Parker Solar Probe Observations of High Plasma Beta Solar Wind from Streamer BeltIn general, slow solar wind from the streamer belt forms a high plasma beta equatorial plasma sheet around the heliospheric current sheet (HCS) crossing, namely the heliospheric plasma sheet (HPS).…Jia Huang, J. C. Kasper, Davin E. Larson et al.·Feb 14, 2023SaveLearn
An analysis tool for collision avoidance manoeuvres using aerodynamic dragAerodynamic collision avoidance manoeuvres provide an opportunity for satellites in Low Earth Orbits to reduce the risk during close encounters. With rising numbers of satellites and objects in…F. Turco, C. Traub, S. Gaißer et al.·Feb 14, 2023SaveLearn
Impact of Intense Geomagnetic Storm on NavIC Signals Over IndoreIntense geomagnetic storms can have a strong impact on the signals (termed ionospheric scintillations) emitted by any global navigation satellite system (GNSS). The paper reports the first studies of…Deepthi Ayyagari, Sumanjit Chakraborty, Abhirup Datta et al.·Feb 13, 2023SaveLearn
An ANN Approach in Predicting Solar and Geophysical Indices from Ionospheric TEC Over IndoreIn this paper, preliminary results from the artificial neural network (ANN) based model developed at IIT Indore has been presented. One year's hourly total electron content (TEC) database has been…Sumanjit Chakraborty, Abhirup Datta·Feb 13, 2023SaveLearn
Study of Low-latitude Ionospheric Scintillation using NavICEquatorial ionospheric irregularities have been studied in the past and have produced interesting insights into ionospheric physics and processes. Here, we present the initial results of a long-term…Sumanjit Chakraborty, Abhirup Datta·Feb 13, 2023SaveLearn
Improving the Arrival Time Estimates of Coronal Mass Ejections by Using Magnetohydrodynamic Ensemble Modeling, Heliospheric Imager data, and Machine LearningThe arrival time prediction of Coronal mass ejections (CMEs) is an area of active research. Many methods with varying levels of complexity have been developed to predict CME arrival. However, the…Talwinder Singh, Bernard Benson, Syed A. Z. Raza et al.·Feb 11, 2023SaveLearn
Nowcasting Geoelectric Fields in Ireland using Magnetotelluric Transfer FunctionsGeomagnetically induced currents (GIC) driven by geoelectric fields pose a hazard to ground-based infrastructure, such as power grids and pipelines. Here, a new method is presented for modelling…John Malone-Leigh, Joan Campanyà, Peter T. Gallagher et al.·Feb 10, 2023SaveLearn
Auroral Kilometric Radiation -- the Electron Cyclotron Maser ParadigmAuroral kilometric radiation (AKR) is the paradigm of intense radio emission from planetary magnetospheres. Being close to the electron gyro frequency and/or its lower harmonics, its observation…W. Baumjohann, R. A. Treumann·Feb 5, 2023SaveLearn
Hybrid-Vlasov simulation of soft X-ray emissions at the Earth's dayside magnetospheric boundariesSolar wind charge exchange produces emissions in the soft X-ray energy range which can enable the study of near-Earth space regions such as the magnetopause, the magnetosheath and the polar cusps by…Maxime Grandin, Hyunju K. Connor, Sanni Hoilijoki et al.·Jan 30, 2023SaveLearn
Transient Foreshock Structures Upstream of Mars: Implications of the Small Martian Bow ShockWe characterize the nature of magnetic structures in the foreshock region of Mars associated with discontinuities in the solar wind. The structures form at the upstream edge of moving foreshocks…H. Madanian, N. Omidi, D. G. Sibeck et al.·Jan 26, 2023SaveLearn
Long-Term Density Trend in the Mesosphere and Lower Thermosphere from Occultations of the Crab Nebula with X-Ray Astronomy SatellitesWe present long-term density trends of the Earth's upper atmosphere at altitudes between 71 and 116 km, based on atmospheric occultations of the Crab Nebula observed with X-ray astronomy satellites,…Satoru Katsuda, Teruaki Enoto, Andrea N. Lommen et al.·Jan 25, 2023SaveLearn
The Structure and Origin of Switchbacks: Parker Solar Probe ObservationsSwitchbacks are rapid magnetic field reversals that last from seconds to hours. Current Parker Solar Probe (PSP) observations pose many open questions in regard to the nature of switchbacks. For…Jia Huang, J. C. Kasper, L. A. Fisk et al.·Jan 25, 2023SaveLearn
Fast Ion Isotropization by Current Sheet Scattering in Magnetic Reconnection JetsWe present a statistical analysis of ion distributions in magnetic reconnection jets using data from the Magnetospheric Multiscale spacecraft. Compared with the quiet plasma in which the jet…L. Richard, Yu. V. Khotyaintsev, D. B. Graham et al.·Jan 24, 2023SaveLearn
Global asymmetry in variations during the 06 April 2000 geomagnetic storm: Relative roles of IMF Bz and ByThis investigation is directed to understand the asymmetry in variations caused due to the relative roles played by IMF Bz and IMF By in a particular interval (22:22 - 22:55 UT), during the…Sumanjit Chakraborty, D. Chakrabarty·Jan 24, 2023SaveLearn
First 3D hybrid-Vlasov global simulation of auroral proton precipitation and comparison with satellite observationsThe precipitation of charged particles from the magnetosphere into the ionosphere is one of the crucial coupling mechanisms between these two regions of geospace and is associated with multiple space…Maxime Grandin, Thijs Luttikhuis, Markus Battarbee et al.·Jan 16, 2023SaveLearn
On the evolution of the Anisotropic Scaling of Magnetohydrodynamic Turbulence in the Inner HeliosphereWe analyze a merged Parker Solar Probe (PSP) and Solar Orbiter (SO) dataset covering heliocentric distances 13 \ R R 220 R to investigate the radial…Nikos Sioulas, Marco Velli, Zesen Huang et al.·Jan 10, 2023SaveLearn
Force-free current sheets in the Jovian magnetodisk: the key role of electron field-aligned anisotropyCurrent sheets are an essential element of the planetary magnetotails, where strong plasma currents self-consistently support magnetic field gradients. The current sheet configuration is determined…A. V. Artemyev, Q. Ma, R. W. Ebert et al.·Jan 10, 2023SaveLearn
Interplanetary Rapid Transit Missions from Earth to Mars using Directed Laser Energy Driven Light SailsInterest in the exploration of, and the establishment of a human settlement, on Mars is rapidly growing. To achieve this, rapid transit will be required to bring crucial cargo. Current missions to…Madhukarthik Mohanalingam, Christopher Carr·Jan 5, 2023SaveLearn
The polytropic behavior of Solar Wind protons as observed by Ulysses spacecraft during Solar minimumWe analyze proton bulk parameters derived from Ulysses observations and investigate the polytropic behavior of solar wind protons over a wide range of heliocentric distances and latitudes. The…Georgios Nicolaou, George Livadiotis, David J. McComas·Dec 29, 2022SaveLearn
Forbush decrease observed by SEVAN particle detector network on November 4, 2021On November 3-4 2021, an interplanetary coronal mass injection (ICME) hits the magnetosphere, sparking a strong G3-class geomagnetic storm and auroras as far south as California and New Mexico. All…A. Chilingarian, G. Hovsepyan, H. Martoyan et al.·Dec 27, 2022SaveLearn
Space Weather: From Solar Origins to Risks and Hazards Evolving in TimeSpace Weather is the portion of space physics that has a direct effect on humankind. Space Weather is an old branch of space physics that originates back to 1808 with the publication of a paper by…Natalia Buzulukova, Bruce Tsurutani·Dec 22, 2022SaveLearn
Space Plasma Physics Science Opportunities for the Lunar Orbital Platform -GatewayThe Lunar Orbital Platform-Gateway (LOP-Gateway, or simply Gateway) is a crewed platform that will be assembled and operated in the vicinity of the Moon by NASA and international partner…Iannis Dandouras, Matt G G T Taylor, Johan de Keyser et al.·Dec 20, 2022SaveLearn
Turbulence, intermittency and cross-scale energy transfer in an interplanetary coronal mass ejectionSolar wind measurements carried out by NASA's Wind spacecraft before, during and after the passing of an interplanetary coronal mass ejection (ICME) detected on 12-14 September 2014 have been used in…Roque Márquez Rodríguez, Luca Sorriso-Valvo, Emiliya Yordanova·Dec 13, 2022SaveLearn
Characterizing ICME-related Forbush Decreases at Mercury using MESSENGER Observations: Identification of a One or Two-Step StructureThe large-scale magnetic structure of interplanetary coronal mass ejections (ICMEs) has been shown to cause decreases in the galactic cosmic ray (GCR) flux measured in situ by spacecraft, known as…Emma E. Davies, Réka M. Winslow, David J. Lawrence·Dec 6, 2022SaveLearn
Design and performance of a Martian autonomous navigation system based on a smallsat constellationDeciphering the genesis and evolution of the Martian polar caps can provide crucial understanding of Mars' climate system. The growing scientific interest for the exploration of Mars at high…S. Molli, D. Durante, G. Boscagli et al.·Dec 3, 2022SaveLearn