Comparing the Properties of ICME-Induced Forbush Decreases at Earth and MarsForbush decreases (FDs), which are short-term drops in the flux of galactic cosmic rays, are caused by the shielding from strong and/or turbulent magnetic structures in the solar wind, especially…Johan L. Freiherr von Forstner, Jingnan Guo, Robert F. Wimmer-Schweingruber et al.·Mar 6, 2020SaveLearn
Dependence of Intensities of Major Geomagnetic Storms (Dst -100 nT) on Associated Solar Wind ParametersA geomagnetic storm is the result of sustained interaction between solar wind with a southward magnetic field and the magnetosphere. To investigate the influence of various solar wind parameters on…Gui-Ming Le, Gui-Ang Liu, Ming-Xian Zhao·Mar 6, 2020SaveLearn
Multi-scale coupling during magnetopause reconnection: the interface between the electron and ion diffusion regionsMagnetospheric Multiscale (MMS) encountered the primary low-latitude magnetopause reconnection site when the inter-spacecraft separation exceeded the upstream ion inertial length. Classical…K. J. Genestreti, Y. -H. Liu, T. -D. Phan et al.·Mar 6, 2020SaveLearn
Electron Heating in Perpendicular Low-Beta ShocksCollisionless shocks heat electrons in the solar wind, interstellar blast waves, and hot gas permeating galaxy clusters. How much shock heating goes to electrons instead of ions, and what plasma…Aaron Tran, Lorenzo Sironi·Feb 25, 2020SaveLearn
Magnetic twist profile inside magnetic clouds derived with a superposed epoch analysisMagnetic clouds (MCs) are large-scale interplanetary transient structures in the heliosphere that travel from the Sun into the interplanetary medium. The internal magnetic field lines inside the MCs…V. Lanabere, S. Dasso, P. Démoulin et al.·Feb 25, 2020SaveLearn
Application of a Modified Spheromak Model to Simulations of Coronal Mass Ejection in the Inner HeliosphereThe magnetic fields of interplanetary coronal mass ejections (ICMEs), which originate close to the Sun in the form of a flux rope, determine their geoeffectiveness. Therefore, robust flux rope-based…Talwinder Singh, Tae K. Kim, Nikolai V. Pogorelov et al.·Feb 24, 2020SaveLearn
Interplanetary drivers of the magnetospheric disturbances: A brief review of incorrect approachesOne of the most promising areas of research in solar-terrestrial physics is the comparison of the responses of the magnetosphere-ionosphere-atmosphere system to various interplanetary disturbances…Yuri Yermolaev, Irina Lodkina, Lidia Dremukhina et al.·Feb 21, 2020SaveLearn
Evolution of the Earth's Magnetosheath Turbulence: A statistical study based on MMS observationsComposed of shocked solar wind, the Earth's magnetosheath serves as a natural laboratory to study the transition of turbulence from low Alfv\'en Mach number, MA, to high MA.…Hui Li, Wence Jiang, Chi Wang et al.·Feb 20, 2020SaveLearn
Shock Drift Acceleration of Ions in an Interplanetary Shock Observed by MMSAn interplanetary (IP) shock wave was recorded crossing the Magnetospheric Multiscale (MMS) constellation on 2018 January 8. Plasma measurements upstream of the shock indicate efficient proton…E. L. M. Hanson, O. V. Agapitov, I. Y. Vasko et al.·Feb 19, 2020SaveLearn
Electron acceleration by magnetosheath jet-driven bow wavesMagnetosheath jets are localized fast flows with enhanced dynamic pressure. When they supermagnetosonically compress the ambient magnetosheath plasma, a bow wave or shock can form ahead of them. Such…Terry Z. Liu, Heli Hietala, Vassilis Angelopoulos et al.·Feb 18, 2020SaveLearn
Statistical study of magnetosheath jet-driven bow wavesWhen a magnetosheath jet (localized dynamic pressure enhancements) compresses ambient magnetosheath at a (relative) speed faster than the local magnetosonic speed, a bow wave or shock can form ahead…Terry Z. Liu, Heli Hietala, Vassilis Angelopoulos et al.·Feb 18, 2020SaveLearn
On the Interaction of Galactic Cosmic Rays with Heliospheric Shocks During Forbush DecreasesForbush decreases (FDs) are depletions in the galactic cosmic ray (GCR) count rate that last typically for about a week and can be caused by coronal mass ejections (CMEs) or corotating interacting…Anamarija Kirin, Bojan Vršnak, Mateja Dumbović et al.·Feb 13, 2020SaveLearn
Bayesian inference of quasi-linear radial diffusion parameters using Van Allen ProbesThe Van Allen radiation belts in the magnetosphere have been extensively studied using models based on radial diffusion theory, which is based on a quasi-linear approach with prescribed inner and…Rakesh Sarma, Mandar Chandorkar, Irina Zhelavskaya et al.·Feb 7, 2020SaveLearn
Kinetic models of tangential discontinuities in the solar windKinetic-scale current sheets observed in the solar wind are frequently approximately force-free despite the fact that their plasma β is of the order of one. In-situ measurements have recently…T. Neukirch, I. Y. Vasko, A. V. Artemyev et al.·Jan 30, 2020SaveLearn
Spacecraft Swarm Dynamics and Control About AsteroidsThis paper presents a novel methodology to control spacecraft swarms about singleasteroids with arbitrary gravitational potential coefficients. This approach enablesthe use of small, autonomous swarm…Corinne Lippe, Simone D'Amico·Jan 28, 2020SaveLearn
On the properties of solar energetic particle events associated with metric type II radio burstsMetric type II solar radio bursts and solar energetic particles (SEPs) are both associated with shock fronts driven by coronal mass ejections (CMEs) in the solar corona. Recent studies of ground…Pertti Mäkelä, Nat Gopalswamy, Hong Xie et al.·Jan 28, 2020SaveLearn
Electron energy partition across interplanetary shocks: III. AnalysisAnalysis of model fit results of 15,210 electron velocity distribution functions (VDFs), observed within 2 hours of 52 interplanetary (IP) shocks by the Wind spacecraft near 1 AU, is presented…L. B. Wilson, Li-Jen Chen, Shan Wang et al.·Jan 24, 2020SaveLearn
In-situ switchback formation in the expanding solar windRecent near-sun solar-wind observations from Parker Solar Probe have found a highly dynamic magnetic environment, permeated by abrupt radial-field reversals, or "switchbacks." We show that many…Jonathan Squire, Benjamin D. G. Chandran, Romain Meyrand·Jan 23, 2020SaveLearn
The Radial Dependence of Proton-scale Magnetic Spectral Break in Slow Solar Wind during PSP Encounter 2Magnetic field fluctuations in the solar wind are commonly observed to follow a power law spectrum. Near proton-kinetic scales, a spectral break occurs which is commonly interpreted as a transition…Die Duan, Trevor A. Bowen, Christopher H. K. Chen et al.·Jan 22, 2020SaveLearn
Dependence of ion temperatures on alpha-proton differential flow vector and heating mechanisms in the solar windAccording to Wind observations between June 2004 and May 2019, this Letter investigates the proton and alpha particle temperatures in the space of (θd, Vd/VA) for the first time,…G. Q. Zhao, H. Q. Feng, D. J. Wu et al.·Jan 20, 2020SaveLearn
The effect of drifts on the decay phase of SEP eventsWe study the effect of the magnetic gradient and curvature drifts on the pitch-angle dependent transport of solar energetic particles (SEPs), focusing on 3 - 36 MeV protons. By considering observers…Nicolas Wijsen, Angels Aran, Blai Sanahuja et al.·Jan 14, 2020SaveLearn
Magnetohydrodynamic with embedded particle-in-cell simulation of the Geospace Environment Modeling dayside kinetic processes challenge eventWe use the MHD with embedded particle-in-cell model (MHD-EPIC) to study the Geospace Environment Modeling (GEM) dayside kinetic processes challenge event at 01:50-03:00 UT on 2015-11-18, when the…Yuxi Chen, Gabor Toth, Heli Hietala et al.·Jan 13, 2020SaveLearn
Magnitude and direction of the local interstellar magnetic field inferred from Voyager 1 and 2 interstellar data and global heliospheric modelIn this Letter, we provide constraints on the direction and magnitude of the pristine (i.e., unperturbed by the interaction with the Sun) local interstellar magnetic field. The constraints are based…Vladislav V. Izmodenov, Dmitry B. Alexashov·Jan 9, 2020SaveLearn
Performance of NavIC for studying the ionosphere at an EIA region in IndiaThis paper emphasizes on NavIC's performance in ionospheric studies over the Indian subcontinent region. The study is performed using data of one year (2017-18) at IIT Indore, a location near the…Deepthi Ayyagari, Sumanjit Chakraborty, Saurabh Das et al.·Jan 9, 2020SaveLearn
Global Prompt Proton Sensor Network: Monitoring Solar Energetic Protons based on GPS Satellite ConstellationEnergetic particle instruments on board GPS satellites form a powerful global prompt proton sensor network (GPPSn) that provides an unprecedented opportunity to monitor and characterize solar…Yue Chen, Steven K. Morley, Matthew R. Carver·Jan 8, 2020SaveLearn