Electron-scale reconnection in three-dimensional shock turbulenceMagnetic reconnection has been observed in the transition region of quasi-parallel shocks. In this work, the particle-in-cell method is used to simulate three-dimensional reconnection in a…J. Ng, L. -J. Chen, N. Bessho et al.·May 3, 2022SaveLearn
Relativistic electron precipitation by EMIC waves: importance of nonlinear resonant effectsRelativistic electron losses in Earth's radiation belts are usually attributed to electron resonant scattering by electromagnetic waves. One of the most important wave mode for such scattering is the…Veronika S. Grach, Anton V. Artemyev, Andrei G. Demekhov et al.·May 1, 2022SaveLearn
Observations of Cross Scale Energy Transfer in the Inner Heliosphere by Parker Solar ProbeThe solar wind, a continuous flow of plasma from the sun, not only shapes the near Earth space environment but also serves as a natural laboratory to study plasma turbulence in conditions that are…Tulasi N. Parashar, William H. Matthaeus·May 1, 2022SaveLearn
Auroral Morphological Changes to the Formation of Auroral Spiral during the Late Substorm Recovery Phase: Polar UVI and Ground All-Sky Camera ObservationsThe ultraviolet imager (UVI) of the Polar spacecraft and an all-sky camera at Longyearbyen contemporaneously detected an auroral vortex structure (so-called "auroral spiral") on 10 January 1997. From…Motoharu Nowada, Yukinaga Miyashita, Noora Partamies et al.·Apr 30, 2022SaveLearn
Electron dynamics in small magnetospheres: insights from global fully-kinetic plasma simulations of planet MercuryThe planet Mercury possesses a small but highly dynamic magnetosphere in which the role and dynamics of electrons are still largely unknown. We aim at modeling the global dynamics of solar wind…Federico Lavorenti, Pierre Henri, Francesco Califano et al.·Apr 30, 2022SaveLearn
Implications from secondary emission from neutral impact on Cassini plasma and dust measurementsWe investigate the role of secondary electron and ion emission from impact of gas molecules on the Cassini Langmuir Probe (RPWS-LP, or LP) measurements in the ionosphere of Saturn. We add a model of…Fredrik Leffe Johansson, Erik Vigren, Jack Hunter Waite et al.·Apr 30, 2022SaveLearn
Structure and fluctuations of a slow ICME sheath observed at 0.5 au by the Parker Solar ProbeSheaths ahead of interplanetary coronal mass ejections (ICMEs) are turbulent heliospheric structures. Knowledge of their structure and fluctuations is important for understanding their…E. K. J. Kilpua, S. W. Good, M. Ala-Lahti et al.·Apr 27, 2022SaveLearn
Switchback Deflections Beyond the Early Parker Solar Probe EncountersSwitchbacks are Aflv\'enic fluctuations in the solar wind, which exhibit large rotations in the magnetic field direction. Observations from Parker Solar Probe's (PSP's) first two solar encounters…R. Laker, T. S. Horbury, L. Matteini et al.·Apr 27, 2022SaveLearn
Scale-Separated Dynamic Mode Decomposition and Ionospheric ForecastingWe present a method for forecasting the foF2 and hmF2 parameters using modal decompositions of ionospheric electron density profile time series. Our method is based on the Dynamic Mode Decomposition…Daniel J. Alford-Lago, Christopher W. Curtis, Alexander T. Ihler et al.·Apr 21, 2022SaveLearn
The role of core and strahlo electrons properties on the whistler heat-flux instability thresholds in the solar windThere is wide observational evidence that electron velocity distribution functions (eVDF) observed in the solar wind generally present enhanced tails and field-aligned skewness. These properties may…Bea Zenteno-Quinteros, Pablo S. Moya·Apr 19, 2022SaveLearn
Pure Interchange Oscillations of Thin Filaments in an Average MagnetosphereThis paper describes magnetospheric waves of very long wavelength in thin magnetic filaments. We consider an average magnetospheric configuration with zero ionospheric conductance and calculate waves…F. R. Toffoletto, R. A. Wolf, J. Derr·Apr 19, 2022SaveLearn
The Heliospheric Ambipolar Potential Inferred from Sunward-Propagating Halo ElectronsWe provide evidence that the sunward-propagating half of the solar wind electron halo distribution evolves without scattering in the inner heliosphere. We assume the particles conserve their total…Konstantinos Horaites, Stanislav Boldyrev·Apr 13, 2022SaveLearn
Minimum-Mass Limits for Streamlined Venus Atmospheric ProbesSmall, expendable drop probes are an attractive method for making measurements in the lower atmosphere of Venus, \,augmenting the capabilities of orbiters or aerial platforms that must remain in the…Jacob S. Izraelevitz, Jeffery L. Hall·Apr 10, 2022SaveLearn
Magneto-inertial range dominated by magnetic helicity in space plasmasMagneto-inertial range dominated by magnetic helicity has been studied using results of numerical simulations, laboratory measurements, solar, solar wind, the Earth's and planets' magnetosphere…A. Bershadskii·Apr 7, 2022SaveLearn
Evidence of changes in the low-latitude plasma drift under IMF Bz coupling: a TIEGCM simulation approachStudy of the dynamic nature of low-latitude ionosphere during geomagnetically disturbed conditions, especially in the EIA and the magnetic equatorial regions are vital for understanding the…Sumanjit Chakraborty·Apr 4, 2022SaveLearn
A Coronal Mass Ejection and Magnetic Ejecta Observed In Situ by STEREO-A and Wind at 55 Angular SeparationWe present an analysis of in situ and remote-sensing measurements of a coronal mass ejection (CME) that erupted on 2021 February 20 and impacted both the Solar TErrestrial RElations Observatory…Noé Lugaz, Tarik M. Salman, Charles J. Farrugia et al.·Mar 30, 2022SaveLearn
Time-Varying Magnetopause Reconnection during Sudden Commencement: Global MHD SimulationsIn response to a solar wind dynamic pressure enhancement, the compression of the magnetosphere generates strong ionospheric signatures and a sharp variation in the ground magnetic field, termed…J. W. B. Eggington, R. T. Desai, L. Mejnertsen et al.·Mar 26, 2022SaveLearn
On the origin of "patchy" energy conversion in electron diffusion regionsDuring magnetic reconnection, field lines interconnect in electron diffusion regions (EDRs). In some EDRs the reconnection and energy conversion rates are controlled by a steady out-of-plane electric…Kevin J. Genestreti, Xiaocan Li, Yi-Hsin Liu et al.·Mar 25, 2022SaveLearn
A Measurement of the Effective Mean-Free-Path of Solar Wind ProtonsWeakly collisional plasmas are subject to nonlinear relaxation processes, which can operate at rates much faster than the particle collision frequencies. This causes the plasma to respond like a…J. T. Coburn, C. H. K. Chen, J. Squire·Mar 24, 2022SaveLearn
Probabilistic prediction of Dst storms one-day-ahead using Full-Disk SoHO ImagesWe present a new model for the probability that the Disturbance storm time (Dst) index exceeds -100 nT, with a lead time between 1 and 3 days. Dst provides essential information about the strength…A. Hu, C. Shneider, A. Tiwari et al.·Mar 21, 2022SaveLearn
A planning tool for optimal three-dimensional formation flight maneuvers of satellites in VLEO using aerodynamic lift and drag via yaw angle deviationsDifferential drag is a promising option to control the relative motion of distributed satellites in the Very Low Earth Orbit regime which are not equipped with dedicated thrusting devices. A major…Constantin Traub, Stefanos Fasoulas, Georg H. Herdrich·Mar 15, 2022SaveLearn
Uncertainties and Design of Active Aerodynamic Attitude Control in Very Low Earth OrbitThis paper discusses the design and the performance achievable with active aerodynamic attitude control in very low Earth orbit, i.e. below 450 km in altitude. A novel real-time algorithm is proposed…Sabrina Livadiotti, Nicholas H. Crisp, Peter C. E. Roberts et al.·Mar 15, 2022SaveLearn
Formation of Coronal Mass Ejection and Post-eruption Flow of Solar Wind on 2010 August 18 eventThe state of the space environment plays a significant role for forecasting of geomagnetic storms produced by disturbances of the solar wind (SW). Coronal mass ejections (CMEs) passing through the…Vladimir Slemzin, Farid Goryaev, Denis Rodkin·Mar 14, 2022SaveLearn
Magnetic Flux Transport Identification of Active Reconnection: MMS Observations in Earth's MagnetosphereMagnetic reconnection plays an important role in converting energy while modifying field topology. This process takes place in varied plasma environments in which the transport of magnetic flux is…Yi Qi, Tak Chu Li, Christopher T. Russell et al.·Mar 13, 2022SaveLearn
A database of MMS bow shock crossings compiled using machine learningIdentifying collisionless shock crossings in data sent from spacecraft has so far been done manually. It is a tedious job that shock physicists have to go through if they want to conduct case studies…A. Lalti, Yu. V. Khotyaintsev, A. P. Dimmock et al.·Mar 9, 2022SaveLearn