Proton entry into the near-lunar plasma wake for magnetic field aligned flowWe report the first observation of protons in the near (100--200 km from surface) and deeper (near anti-subsolar point) lunar plasma wake when the interplanetary magnetic field (IMF) and solar wind…M. B. Dhanya, Anil Bhardwaj, Y. Futaana et al.·Feb 20, 2016SaveLearn
Does generation of magnetic storm depend on type of solar wind?The purpose of this work is to draw attention of readers to a problem of possible differences in generation of magnetic storms induced by various large scale solar wind (SW) streams: CIR, Sheath and…N. S. Nikolaeva, Yu. I. Yermolaev, I. G. Lodkina·Feb 18, 2016SaveLearn
PAMELA's measurements of geomagnetic cutoff variations during the 14 December 2006 stormData from the Payload for Antimatter Matter Exploration and Light-nuclei Astrophysics (PAMELA) satellite experiment were used to measure the geomagnetic cutoff for high-energy (>80 MeV) protons…O. Adriani, G. C. Barbarino, G. A. Bazilevskaya et al.·Feb 17, 2016SaveLearn
The Mechanisms of Electron Acceleration During Multiple X Line Magnetic Reconnection with a Guide FieldThe interactions between magnetic islands are considered to play an important role in electron acceleration during magnetic reconnection. In this paper, two-dimensional (2-D) particle-in-cell (PIC)…Huanyu Wang, Quanming Lu, Can Huang et al.·Feb 17, 2016SaveLearn
Effects of suprathermal electrons on the proton temperature anisotropy in space plasmas: Electromagnetic ion-cyclotron instabilityIn collision-poor plasmas from space, e.g., the solar wind and planetary magnetospheres, the kinetic anisotropy of the plasma particles is expected to be regulated by the kinetic instabilities.…S. M. Shaaban, M. Lazar, S. Poedts et al.·Feb 12, 2016SaveLearn
Electrons under the dominant action of shock-electric fieldsWe consider a fast magnetosonic multifluid shock as a representation of the solar-wind termination shock. We assume the action of the transition happens in a three-step process: In the first step,…Hans J. Fahr, Daniel Verscharen·Feb 12, 2016SaveLearn
On a correlation among azimuthal velocities and the flyby anomaly signData of six flybys, those of Galileo I, Galileo II, NEAR, Cassini, Rosetta and Messenger were reported by Anderson et al Anderson. Four of them: Galileo I, NEAR, Rosetta and Messenger gain…L. Acedo, Ll. Bel·Feb 11, 2016SaveLearn
Efficiency of particle acceleration at interplanetary shocks: Statistical study of STEREO observationsContext. Among others, shocks are known to be accelerators of energetic charged particles. However, many questions regarding the acceleration efficiency and the required conditions are not fully…Nina Dresing, Solveig Theesen, Andreas Klassen et al.·Feb 10, 2016SaveLearn
GTOC8: Results and Methods of ESA Advanced Concepts Team and JAXA-ISASWe consider the interplanetary trajectory design problem posed by the 8th edition of the Global Trajectory Optimization Competition and present the end-to-end strategy developed by the team ACT-ISAS…Dario Izzo, Daniel Hennes, Marcus Märtens et al.·Feb 3, 2016SaveLearn
Kinetic signatures of the region surrounding the X-line in asymmetric (magnetopause) reconnectionKinetic particle-in-cell simulations are used to identify signatures of the electron diffusion region (EDR) and its surroundings during asymmetric magnetic reconnection. A "shoulder" in the…M. A. Shay, T. D. Phan, C. C. Haggerty et al.·Feb 2, 2016SaveLearn
Statistically determined dispersion relations of magnetic field fluctuations in the terrestrial foreshockWe obtain dispersion relations of magnetic field fluctuations for two crossings of the terrestrial foreshock by Cluster spacecraft. These crossings cover plasma conditions which differ significantly…B. Hnat, D. O'Connell, V. M. Nakariakov·Jan 29, 2016SaveLearn
Combining Magnetic and Electric Sails for Interstellar DecelerationThe main benefit of an interstellar mission is to carry out in-situ measurements within a target star system. To allow for extended in-situ measurements, the spacecraft needs to be decelerated. One…Nikolaos Perakis, Andreas M. Hein·Jan 22, 2016SaveLearn
Accretion-caused deceleration of a gravitationally powerful compact stellar object moving within a dense Fermi gasWe consider accretion-caused deceleration of a gravitationally-powerful compact stellar object traveling within a cold Fermi-gas medium. We provide analytical and numerical estimates of the effect…Elizabeth P. Tito, Vadim I. Pavlov·Jan 13, 2016SaveLearn
Density duct formation in the wake of a travelling ionospheric disturbance: Murchison Widefield Array observationsGeomagnetically-aligned density structures with a range of sizes exist in the near-Earth plasma environment, including 10-100 km-wide VLF/HF wave-ducting structures. Their small diameters and modest…Shyeh Tjing Loi, Iver H. Cairns, Tara Murphy et al.·Jan 12, 2016SaveLearn
Asteroid Deflection Using a Spacecraft in Restricted Keplerian MotionA method for asteroid deflection that makes use of a spacecraft moving back and forth on a segment of an appropriate Keplerian orbit about the asteroid is described and evaluated. It is shown that,…Yohannes Ketema·Jan 11, 2016SaveLearn
Microstructure in two- and three-dimensional hybrid simulations of perpendicular collisionless shocksSupercritical collisionless perpendicular shocks have an average macrostructure determined primarily by the dynamics of ions specularly reflected at the magnetic ramp. Within the overall…David Burgess, Petr Hellinger, Peter W. Gingell et al.·Jan 7, 2016SaveLearn
Injection of solar energetic particles into both loop legs of a magnetic cloudEach of the two STEREO spacecraft carries a SEPT Instrument which measures electrons and protons. Anisotropy observations are provided in four viewing directions. The SEP event on 7 Nov 2013 was…Nina Dresing, Raúl Gómez-Herrero, Bernd Heber et al.·Jan 4, 2016SaveLearn
The Abundance of Low Energy Cosmic Ray Boron and Nitrogen Nuclei Measured at Voyager 1 Beyond the Heliopause, Where Do They All Come From? An Interpretation Using a Leaky Box Galactic Propagation ModelUncertainties in the Voyager data itself as well as the cross sections for production of these secondaries at these low energies are an important limitation on the estimates of the amount of matter…W. R. Webber·Dec 29, 2015SaveLearn
The Separation of Secondary Positrons Produced in the Galaxy from the High Energy Positrons that are Observed Recent Space Experiments on PAMELA and AMS2The large intensity of greater than 10 GeV positrons which apparently come from sources outside the Earth-Sun system observed recently by many spacecraft (PAMELA, FERMI, AMS2) is still a mystery with…W. R. Webber·Dec 22, 2015SaveLearn
Energy dissipation processes in solar wind turbulenceTurbulence is a chaotic flow regime filled by irregular flows. The dissipation of turbulence is a fundamental problem in the realm of physics. Theoretically, dissipation cannot be ultimately achieved…Y. Wang, F. S. Wei, X. S. Feng et al.·Dec 11, 2015SaveLearn
Spatial frequencies associated with the latitudinal structures of ionospheric currents seen by CHAMP satelliteThe CHAMP magnetic field variations during international quiet days of low solar activity period 2008-2009 are investigated. The present paper reports the existence of frequency-peaks < 20 mHz in the…Neethal Thomas, Geeta Vichare, A. K. Sinha·Dec 11, 2015SaveLearn
Pressure anisotropy generation in a magnetized plasma configuration with a shear flow velocityThe nonlinear evolution of the Kelvin Helmholtz instability in a magnetized plasma with a perpendicular flow close to, or in, the supermagnetosonic regime can produce a significant…S. De Camillis, S. S. Cerri, F. Califano et al.·Dec 9, 2015SaveLearn
Magnetic null points in kinetic simulations of space plasmasWe present a systematic attempt to study magnetic null points and the associated magnetic energy conversion in kinetic Particle-in-Cell simulations of various plasma configurations. We address…Vyacheslav Olshevsky, Jan Deca, Andrey Divin et al.·Dec 7, 2015SaveLearn
Wave-particle interactions in the outer radiation beltsData from the Van Allen Probes have provided the first extensive evidence of non-linear (as opposed to quasi-linear) wave-particle interactions in space with the associated rapid (fraction of a…O. V. Agapitov, F. S. Mozer, A. V. Artemyev et al.·Dec 7, 2015SaveLearn
Reconstruction of Fine Scale Auroral DynamicsWe present a feasibility study for a high frame rate, short baseline auroral tomographic imaging system useful for estimating parametric variations in the precipitating electron number flux spectrum…Michael Hirsch, Joshua Semeter, Matthew Zettergren et al.·Dec 3, 2015SaveLearn