What frequencies of standing surface waves can the subsolar magnetopause support?It is has been proposed that the subsolar magnetopause may support its own eigenmode, consisting of propagating surface waves which reflect at the northern/southern ionospheres forming a standing…Martin Archer, Ferdinand Plaschke·Sep 1, 2014SaveLearn
Global impacts of a Foreshock Bubble: Magnetosheath, magnetopause and ground-based observationsUsing multipoint observations we show, for the first time, that Foreshock Bubbles (FBs) have a global impact on Earth's magnetosphere. We show that an FB, a transient kinetic phenomenon due to…Martin Archer, Drew Turner, Jonathan Eastwood et al.·Sep 1, 2014SaveLearn
Auroral vortex street formed by the magnetosphere-ionosphere coupling instabilityBy performing three-dimensional nonlinear MHD simulations including Alfven eigenmode perturbations most unstable to the ionospheric feedback effects, we reproduced the auroral vortex street that…Yasutaka Hiraki·Aug 22, 2014SaveLearn
On Permanent and Sporadic Oscillations of the MagnetosphereIn this paper we investigate the impact of permanent oscillations Pc3 on the excitation of sporadic oscillations Pi2 ( their periods are 10-45 and 40-150 s, respectively ). The hypothesis is…A. V. Guglielmi, A. S. Potapov·Aug 13, 2014SaveLearn
First- and Second-order Fermi Acceleration at Parallel ShocksWe report on a new Monte Carlo method for simulating diffusive shock acceleration (DSA) of solar energetic particles at upstream and downstream regions of quasi-parallel collisionless shock waves…Arto Sandroos, Gang Li, Lulu Zhao·Aug 12, 2014SaveLearn
Instability of a Thin Conducting Foil Accelerated by a Finite Wavelength Intense LaserWe derive a theoretical model for the Rayleigh-Taylor (RT)-like instability for a thin foil accelerated by an intense laser, taking into account finite wavelength effects in the laser wave field. The…Bengt Eliasson·Aug 7, 2014SaveLearn
OMC/INTEGRAL photometric observations of pulsating components in eclipsing binaries and characterization of DY AqrWe present the search for eclipsing binaries with a pulsating component in the first catalogue of optically variable sources observed by OMC/INTEGRAL, which contains photometric data for more than…Julia Alfonso-Garzon, Benjamin Montesinos, Andres Moya et al.·Jul 8, 2014SaveLearn
Spiralicity and Motion on Cosmic ScaleWe hypothesize a simple scenario to associate spiral-shaped trajectories and asymptotic tangential velocities according to observations found on deep space scales. As a difference with alternative…E. Canessa·Jun 25, 2014SaveLearn
Assessing the impact of space weather on the electric power grid based on insurance claims for industrial electrical equipmentGeomagnetically induced currents are known to induce disturbances in the electric power grid. Here, we perform a statistical analysis of 11,242 insurance claims from 2000 through 2010 for equipment…Carolus J. Schrijver, Robert Dobbins, William Murtagh et al.·Jun 21, 2014SaveLearn
The Violation of the Taylor Hypothesis in Measurements of Solar Wind TurbulenceMotivated by the upcoming Solar Orbiter and Solar Probe Plus missions, qualitative and quantitative predictions are made for the effects of the violation of the Taylor hypothesis on the magnetic…Kristopher Klein, Gregory Howes, Jason TenBarge·Jun 20, 2014SaveLearn
Deflected propagation of a coronal mass ejection from the corona to interplanetary spaceAmong various factors affecting the space weather effects of a coronal mass ejection (CME), its propagation trajectory in the interplanetary space is an important one determining whether and when the…Yuming Wang, Boyi Wang, Chenglong Shen et al.·Jun 18, 2014SaveLearn
Secondary Rayleigh-Taylor type Instabilities in the Reconnection Exhaust Jet as a Mechanism for Supra-Arcade DownflowsSupra-arcade downflows (hereafter referred to as SADs) are low-emission, elongated, finger-like features usually observed in active-region coronae above post-eruption flare arcades. Observations…L. -J. Guo, A. Bhattacharjee, Y. -M. Huang et al.·Jun 12, 2014SaveLearn
Global Numerical Modeling of Energetic Proton Acceleration in a Coronal Mass Ejection Traveling through the Solar CoronaThe acceleration of protons and electrons to high (sometimes GeV/nucleon) energies by solar phenomena is a key component of space weather. These solar energetic particle (SEP) events can damage…Kamen A. Kozarev, Rebekah M. Evans, Nathan A. Schwadron et al.·Jun 9, 2014SaveLearn
Respiratory Particle Deposition Probability due to Sedimentation with Variable Gravity and Electrostatic ForcesIn this paper, we study the effects of the acceleration gravity on the sedimentation deposition probability, as well as the aerosol deposition rate on the surface of the Earth and Mars, but also…Ioannis Haranas, Ioannis Gkigkitzis, George D. Zouganelis et al.·Jun 9, 2014SaveLearn
The role of pressure gradients in driving sunward magnetosheath flows and magnetopause motionWhile pressure balance can predict how far the magnetopause will move in response to an upstream pressure change, it cannot determine how fast the transient reponse will be. Using Time History of…M. O. Archer, D. L. Turner, J. P. Eastwood et al.·Jun 2, 2014SaveLearn
Molecular Hydrogen bubbles formation on thin vacuum deposited Aluminum layers after proton irradiationMetals are the most common materials used in space technology. Metal structures, while used in space, are subjected to the full spectrum of the electromagnetic radiation together with particle…Maciej Sznajder, Ulrich Geppert·May 28, 2014SaveLearn
Intermittency of Solar Wind Density Fluctuations From Ion to Electron ScalesThe intermittency of density fluctuations in the solar wind at kinetic scales has been examined using high time resolution Faraday cup measurements from the Spektr-R spacecraft. It was found that the…C. H. K. Chen, L. Sorriso-Valvo, J. Šafránková et al.·May 28, 2014SaveLearn
Observations of an extreme storm in interplanetary space caused by successive coronal mass ejectionsSpace weather refers to dynamic conditions on the Sun and in the space environment of the Earth, which are often driven by solar eruptions and their subsequent interplanetary disturbances. It has…Ying D. Liu, Janet G. Luhmann, Primož Kajdič et al.·May 23, 2014SaveLearn
Propagation of the 2012 March Coronal Mass Ejections from the Sun to HeliopauseIn 2012 March the Sun exhibited extraordinary activities. In particular, the active region NOAA AR 11429 emitted a series of large coronal mass ejections (CMEs) which were imaged by STEREO as it…Ying D. Liu, John D. Richardson, Chi Wang et al.·May 23, 2014SaveLearn
Space environments variability and its impact on total dose and single event effects in electronic partsThe aim of this paper is the modeling and simulation of impact of space radiation variability on total dose and single event effects in spaceborne electronics. It has been shown that the simultaneous…G. I. Zebrev, I. V. Elushov·May 22, 2014SaveLearn
Chelyabinsk meteorite explains unusual spectral properties of Baptistina Asteroid FamilyWe investigated the spectral and compositional properties of Chelyabinsk meteorite to identify its possible parent body in the main asteroid belt. Our analysis shows that the meteorite contains two…Vishnu Reddy, Juan Sanchez, William Bottke et al.·Apr 26, 2014SaveLearn
Nonlinear and Linear Timescales near Kinetic Scales in Solar Wind TurbulenceThe application of linear kinetic treatments to plasma waves, damping, and instability requires favorable inequalities between the associated linear timescales and timescales for nonlinear (e.g.,…W. H. Matthaeus, S. Oughton, K. T. Osman et al.·Apr 25, 2014SaveLearn
Magnetohydrodynamic Slow Mode with Drifting He++: Implications for Coronal Seismology and the Solar WindThe MHD slow mode wave has application to coronal seismology, MHD turbulence, and the solar wind where it can be produced by parametric instabilities. We consider analytically how a drifting ion…Joseph V. Hollweg, Daniel Verscharen, Benjamin D. G. Chandran·Apr 17, 2014SaveLearn
A Study of Pc4-5 Geomagnetic Pulsations in the Brazilian SectorThis paper presents a study of Pc4-5 geomagnetic pulsations illustrated by those which were observed after the sudden commencement of May 02 of 2010 at 09 : 08 UT at the Brazilian stations TTB, VSS…David Oliva, Marcela C. Meirelles, Andrés R. R. Papa·Apr 16, 2014SaveLearn
Daily Variations of the Geomagnetic Field in the Brazilian zoneThe solar quiet daily variation (Sq) was investigated with respect to the longitudinal and seasonal variations at the Brazilian geomagnetic ground stations of Tatuoca (TTB), Vassouras (VSS ) and São…David Oliva, Marco A. Espírito Santo, Andrés R. R. Papa·Apr 16, 2014SaveLearn