Cold and warm electrons at comet 67PStrong electron cooling on the neutral gas in cometary comae has been predicted for a long time, but actual measurements of low electron temperature are scarce. We present in situ measurements of…A. I. Eriksson, I. A. D. Engelhardt, M. Andre et al.·May 24, 2017SaveLearn
Dynamics in the vicinity of (101955) Bennu: Solar radiation pressure effects in equatorial orbitsHere we study the dynamical effects of the solar radiation pressure (SRP) on a spacecraft that will survey the near-Earth rotating asteroid (101955) Bennu when the projected shadow is accounted for.…T. G. G. Chanut, S. Aljbaae, A. F. B. A. Prado et al.·May 23, 2017SaveLearn
Nature of Kinetic Scale Turbulence in the Earth's MagnetosheathWe present a combined observational and theoretical analysis to investigate the nature of plasma turbulence at kinetic scales in the Earth's magnetosheath. In the first decade of the kinetic…C. H. K. Chen, S. Boldyrev·May 23, 2017SaveLearn
The Rafita asteroid familyThe Rafita asteroid family is an S-type group located in the middle main belt, on the right side of the 3J:-1A mean-motion resonance. The proximity of this resonance to the family left side in…S. Aljbaae, V. Carruba, J. R. Masiero et al.·May 23, 2017SaveLearn
Contribution of solar hydrogen Lyα line emission in total ionization rate in ionospheric D-region during the maximum of solar X-flareThe solar Lyα line emission can be considered as the dominant source of ionization processes in the ionospheric D-region at altitudes above 70 km during unperturbed conditions. However, large sudden…Aleksandra Nina, Vladimir M. Čadež, Jovan Bajčetić·May 22, 2017SaveLearn
Two mechanisms of stratospheric ozone loss in the Northern Hemisphere, studied using data assimilation of Odin/SMR atmospheric observationsObservations from the Odin/Sub-Millimetre Radiometer (SMR) instrument have been assimilated into the DIAMOND model (Dynamic Isentropic Assimilation Model for OdiN Data), in order to estimate the…Kazutoshi Sagi, Kristell Pérot, Donal Murtagh et al.·May 22, 2017SaveLearn
Dayside and nightside magnetic field responses at 780 km altitude to dayside reconnectionDuring southward interplanetary magnetic field, dayside reconnection will drive the Dungey cycle in the magnetosphere, which is manifested as a two-cell convection pattern in the ionosphere. We…K. Snekvik, N. Østgaard, P. Tenfjord et al.·May 22, 2017SaveLearn
Modelling the descent of nitric oxide during the elevated stratopause event of January 2013Using simulations with a whole-atmosphere chemistry-climate model nudged by meteorological analyses, global satellite observations of nitrogen oxide (NO) and water vapour by the Sub-Millimetre…Yvan J. Orsolini, Varavut Limpasuvan, Kristell Pérot et al.·May 16, 2017SaveLearn
Characterizing the ionospheric current pattern response to southward and northward IMF turnings with dynamical SuperMAG correlation networksWe characterize the response of the quiet time (no substorms or storms) large-scale ionospheric transient equivalent currents to north-south and south-north IMF turnings by using a dynamical network…J. Dods, S. C. Chapman, J. W. Gjerloev·May 16, 2017SaveLearn
Heliospheric modulation of cosmic rays during the neutron monitor era: Calibration using PAMELA data for 2006--2010A new reconstruction of the heliospheric modulation potential for galactic cosmic rays is presented for the neutron monitor era, since 1951. The new reconstruction is based on an updated methodology…Ilya G. Usoskin, Agnieszka Gil, Gennady A. Kovaltsov et al.·May 15, 2017SaveLearn
Modulation of Galactic Cosmic Rays in the Inner Heliosphere, Comparing with PAMELA MeasurementsWe develop a numerical model to study the time-dependent modulation of galactic cosmic rays (GCRs) in the inner heliosphere. In the model a time-delayed modified Parker heliospheric magnetic field…Gang Qin, Zhenning Shen·May 13, 2017SaveLearn
The Parametric Decay Instability of Alfven waves in Turbulent Plasmas and the Applications in the Solar WindWe perform three dimensional (3D) ideal magnetohydrodynamic (MHD) simulations to study the parametric decay instability of Alfven waves in turbulent plasmas and explore its possible applications in…Mijie Shi, Hui Li, Chijie Xiao et al.·May 10, 2017SaveLearn
Experimental Determination of the Structural Coefficient of Restitution of a Bouncing Asteroid LanderThe structural coefficient of restitution describes the kinetic energy dissipation upon low-velocity (~0.1 m/s) impact of a small asteroid lander, MASCOT, against a hard, ideally elastic plane…Jens Biele, Lars Kesseler, Christian D. Grimm et al.·May 1, 2017SaveLearn
Deflection and Rotation of CMEs from Active Region 11158Between the 13 and 16 of February 2011 a series of coronal mass ejections (CMEs) erupted from multiple polarity inversion lines within active region 11158. For seven of these CMEs we use the…C. Kay, N. Gopalswamy, H. Xie et al.·Apr 25, 2017SaveLearn
A simulation chain for the LAGO Space Weather ProgramWe simulate the expected variations of background flux at two particular sites of the Latin American Giant Observatory (LAGO) and found that these fluxes are sensible to the latitude and that…Hernan Asorey, Luis A. Núñez, Mauricio Suárez-Durán·Apr 25, 2017SaveLearn
Multiple Cell Upset Partitioning for Simulation of Soft Error Rates in Space Systems with Error Correcting CodesA self-consistent procedure for the ion-induced soft error rate calculation in space environment taking into account Error Correcting Codes is proposed. The method is based on the partitioning of the…Gennady I. Zebrev, Artur M. Galimov, Liza V. Mrozovskaya et al.·Apr 24, 2017SaveLearn
Geant4 Assisted Monte Carlo Prediction of Space Proton-Induced Soft Error Rate Based on Heavy Ion Testing DataA procedure of space proton-induced Soft Error Rate calculation based on heavy ion testing data is proposed. The approach relies on Geant4-assisted Monte Carlo simulation of the secondary particle…Artur M. Galimov, Regina M. Galimova, Gennady I. Zebrev·Apr 24, 2017SaveLearn
Spectral Scaling Technique to Determine Extreme Carrington-level Geomagnetically Induced Currents EffectsSpace weather events produce variations in the electric current in the Earth's magnetosphere and ionosphere. From these high altitude atmospheric regions, resulting geomagnetically induced…Lisa M. Winter, Jennifer Gannon, Rick Pernak et al.·Apr 20, 2017SaveLearn
Seven Years of Imaging the Global Heliosphere with IBEXThe Interstellar Boundary Explorer (IBEX) has now operated in space for 7 years and returned nearly continuous observations that have led to scientific discoveries and reshaped our entire…D. J. McComas, E. J. Zirnstein, M. Bzowski et al.·Apr 20, 2017SaveLearn
A Parametric Investigation on the Cyclotron Maser Instability Driven by Ring-beam Electrons with Intrinsic Alfvén WavesThe electron-cyclotron maser is a process that generates intense and coherent radio emission in plasma. In this paper, we present a comprehensive parametric investigation on the…Zi-Jin Tong, Chuan-Bing Wang, Pei-Jin Zhang et al.·Apr 19, 2017SaveLearn
Global three-dimensional simulation of Earth's dayside reconnection using a two-way coupled magnetohydrodynamics with embedded particle-in-cell model: initial resultsWe perform a three-dimensional (3D) global simulation of Earth's magnetosphere with kinetic reconnection physics to study the flux transfer events (FTEs) and dayside magnetic reconnection with…Yuxi Chen, Gabor Toth, Paul Cassak et al.·Apr 12, 2017SaveLearn
Numerical simulations of particle acceleration at interplanetary quasi-perpendicular shocksUsing test particle simulations we study particle acceleration at highly perpendicular (θBn≥ 75) shocks under conditions of modeling magnetic turbulence. We adopt a backward-in-time…F. -J. Kong, G. Qin, L. -H. Zhang·Apr 10, 2017SaveLearn
Astroparticle Techniques: Simulating Cosmic Rays induced Background Radiation on AircraftsIncident cosmic ray fluxes over flying aircrafts are compared with those in Bucaramanga, Colombia and very significant differences are observed for proton and neutron fluxes. We also obtained that…H. Asorey, L. A. Núñez, C. Y. Pérez Arias et al.·Apr 8, 2017SaveLearn
Turbulence in Three-Dimensional Simulations of Magnetopause ReconnectionWe present detailed analysis of the turbulence observed in three-dimensional particle-in-cell simulations of magnetic reconnection at the magnetopause. The parameters are representative of an…L. Price, M. Swisdak, J. F. Drake et al.·Apr 5, 2017SaveLearn
Causal Kinetic Equation of Non-equilibrium PlasmasStatistical plasma theory far from thermal equilibrium is subject to Liouville's equation which is at the base of the BBGKY hierarchical approach to plasma kinetic theory from which in the…R. A. Treumann, W. Baumjohann·Apr 5, 2017SaveLearn