Evolution of Alfvénic fluctuations inside an interplanetary coronal mass ejection and their contributions to local plasma heating: Joint observations from 1.0 AU to 5.4 AUDirectly tracking an interplanetary coronal mass ejection (ICME) by widely separated spacecrafts is a great challenge. However, such an event could provide us a good opportunity to study the…Hui Li, Chi Wang, John D. Richardson et al.·Sep 12, 2017SaveLearn
The response of the terrestrial bow shock and magnetopause of the long term decline in solar polar fieldsThe location of the terrestrial magnetopause (MP) and it's subsolar stand-off distance depends not only on the solar wind dynamic pressure and the interplanetary magnetic field (IMF), both of…Madhusudan Ingale, P. Janardhan, K. Fujiki et al.·Sep 4, 2017SaveLearn
Time-dependent occurrence rate of electromagnetic cyclotron waves in the solar wind: evidence for effect of alpha particles?Previous studies revealed that electromagnetic cyclotron waves (ECWs) near the proton cyclotron frequency exist widely in the solar wind, and the majority of ECWs are left-handed (LH) polarized…G. Q. Zhao, H. Q. Feng, D. J. Wu et al.·Sep 4, 2017SaveLearn
Large-scale solar wind flow around Saturn's nonaxisymmetric magnetosphereThe interaction between the solar wind and a magnetosphere is fundamental to the dynamics of a planetary system. Here, we address fundamental questions on the large-scale magnetosheath flow around…A. H. Sulaiman, X. Jia, N. Achilleos et al.·Aug 29, 2017SaveLearn
Measurements of the electrostatic potential of Rosetta at comet 67PWe present and compare measurements of the spacecraft potential (Vs/c) of the Rosetta space- craft throughout its stay in the inner coma of comet 67P/Churyumov-Gerasimenko, by the Langmuir probe…Elias Odelstad, Gabriella Stenberg-Wieser, Martin Wieser et al.·Aug 29, 2017SaveLearn
Space weather challenges of the polar cap ionosphereThis paper presents research on polar cap ionosphere space weather phenomena conducted during the European Cooperation in Science and Technology (COST) action ES0803 from 2008 to 2012. The main part…Jøran Moen, Kjellmar Oksavik, Lucilla Alfonsi et al.·Aug 29, 2017SaveLearn
On the timing between terrestrial gamma ray flashes, radio atmospherics, and optical lightning emissionOn 25 October 2012 the Reuven Ramaty High Energy Solar Spectroscope Imager (RHESSI) and the Tropical Rainfall Measuring Mission (TRMM) satellites passed over a thunderstorm on the coast of Sri Lanka.…Thomas Gjesteland, Nikolai Østgaard, Phillip Bitzer et al.·Aug 24, 2017SaveLearn
Constraints to do realistic modeling of the electric field ahead of the tip of a lightning leaderSeveral computer models exist to explain the observation of terrestrial gamma-ray flashes (TGFs). Some of these models estimate the electric field ahead of lightning leaders and its effects on…Alexander Broberg Skeltved, Nikolai Østgaard, Andrew Mezentsev et al.·Aug 24, 2017SaveLearn
Calibration of the GOES-13/15 high energy proton detectors based on the PAMELA solar energetic particle observationsThe EPEAD and HEPAD instruments on the GOES spacecraft have served over many years as monitors of the solar particles intensities, surveying the Sun and measuring in situ its effect on the near-Earth…Alessandro Bruno·Aug 18, 2017SaveLearn
Space Climate and Space Weather over the past 400 years: 1. The Power input to the MagnetosphereUsing information on geomagnetic activity, sunspot numbers and cosmogenic isotopes, supported by historic eclipse images and in conjunction with models, it has been possible to reconstruct annual…Mike Lockwood, Mathew J. Owens, Luke A. Barnard et al.·Aug 16, 2017SaveLearn
Modulation of High-Energy Particles and the Heliospheric Current Sheet Tilts throughout 1976-2014Cosmic ray intensities (CRIs) recorded by sixteen neutron monitors have been used to study its dependence on the tilt angles (TA) of the heliospheric current sheet (HCS) during period 1976-2014,…M. A. El-Borie, S. A. Gwaily, A. A. Bishara·Aug 14, 2017SaveLearn
Effects of equatorial chorus wave normal azimuthal distribution on wave propagationThe non-ducted propagation characteristics of the VLF waves in the inner magnetosphere were studied with respect to their frequency, source localization, and initial wave normal angle, between the…H. Breuillard, D. Mendzhul, O. Agapitov·Aug 12, 2017SaveLearn
A Galactic Cosmic Ray Electron Intensity Increase of a factor of up to 100 At Energies between 3 and 50 MeV in the Heliosheath between the Termination Shock and the Heliopause Due to Solar Modulation As Measured by Voyager 1We have derived background corrected intensities of 3-50 MeV galactic electrons observed by Voyager 1 as it passes through the heliosheath from 95 to 122 AU. The overall intensity change of the…W. R. Webber, N. Lal, B. Heikkila·Aug 7, 2017SaveLearn
Eruptive Event Generator Based on the Gibson-Low Magnetic ConfigurationCoronal Mass Ejections (CMEs), a kind of energetic solar eruptions, are an integral subject of space weather research. Numerical magnetohydrodynamic (MHD) modeling, which requires powerful…Dmitry Borovikov, Igor V. Sokolov, Ward B. Manchester et al.·Aug 4, 2017SaveLearn
LEO-to-ground optical communications using SOTA (Small Optical TrAnsponder) - Payload verification results and experiments on space quantum communicationsFree-space optical communications have held the promise of revolutionizing space communications for a long time. The benefits of increasing the bitrate while reducing the volume, mass and energy of…Alberto Carrasco-Casado, Hideki Takenaka, Dimitar Kolev et al.·Aug 3, 2017SaveLearn
Separator Reconnection at Earth's Dayside Magnetopause: MMS Observations Compared to Global SimulationsWe compare a global high resolution resistive magnetohydrodynamics (MHD) simulation of Earth's magnetosphere with observations from the Magnetospheric Multiscale (MMS) constellation for a…Natalia Buzulukova, John Dorelli, Alex Glocer·Aug 3, 2017SaveLearn
Model of energy spectrum parameters of ground level enhancement events in solar cycle 23Mewaldt et al. 2012 fitted the observations of the ground level enhancement (GLE) events during solar cycle 23 to the double power-law equation to obtain the four energy spectra parameters, the…S. -S. Wu, G. Qin·Jul 30, 2017SaveLearn
Exact law for homogeneous compressible Hall magnetohydrodynamics turbulenceWe derive the exact law for three-dimensional (3D) homogeneous compressible isothermal Hall magnetohydrodynamics (CHMHD) turbulence, without the assumption of isotropy. The Hall current is shown to…Nahuel Andrés, Sébastien Galtier, Fouad Sahraoui·Jul 28, 2017SaveLearn
Statistical study on propagation characteristics of Omega signals (VLF) in magnetosphere detected by the Akebono satelliteThis paper shows a statistical analysis of 10.2 kHz Omega broadcasts of an artificial signal broadcast from ground stations, propagated in the plasmasphere, and detected using an automatic detection…I Made Agus Dwi Suarjaya, Yoshiya Kasahara, Yoshitaka Goto·Jul 26, 2017SaveLearn
Parallel and perpendicular diffusion coefficients of energetic charged particles with adiabatic focusingIt is very important to understand stochastic diffusion of energetic charged particles in non-uniform background magnetic field in plasmas of astrophysics and fusion devices. Using different methods…J. F. Wang, G. Qin·Jul 25, 2017SaveLearn
Importance of CME Radial Expansion on the Ability of Slow CMEs to Drive ShocksCoronal mass ejections (CMEs) may disturb the solar wind either by overtaking it, or by expanding into it, or both. CMEs whose front moves faster in the solar wind frame than the fast magnetosonic…Noé Lugaz, Charles J. Farrugia, Reka M. Winslow et al.·Jul 20, 2017SaveLearn
Magnetic reconnection as a driver for a sub-ion scale cascade in plasma turbulenceA new path for the generation of a sub-ion scale cascade in collisionless plasma turbulence, triggered by magnetic reconnection, is uncovered by means of high-resolution two-dimensional…L. Franci, S. S. Cerri, F. Califano et al.·Jul 19, 2017SaveLearn
Analysis of GRACE range-rate residuals with focus on KBR instrument system noiseWe investigate the post-fit range-rate residuals after the gravity field parameter estimation from the inter-satellite ranging data of the gravity recovery and climate experiment (GRACE) satellite…Sujata Goswami, Balaji Devaraju, Matthias Weigelt et al.·Jul 12, 2017SaveLearn
Universal scaling relation for magnetic sails: momentum braking in the limit of dilute interstellar mediaThe recent progress in laser propulsion research has advanced substantially the prospects to realize interstellar spaceflight within a few decades. Here we examine passive deceleration via momentum…Claudius Gros·Jul 10, 2017SaveLearn
Solar plasma radio emission in the presence of imbalanced turbulence of kinetic-scale Alfvén wavesWe study the influence of kinetic-scale Alfvénic turbulence on the generation of plasma radio emission in the solar coronal regions where the plasma/magnetic pressure ratio β is smaller than the…Olena Lyubchyk, Eduard Kontar, Yuriy Voitenko et al.·Jul 7, 2017SaveLearn