A Galactic Cosmic Ray Electron Spectrum from 2 MeV to 2 TeV That Fits Voyager 5-60 MeV Data at Low Energies and PAMELA and AMS-2 Data at 10 GeV Using an Electron Source Spectrum E-2.25 A Calculation Using a Monte Carlo Diffusion ModelIn this paper we fit the observed galactic cosmic ray electron spectrum from a few MeV to 1 TeV. New data from Voyager from 5-60 MeV beyond the heliopause is used along with high energy data from the…W. R. Webber·Aug 25, 2015SaveLearn
Voyager 2 solar plasma and magnetic field spectral analysis for intermediate data sparsityThe Voyager probes are the furthest, still active, spacecraft ever launched from Earth. During their 38-year trip, they have collected data regarding solar wind properties (such as the plasma…Luca Gallana, Federico Fraternale, Michele Iovieno et al.·Aug 24, 2015SaveLearn
Multi-Spacecraft Measurement of Turbulence within a Magnetic Reconnection JetThe relationship between magnetic reconnection and plasma turbulence is investigated using multipoint in-situ measurements from the Cluster spacecraft within a high-speed reconnection jet in the…K. T. Osman, K. H. Kiyani, W. H. Matthaeus et al.·Aug 17, 2015SaveLearn
Plasma turbulence and kinetic instabilities at ion scales in the expanding solar windThe relationship between a decaying strong turbulence and kinetic instabilities in a slowly expanding plasma is investigated using two-dimensional (2-D) hybrid expanding box simulations. We impose an…Petr Hellinger, Lorenzo Matteini, Simone Landi et al.·Aug 13, 2015SaveLearn
Cosmic Rays Propagation with HelMod: Difference between forward-in-time and backward-in-time approachesThe cosmic rays modulation inside the heliosphere is well described by a transport equation introduced by Parker in 1965. To solve this equation several approaches were followed in the past. Recently…S. Della Torre, P. Bobik, M. J. Boschini et al.·Aug 13, 2015SaveLearn
Interstellar Spectra of Primary Cosmic Ray Nuclei from H through Fe Measured at Voyager and a Comparison with Higher Energy Measurements, An Interpretation of the Spectra from 10 MeVnuc to Over 100 GeVnuc Using a Leaky Box ModelUtilizing new Voyager measurements at lower energies and higher energy spacecraft measurements near the Earth, the interstellar spectra of primary cosmic ray nuclei from H to Fe have now been…W. R. Webber·Aug 6, 2015SaveLearn
Plasma and Magnetic Field Characteristics of Solar Coronal Mass Ejections in Relation to Geomagnetic Storm Intensity and VariabilityThe largest geomagnetic storms of solar cycle 24 so far occurred on 2015 March 17 and June 22 with D st minima of -223 and -195 nT, respectively. Both of the geomagnetic storms show a…Ying D. Liu, Huidong Hu, Rui Wang et al.·Aug 6, 2015SaveLearn
Rayleigh and acoustic gravity waves detection on magnetograms during the Japanese Tsunami, 2011The continuous geomagnetic field survey holds an important potential in future prevention of tsunami damages, and also, it could be used in tsunami forecast. In this work, we were able to detected…Virginia Klausner, Esfhan A. Kherani, Marcio T. A. H. Muella et al.·Aug 3, 2015SaveLearn
Socio-economic hazards and impacts of space weather: the important range between mild and extremeSociety needs to prepare for more severe space weather than it has experienced in the modern technological era. To enable that, we must both quantify extreme-event characteristics and analyze impacts…Carolus J. Schrijver·Jul 31, 2015SaveLearn
Magnetic Field Rotations in the Solar Wind at Kinetic ScalesThe solar wind magnetic field contains rotations at a broad range of scales, which have been extensively studied in the MHD range. Here we present an extension of this analysis to the range between…C. H. K. Chen, L. Matteini, D. Burgess et al.·Jul 28, 2015SaveLearn
Satellite Orbits and Relative Motion in Levi-Civita CoordinatesIn this paper we consider satellite trajectories in central force field with quadratic drag using two formalisms. The first using polar coordinates in which the angular momentum plays a dominant…Mayer Humi·Jul 26, 2015SaveLearn
Magnetosphere-Ionosphere Coupling and Field-Aligned CurrentsIt is presented in this paper a review of one of several interactions between the magnetosphere and the ionosphere through the field-aligned currents (FACs). Some characteristics and physical…D. M. Oliveira·Jul 23, 2015SaveLearn
Impact Angle Control of Interplanetary Shock Geoeffectiveness: A Statistical StudyWe present a survey of interplanetary (IP) shocks using Wind and ACE satellite data from January 1995 to December 2013 to study how IP shock geoeffectiveness is controlled by IP shock impact angles.…D. M. Oliveira, J. Raeder·Jul 10, 2015SaveLearn
Impact Angle Control of Interplanetary Shock GeoeffectivenessWe use OpenGGCM global MHD simulations to study the nightside magnetospheric, magnetotail, and ionospheric responses to interplanetary (IP) fa st forward shocks. Three cases are presented in this…D. M. Oliveira, J. Raeder·Jul 8, 2015SaveLearn
Effects of interplanetary shock inclinations on nightside auroral power intensityWe derive fast forward interplanetary (IP) shock speeds and impact angles to study the geoeffectivness of 461 IP shocks that occurred from January 1995 to December 2013 using ACE and WIND spacecraft…D. M. Oliveira, J. Raeder, B. T. Tsurutani et al.·Jul 8, 2015SaveLearn
Accurately specifying storm-time ULF wave radial diffusion in the radiation beltsUltra-low frequency (ULF) waves can contribute to the transport, acceleration and loss of electrons in the radiation belts through inward and outward diffusion. However, the most appropriate…Stavros Dimitrakoudis, Ian R. Mann, Georgios Balasis et al.·Jul 4, 2015SaveLearn
Spectral breaks of Alfvenic turbulence in a collisionless plasmaRecent observations reveal that magnetic turbulence in the nearly colisionless solar wind plasma extends to scales smaller than the plasma microscales, such as ion gyroradius and ion inertial length.…Stanislav Boldyrev, Christopher H. K. Chen, Qian Xia et al.·Jul 2, 2015SaveLearn
Impact of pickup ions on the shock front nonstationarity and energy dissipation of the heliospheric termination shock: Two-dimensional full particle simulations and comparison with Voyager 2 observationsThe transition between the supersonic solar wind and the subsonic heliosheath, the termination shock (TS), was observed by Voyager 2 (V2) on 2007 August 31-September 1 at a distance of 84 AU from the…Zhongwei Yang, Ying D. Liu, John D Richardson et al.·Jun 29, 2015SaveLearn
The effect of magnetic field modifications on the modulation of cosmic rays in the heliosphereA numerical model for the solar modulation of cosmic rays, based on the solution of a set of stochastic differential equations, is used to illustrate the effects of modifying the heliospheric…J. L. Raath, M. S. Potgieter, R. D. Strauss et al.·Jun 24, 2015SaveLearn
Finite Gyroradius Corrections in the Theory of Perpendicular Diffusion, 1. Suppressed Velocity DiffusionA fundamental problem in plasma physics, space science, and astrophysics is the transport of energetic particles interacting with stochastic magnetic fields. In particular the motion of particles…Andreas Shalchi·Jun 23, 2015SaveLearn
Impact of 15 Jan 2010 annular solar eclipse on the equatorial and low latitude ionosphere over Indian region from Magnetometer, Ionosonde and GPS observationsThe annular eclipse of Jan 15, 2010 over southern India was studied with a network of multi-instrumental observations consisting magnetometer, ionosonde and GPS receivers. By selecting the day before…Sampad Kumar Panda, Shirish S. Gedam, Girija Rajaram et al.·Jun 17, 2015SaveLearn
Ocean calibration approach to correcting for spurious accelerations for data from the GRACE and GRACE Follow-On missionsThe GRACE mission has been providing valuable new information on time variations in the Earth's gravity field since 2002. In addition, the GRACE Follow-On mission is scheduled to be flown soon…Peter L. Bender, Casey R. Betts·Jun 16, 2015SaveLearn
Coronal partingsThe basic observational properties of "coronal partings" -- the special type of quasi-one-dimensional magnetic structures, identified by a comparison of the coronal X-ray and EUV images with…Igor F. Nikulin, Yurii V. Dumin·Jun 3, 2015SaveLearn
Self-consistent Castaing distribution of solar wind turbulent fluctuationsThe intermittent behavior of solar wind turbulent fluctuations has often been investigated through the modeling of their probability distribution functions (PDFs). Among others, the Castaing model…L. Sorriso-Valvo, R. Marino, L. Lijoi et al.·May 28, 2015SaveLearn
Observation of a New Type of Low Frequency Waves at Comet 67P/Churyumov-GerasimenkoWe report on magnetic field measurements made in the innermost coma of 67P/Churyumov-Gerasimenko in its low activity state. Quasi-coherent, large-amplitude (δB/B 1), compressional magnetic…I. Richter, C. Koenders, H. -U. Auster et al.·May 22, 2015SaveLearn