-box regression technique that is unable to provide considerable scientific insight. ML models are universal function approximators and - if used…Richard J. Licata, Piyush M. Mehta, Daniel R. Weimer et al.·Jun 12, 2022SaveLearn
The Capacity of Low Earth Orbit Computed using Source-sink ModelingThe increasing number of Anthropogenic Space Objects (ASOs) in Low Earth Orbit (LEO) poses a threat to the safety and sustainability of the space environment. Multiple companies are planning to…Andrea D'Ambrosio, Miles Lifson, Richard Linares·Jun 10, 2022SaveLearn
Listening to the magnetosphere: How best to make ULF waves audibleObservations across the heliosphere typically rely on in situ spacecraft observations producing time-series data. While often this data is analysed visually, it lends itself more naturally to our…Martin O. Archer, Marek Cottingham, Michael D. Hartinger et al.·Jun 9, 2022SaveLearn
First Radar -- CubeSat Transionospheric HF Propagation Observations: Suomi 100 Satellite and EISCAT HF FacilityRadio waves provide a useful diagnostic tool to investigate the properties of the ionosphere because the ionosphere affects the transmission and properties of High Frequency (HF) electromagnetic…Esa Kallio, Antti Kero, Ari-Matti Harri et al.·Jun 4, 2022SaveLearn
Auroral imaging with combined Suomi 100 nanosatellite and ground-based observations: A case studyAuroras can be regarded as the most fascinating manifestation of space weather and they are continuously observed by ground-based and, nowadays more and more, also by space-based measurements.…Esa Kallio, Ari-Matti Harri, Olli Knuuttila et al.·Jun 4, 2022SaveLearn
Unseasonal super ionospheric plasma bubble and scintillations seeded by the 2022 Tonga Volcano Eruption related perturbationsThe Hunga-Tonga volcano eruption at 04:14:45 UT on 15 January 2022 produced various waves propagating globally, disturbing the background atmosphere and ionosphere. Coinciding with the arrival of…Wenjie Sun, Ajith K. K., Guozhu Li et al.·Jun 4, 2022SaveLearn
Voyager 3: A Concept Mission to Interstellar MediumVoyager 3 is a concept mission that sends a space telescope to the interstellar medium in a reasonable amount of time. Voyager 3 would take a direct image of an exoplanet using the solar…Shohreh Abdolrahimi, Burton Yale, Christos C. Tzounis et al.·Jun 4, 2022SaveLearn
A simple ionospheric correction method for radar-based space surveillance systems, with performance assessment on GRAVES dataIonospheric effects degrade the quality of radar data, which are critical for the precision of the satellite ephemeris produced by space surveillance systems; this degradation is especially…Olivier Herscovici-Schiller, Fabien Gachet, Jocelyn Couetdic et al.·May 31, 2022SaveLearn
Alternating emission features in Io's footprint tail: Magnetohydrodynamical simulations of possible causesIo's movement relative to the plasma in Jupiter's magnetosphere creates Alfv\'en waves propagating along the magnetic field lines which are partially reflected along their path. These waves are the…Stephan Schlegel, Joachim Saur·May 31, 2022SaveLearn
Wind--Pellet Shear SailingA propulsion concept in which a spacecraft interacts with high-velocity pellets and the interstellar medium is proposed. The pellets are slower than the spacecraft and are accelerated backwards as…Jeffrey K. Greason, Dmytro Yakymenko, Mathias N. Larrouturou et al.·May 27, 2022SaveLearn
Ensemble simulations of the 12 July 2012 Coronal Mass Ejection with the Constant Turn Flux Rope ModelFlux-rope-based magnetohydrodynamic modeling of coronal mass ejections (CMEs) is a promising tool for the prediction of the CME arrival time and magnetic field at Earth. In this work, we introduce a…Talwinder Singh, Tae K. Kim, Nikolai V. Pogorelov et al.·May 25, 2022SaveLearn
The role of O+ and He+ on the propagation of Kinetic Alfv\'en Waves in the Earth's inner magnetosphereInteractions between plasma particles and electromagnetic waves play a crucial role in the dynamics and regulation of the state of space environments. From plasma physics theory, the characteristics…Pablo S Moya, Bea Zenteno-Quinteros, Iván Gallo-Méndez et al.·May 19, 2022SaveLearn
Multi-Spacecraft Observations of the Evolution of Interplanetary Coronal Mass Ejections Between 0.3 and 2.2 AU: Conjunctions with the Juno SpacecraftWe present a catalogue of 35 interplanetary coronal mass ejections (ICMEs) observed by the Juno spacecraft and at least one other spacecraft during its cruise phase to Jupiter. We identify events…Emma E. Davies, Réka M. Winslow, Camilla Scolini et al.·May 19, 2022SaveLearn
Anisotropic electron heating in turbulence-driven magnetic reconnection in the near-Sun solar windWe perform a high-resolution two-dimensional fully-kinetic numerical simulation of a turbulent plasma system with observation-driven conditions, in order to investigate the interplay between…Luca Franci, Emanuele Papini, Alfredo Micera et al.·May 18, 2022SaveLearn
Cross helicity of interplanetary coronal mass ejections at 1 auInterplanetary coronal mass ejections (ICMEs) contain magnetic field and velocity fluctuations across a wide range of scales. These fluctuations may be interpreted as Alfv\'enic wave packets…S. W. Good, L. M. Hatakka, M. Ala-Lahti et al.·May 16, 2022SaveLearn
Particle acceleration in an MHD-scale system of multiple current sheetsWe investigate particle acceleration in an MHD-scale system of multiple current sheets by performing 2D and 3D MHD simulations combined with a test particle simulation. The system is unstable for the…M. Nakanotani, G. P. Zank, L. -L. Zhao·May 15, 2022SaveLearn
Global geomagnetic perturbation forecasting using Deep LearningGeomagnetically Induced Currents (GICs) arise from spatio-temporal changes to Earth's magnetic field which arise from the interaction of the solar wind with Earth's magnetosphere, and drive…Vishal Upendran, Panagiotis Tigas, Banafsheh Ferdousi et al.·May 12, 2022SaveLearn
Direct kinetic Alfv\'en wave energy cascade in the presence of imbalanceA two-field Hamiltonian gyrofluid model for kinetic Alfv\'en waves retaining ion finite Larmor radius corrections and parallel magnetic field fluctuations is used to study direct turbulent cascades…T. Passot, P. L. Sulem, D. Laveder·May 6, 2022SaveLearn
Thin current sheet formation: comparison between Earth's magnetotail and coronal streamersMagnetic field line reconnection is a universal plasma process responsible for the magnetic field topology change and magnetic field energy dissipation into charged particle heating and acceleration.…Anton Artemyev, Victor Reville, Ivan Zimovets et al.·May 4, 2022SaveLearn