Magnetic moment and plasma environment of HD 209458b as determined from Lyα observationsTransit observations of HD 209458b in the stellar Lyman-α (Lyα) line revealed strong absorption in both blue and red wings of the line interpreted as hydrogen atoms escaping from the planet's…K. G. Kislyakova, M. Holmström, H. Lammer et al.·Nov 25, 2014SaveLearn
Influence of cosmic-ray variability on the monsoon rainfall and temperatureWe study the role of galactic cosmic ray (GCR) variability in influencing the rainfall variability in Indian Summer Monsoon Rainfall (ISMR) season. We find that on an average during 'drought'…Badruddin, O. P. M Aslam·Nov 23, 2014SaveLearn
Global surface wave resonances of the earth magnetosphere and their possible manifestationIn this paper global surface wave modes supported by plasma discontinuities at both the magnetopause and the plasmapause are considered. The ionosphere at the ends of the magnetic field lines of the…Petko Nenovski·Nov 19, 2014SaveLearn
Deceleration of Alpha Particles in the Solar Wind by Instabilities and the Rotational Force: Implications for Heating, Azimuthal Flow, and the Parker Spiral Magnetic FieldProtons and alpha particles in the fast solar wind are only weakly collisional and exhibit a number of non-equilibrium features, including relative drifts between particle species. Two…Daniel Verscharen, Benjamin D. G. Chandran, Sofiane Bourouaine et al.·Nov 17, 2014SaveLearn
The three-dimensional evolution of ion-scale current sheets: tearing and drift-kink instabilities in the presence of proton temperature anisotropyWe present the first three-dimensional hybrid simulations of the evolution of ion-scale current sheets, with an investigation of the role of temperature anisotropy and associated kinetic…Peter Gingell, David Burgess, Lorenzo Matteini·Nov 17, 2014SaveLearn
The Dispersion Equation of MGD Waves for non-stationary PlasmasThe dispersion equation of MGD plasma waves measured in a reference frame with a relative speed from that where they are generated is derived. The analysis leads further from what is known for waves…H. Pérez-de-Tejada, Eric Gómez-Gómez·Nov 12, 2014SaveLearn
The ULF wave foreshock boundary: Cluster observationsThe interaction of backstreaming ions with the incoming solar wind in the upstream region of the bow shock gives rise to a number of plasma instabilities from which ultra-low frequency (ULF) waves…Nahuel Andres, Karim Meziane, Christian Mazelle et al.·Nov 8, 2014SaveLearn
On the Juno Radio Science Experiment: models, algorithms and sensitivity analysisJuno is a NASA mission launched in 2011 with the goal of studying Jupiter. The probe will arrive to the planet in 2016 and will be placed for one year in a polar high-eccentric orbit to study the…Giacomo Tommei, Linda Dimare, Daniele Serra et al.·Nov 6, 2014SaveLearn
Fractal Growth on the Surface of a Planet and in Orbit around itFractals are defined as geometric shapes that exhibit symmetry of scale. This simply implies that fractal is a shape that it would still look the same even if somebody could zoom in on one of its…Ioannis Haranas, Ioannis Gkigkitzis, Athanasios Alexiou·Oct 31, 2014SaveLearn
Global Asteroid Risk AnalysisPotentially impacting asteroids were analysed for their impact risk on the Earth. To this end, the Asteroid Risk Mitigation Optimization and Research (ARMOR) tool is currently being developed. The…Clemens Rumpf·Oct 16, 2014SaveLearn
Energetic electron enhancements below the radiation belt and X-ray contamination at low-orbiting satellitesThe work concerns a problem of electron-induced contaminant at relatively low latitudes to high-energy astrophysical measurements on board the low-orbiting satellites. We show the results of a…Alla V. Suvorova, Alexei V. Dmitriev, Chien-Ming Huang·Oct 16, 2014SaveLearn
Relative drifts and temperature anisotropies of protons and α particles in the expanding solar wind -- 2.5D hybrid simulationsWe perform 2.5D hybrid simulations to investigate the origin and evolution of relative drift speeds between protons and α particles in the collisionless turbulent low-β solar wind plasma. We…Y. G. Maneva, L. Ofman, A. Viñas·Oct 10, 2014SaveLearn
Comet C/2013 A1 Siding Spring. How treatment of data and NG effects can change our predictions about close encounters with Mars ?We show that the estimates of close encounter of this comet with Mars depend on data treatment. Using the data taken in the two-year period, we derived that the comet will miss Mars on 2014 October…Paweł Wajer, Małgorzata Królikowska·Oct 7, 2014SaveLearn
A New Method of Capturing and Transporting Asteroid to a Lunar OrbitThrough multiple, small unmanned probes we can more efficiently capture an asteroid and return it to lunar orbit. The Asteroid Return and Exploration System (ARES) aims to make use of previously…Charles Domercant, Aiden Gonzalez·Oct 6, 2014SaveLearn
The Diffusion Approximation vs. the Telegraph Equation for Modeling Solar Energetic Particle Transport with Adiabatic Focusing. I. Isotropic Pitch-angle ScatteringThe diffusion approximation to the Fokker-Planck equation is commonly used to model the transport of solar energetic particles in interplanetary space. In this study, we present exact analytical…Frederic Effenberger, Yuri E. Litvinenko·Oct 5, 2014SaveLearn
Analytical solutions of a fractional diffusion-advection equation for solar cosmic-ray transportMotivated by recent applications of superdiffusive transport models to shock-accelerated particle distributions in the heliosphere, we solve analytically a one-dimensional fractional…Yuri E. Litvinenko, Frederic Effenberger·Oct 5, 2014SaveLearn
A free real-time hourly tilted solar irradiation data Website for EuropeThe engineering of solar power applications, such as photovoltaic energy (PV) or thermal solar energy requires the knowledge of the solar resource available for the solar energy system. This solar…Jonathan Leloux, Luis Narvarte, Loreto Gonzalez-Bonilla·Oct 3, 2014SaveLearn
Vortices at the magnetic equator generated by hybrid Alfven resonant wavesWe performed three-dimensional magnetohydrodynamic simulations of shear Alfven waves in a full field line system with magnetosphere-ionosphere coupling and plasma non-uniformities. Feedback…Yasutaka Hiraki·Oct 3, 2014SaveLearn
Hydromagnetic Waves in a Compressed Dipole Field via Field-Aligned Klein-Gordon EquationsHydromagnetic waves, especially those of frequencies in the range of a few milli-Hz to a few Hz observed in the Earth's magnetosphere, are categorized as Ultra Low Frequency (ULF) waves or…Jinlei Zheng, Qiang Hu, J. F. McKenzie et al.·Oct 1, 2014SaveLearn
Stream Processing for Solar Physics: Applications and Implications for Big Solar DataModern advances in space technology have enabled the capture and recording of unprecedented volumes of data. In the field of solar physics this is most readily apparent with the advent of the Solar…Karl Battams·Sep 29, 2014SaveLearn
A Forecast for a South Heliopause Crossing by Voyager 2 in Late 2014 Using Intensity-time Features of Energetic Particles Observed by V1 and V2 in the North and South HeliosheathsWe have used corresponding marker features in the intensity vs. time profile of termination shock particles coming from within the heliosheath and also 5-12 MeV electrons which are coming from beyond…W. R. Webber, D. S. Intriligator·Sep 25, 2014SaveLearn
Experiment of Diffuse Reflection Laser Ranging to Space Debris and Data AnalysisSpace debris has been posing a serious threat to human space activities and is needed to be measured and cataloged. As a new technology of space target surveillance, the measurement accuracy of DRLR…Hao Sun, HaiFeng Zhang, ZhongPing Zhang et al.·Sep 17, 2014SaveLearn
Traveling solar-wind bulk-velocity fluctuations and their effects on electron heating in the inner heliosphereAmbient plasma electrons undergo strong heating in regions associated with compressive traveling interplanetary solar-wind bulk-velocity jumps due to their specific interactions with the…Hans J. Fahr, Igor V. Chashei, Daniel Verscharen·Sep 13, 2014SaveLearn
Sun-to-Earth Characteristics of Two Coronal Mass Ejections Interacting near 1 AU: Formation of a Complex Ejecta and Generation of a Two-Step Geomagnetic StormOn 2012 September 30 - October 1 the Earth underwent a two-step geomagnetic storm. We examine the Sun-to-Earth characteristics of the coronal mass ejections (CMEs) responsible for the geomagnetic…Ying D. Liu, Zhongwei Yang, Rui Wang et al.·Sep 10, 2014SaveLearn
On Delay Faults Affecting I/O Blocks of an SRAM-Based FPGA Due to Ionizing RadiationsExperimental means to characterize delay faults induced by bit flips and SEUs in I/O blocks of SRAM-based FPGAs are proposed. A delay fault up to 6.2ns sensitized by an events chain is reported.Fatima Zahra Tazi, Claude Thibeault, Yvon Savaria et al.·Sep 2, 2014SaveLearn