Velocity-Space Proton Diffusion in the Solar Wind TurbulenceWe study a velocity-space quasilinear diffusion of the solar wind protons driven by oblique Alfven turbulence at proton kinetic scales. Turbulent fluctuations at these scales possess properties of…Yuriy Voitenko, Viviane Pierrard·Apr 3, 2013SaveLearn
Parallel Electric Field Spectrum of Solar Wind TurbulenceBy searching through more than 10 satellite-years of THEMIS and Cluster data, three reliable examples of parallel electric field turbulence in the undisturbed solar wind have been found. The…F. S. Mozer, C. H. K. Chen·Apr 3, 2013SaveLearn
Development of a MATLAB/STK TLE Accuracy Assessment Tool, in support of the NASA Ames Space Traffic Management ProjectIn order to improve the effectiveness of conjunction analysis using publically available Two Line Elements (TLEs) a number of strategies are being investigated as part of the Space Traffic Management…James Mason·Apr 3, 2013SaveLearn
ENA imaging near Planetary Bodies: Interaction between Plasma, Exosphere and SurfaceEnergetic Neutral Atom (ENA) imaging has been noticed as a powerful tool for remote sensing the plasma-neutral interaction in space. Particularly, the technique is used for investigation of space…Yoshifumi Futaana·Mar 31, 2013SaveLearn
Study of local regularities in the solar wind data and ground magnetogramsInterplanetary coronal mass ejections (ICMEs) can reach the Earth's magnetosphere causing magnetic disturbances. It can be measured by satellite and ground-based magnetometers. Data from the ACE…Virginia Klausner, Arian Ojeda González, Margarete Oliveira Domingues et al.·Mar 21, 2013SaveLearn
Cosmic Dust Aggregation with Stochastic ChargingThe coagulation of cosmic dust grains is a fundamental process which takes place in astrophysical environments, such as presolar nebulae and circumstellar and protoplanetary disks. Cosmic dust grains…Lorin S. Matthews, Babak Shotorban, Truell W. Hyde·Mar 21, 2013SaveLearn
STEREO observations of the energetic ions in tilted corotating interaction regionsIn this paper we examine suprathermal He ions measured by the SIT (Suprathermal Ion Telescope) instrument associated with tilted corotating interaction regions (CIRs). We use observations of the two…R. Bucik, U. Mall, A. Korth et al.·Mar 20, 2013SaveLearn
MHD Simulation of the Inner-Heliospheric Magnetic FieldMaps of the radial magnetic field at a heliocentric distance of ten solar radii are used as boundary conditions in the MHD code CRONOS to simulate a 3D inner-heliospheric solar wind emanating from…T. Wiengarten, J. Kleimann, H. Fichtner et al.·Mar 18, 2013SaveLearn
Determination of the Stopping Power and Failure-time of Spacecraft Components due to Proton Interaction Using GOES 11 Acquisition DataOne of the several ways to describe the net effect of charged-particles' interaction is the rate of energy loss along the particles' path. In this study, the mass stopping power (Sp) of…N. N. Jibiri, Victor U. J. Nwankwo, Michael Kio·Mar 2, 2013SaveLearn
The dynamic quasiperpendicular shock: Cluster discoveriesThe physics of collisionless shocks is a very broad topic which has been studied for more than five decades. However, there are a number of important issues which remain unresolved. The energy…V. Krasnoselskikh, M. Balikhin, S. N. Walker et al.·Mar 1, 2013SaveLearn
Spatial heterogeneity in the radiogenic activity of the lunar interior: Inferences from CHACE and LLRI on Chandrayaan-1In the past, clues on the potential radiogenic activity of the lunar interior have been obtained from the isotopic composition of noble gases like Argon. Excess Argon (40) relative to Argon (36), as…R. Sridharan, Tirtha Pratim Das, S. M. Ahmed et al.·Feb 23, 2013SaveLearn
Remote Energetic Neutral Atom Imaging of Electric Potential Over a Lunar Magnetic AnomalyThe formation of electric potential over lunar magnetized regions is essential for understanding fundamental lunar science, for understanding the lunar environment, and for planning human exploration…Y. Futaana, S. Barabash, M. Wieser et al.·Feb 23, 2013SaveLearn
Magnetopause expansions for quasi-radial interplanetary magnetic field: THEMIS and Geotail observationsWe report THEMIS and Geotail observations of prolonged magnetopause (MP) expansions during long-lasting intervals of quasi-radial interplanetary magnetic field (IMF) and nearly constant solar wind…A. V. Suvorova, J. -H. Shue, A. V. Dmitriev et al.·Feb 15, 2013SaveLearn
Traveling magnetopause distortion related to a large-scale magnetosheath plasma jet: THEMIS and ground-based observationsHere, we present a case study of THEMIS and ground-based observations on the dayside magnetopause, and geomagnetic field perturbations related to the interaction of an interplanetary directional…A. V. Dmitriev, A. V. Suvorova·Feb 15, 2013SaveLearn
Equatorial trench at the magnetopause under saturationMagnetic data from GOES geosynchronous satellites were applied for statistical study of the low-latitude dayside magnetopause under a strong interplanetary magnetic field of southward orientation…A. Dmitriev, A. Suvorova·Feb 15, 2013SaveLearn
Production of Small-Scale Alfvén Waves by Ionospheric Depletion, Nonlinear Magnetosphere-Ionosphere Coupling and Phase MixingRockets and satellites have previously observed small-scale Alfvén waves inside large-scale downward field-aligned currents and numerical simulations have associated their formation with…Alexander J. B. Russell, Andrew N. Wright·Feb 13, 2013SaveLearn
Cosmic-ray diffusion in a sectored magnetic field in the distant heliosheathVery high intensities of galactic cosmic rays measured by Voyager 1 in the heliosheath appear to be incompatible with the presence of a modulation "wall" near the heliopause produced by a…V. Florinski, F. Alouani-Bibi, J. Kota et al.·Feb 12, 2013SaveLearn
Entering the "magnetic highway": energetic particle anisotropies at the heliospheric boundaryIn August of 2012 the Voyager 1 space probe entered a distinctly new region of space characterized by a virtual absence of heliospheric energetic charged particles and magnetic fluctuations, dubbed a…Vladimir Florinski·Feb 8, 2013SaveLearn
Three-dimensional artificial neural network model of the dayside magnetopauseArtificial Neural Networks (ANN) from package NeuroShell 2 are applied for modeling of dayside magnetopause. The model data set is based on the magnetopause crossings and on the corresponding…A. V. Dmitriev, A. V. Suvorova·Feb 7, 2013SaveLearn
Current Sheet Statistics in Three-Dimensional Simulations of Coronal HeatingIn a recent numerical study [Ng et al., Astrophys. J. 747, 109, 2012], with a three-dimensional model of coronal heating using reduced magnetohydrodynamics (RMHD), we have obtained scaling…L. Lin, C. S. Ng, A. Bhattacharjee·Feb 1, 2013SaveLearn
Near-lunar proton velocity distribution explained by electrostatic accelerationThe observation of parallel ion velocity in the near-lunar wake approximately equal to external solar wind velocity can be explained within uncertainties by an analytic electrostatic expansion…I H Hutchinson·Feb 1, 2013SaveLearn
Assessing the Constrained Harmonic Mean Method for Deriving the Kinematics of ICMEs with a Numerical SimulationIn this study we use a numerical simulation of an artificial coronal mass ejection (CME) to validate a method for calculating propagation directions and kinematical profiles of interplanetary CMEs…Tanja Rollett, Manuela Temmer, Christian Möstl et al.·Jan 29, 2013SaveLearn
Demagnetized Electron Heating at Collisionless ShocksSeventy measurements of electron heating at the Earth's quasi-perpendicular bow shock are analyzed in terms of Maxwellian-temperatures obtained from fits to the core electrons that separate…David Sundkvist, Forrest Mozer·Jan 23, 2013SaveLearn
THEMIS Observations of the Magnetopause Electron Diffusion Region: Large Amplitude Waves and Heated ElectronsWe present the first observations of large amplitude waves in a well-defined electron diffusion region at the sub-solar magnetopause using data from one THEMIS satellite. These waves identified as…Xiangwei Tang, Cynthia Cattell, John Dombeck et al.·Jan 16, 2013SaveLearn
Statistical Characteristics of the Heliospheric Plasma and Magnetic Field at the Earth's Orbit during Four Solar Cycles 20-23The review presents analysis and physical interpretation of available statistical data about solar wind plasma and interplanetary magnetic field (IMF) properties as measured in-situ at 1 A.U. by…A. V. Dmitriev, A. V. Suvorova, I. S. Veselovsky·Jan 14, 2013SaveLearn