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103 results for “Magnetospheres”
Supporting materials and data from: Hypotheses concerning global magnetospheric convection, magnetosphere-Ionosphere coupling, and auroral activity at Uranus
<p>Summary: <br>The data and figures contained in this dataset are supporting materials for the paper referenced in the title and abstract below. This study involved an analytical and numerical assessment of the Uranian magnetosphere and its interaction with the solar wind and interplanetary magnetic field (IMF). The data and figures contained in this dataset include supplementary results for a greater number of IMF orientations and Uranian seasons than the examples presented in the corresponding paper.</p> <p><br>Abstract from corresponding paper: doi:10.1029/2023JA031791 with Journal of Geophysical Research Space Physics:<br>We investigate the unique magnetosphere of Uranus and its interaction with the solar wind. Following previous work, we developed and validated a simple yet valuable and illustrative model of Uranus' offset, tilted, and rapidly-spinning magnetic field and magnetopause (nominal and fit to the Voyager-2 inbound crossing point) in three-dimensional space. With this model, we investigated details of the seasonal and interplanetary magnetic field (IMF) orientation dependencies of dayside and flank reconnection along the Uranian magnetopause. We found that anti-parallel (magnetic field shear angle greater than 170-degrees) reconnection occurs nearly continuously along the Uranian dayside and/or flank magnetopause under all seasons of the 84 (Earth) year Uranian orbit and the most likely IMF orientations. Such active and continuous driving of the Uranian magnetosphere should result in constant loading and unloading of the Uranian magnetotail, which may be further complicated and destabilized by sudden changes in the IMF orientation and solar wind conditions plus the reconfigurations from the rotation of Uranus itself. We demonstrate that unlike the other magnetospheric systems that are Dungey-cycle driven (i.e., Mercury and Earth) or rotationally driven (Jupiter and Saturn), global magnetospheric convection of plasma, magnetic flux, and energy flow may occur via three distinct cycles, two of which are unique to Uranus (and possibly also Neptune). Our simple model is also used to map signatures of dayside and flank reconnection down to the Uranian ionosphere, as a function of planetary latitude and longitude. Such mapping demonstrates that "spot"-like auroral features should be very common on the Uranian dayside, consistent with observations from Hubble Space Telescope. We further detail how the combination of Uranus' rapid rotation and unique and very active global magnetospheric convection should be consistent with fueling of the surprisingly intense trapped radiation environment observed by Voyager-2 during its single flyby. Summarizing, Uranus is a very special magnetosphere that offers new insights on the nature, complexity, and diversity of planetary magnetospheric systems and the acceleration of particles in space plasmas, which might have important analogs to exoplanetary magnetospheric systems. Our hypotheses can be tested with further work involving more advanced models, new auroral observations, and unprecedented missions to explore the in situ environment from orbit around Uranus, which should include a complement of magnetospheric instruments in the payload. </p>
The electromagnetic ion cyclotron instability affected by the temperature anisotropic electrons in the inner magnetosphere
<p>Data for the paper of "The electromagnetic ion cyclotron instability affected by the temperature anisotropic electrons in the inner magnetosphere".</p>
Identifying the variety of jovian X-ray auroral structures: tying the morphology of X-ray emissions to associated magnetospheric dynamics
<p>The data used in Weigt et al., study <strong><em>"Identifying the variety of jovian X-ray auroral structures: tying the morphology of X-ray emissions to associated magnetospheric dynamics"</em>.</strong> The README.pdf explains what data is used to produce each Figure in the article with links to the Chandra archive and other data repositories. Pipeline to analyse data can be found here: </p> <pre><a href="https://doi.org/10.5281/zenodo.7380282">https://doi.org/10.5281/zenodo.7380282</a> </pre>
Supporting materials and data from: Hypotheses concerning global magnetospheric convection, magnetosphere-Ionosphere coupling, and auroral activity at Uranus
Open the record for dataset details and reuse information.
Simulation data for "Evidence for nonlinear interactions between magnetospheric electron cyclotron harmonic waves"
<p>Growth rate data of ECH waves calculate by the WHAMP code.</p>
PTP dataset of "Narrowband magnetosonic waves near the lower hybrid resonance frequency in the inner magnetosphere: Wave properties and excitation conditions"
<p>PTP dateset of "Narrowband magnetosonic waves near the lower hybrid resonance frequency in the inner magnetosphere: Wave properties and excitation conditions", including the data of Plasmapause Test Particle (PTP) Simulation to identify the plasmapause location with a time resolution of 15 min.</p>
Equatorial pitch angle distributions of 1 – 50 keV electrons in Earth's inner magnetosphere: an empirical model based on the Van Allen Probes observations
<p>This dataset contains the parameters of the pitch angle distribution model of 1 – 50 keV electrons, constructed using data from the HOPE instrument on the Van Allen Probes A using method described in the manuscript, along with the example IDL programs to read in model coefficients and plot out the model PADs.</p>
Data of 3D MHD Simulation for manuscript "Characteristics of Transpolar Arc Motion and its Corresponding Magnetospheric Dynamic Process"
<p>Data of 3D MHD Simulation for manuscript "Characteristics of Transpolar Arc Motion and its Corresponding Magnetospheric Dynamic Process"</p> <p>There are 6 types of data files:</p> <p>1) -3)MHD simulation results for FAC, plasma density, and temperature, projected at the x = -40RE position, with the viewpoint from the magnetotail towards the earth</p> <p>4) FAC mapping.rar. These data are the parametters in the plane of about Z=0 RE, which were mapped to the 7.2 Re, along the magnetic field lines.</p> <p>5) The simulation results of the model are plotted for FAC on Z=0RE.</p> <p>The results of the above data simulation plot are from 20171115 23:00 UT to 20171116 02:00 UT.</p> <p>6) XXBDd0142.rar, which is full 3D Simulation data at 2017.11.16 01:22 UT;</p> <p>All of these data include the following parameters:</p> <p>time, x, y, z, logrho, Vx, Vy, Vz, Bx, By, Bz, Pr, Jx, Jy, Jz, Edj</p> <p>7) SSUSI data at 2017.11.16.</p> <p> </p>
Dataset associated with manuscript "Magnetosphere-ionosphere coupling via prescribed field-aligned current simulated by the TIEGCM"
<p>The dataset is associated with the manuscript "Magnetosphere-ionosphere coupling via prescribed field-aligned current simulated by the TIEGCM". It is based on simulations using the NCAR Thermosphere-Ionosphere Electrodynamics General Circulation Model (TIEGCM) and comparing the thermosphere-ionosphere response during 28-30 May, 2010 geomagnetic storm due to different realizations of magnetosphere-ionosphere (MI) coupling in the model. Results are presented using for MI coupling the Assimilative Mapping of Ionospheric Electrodynamics (AMIE), the empirical Weimer ion convection, and fitted field-aligned current based on observations from the Active Magnetosphere and Planetary Electrodynamics Response Experiment (AMPERE). The output includes among others high latitude quantities of auroral ionization rates, field-aligned current, electric potential, hemispheric integrated Joule heating, and middle and low-latitude zonal mean neutral wind, density, composition, ionospheric Nmf2, TEC and equatorial vertical drift.</p>
Dataset for "Ray Tracing of Whistler Mode Waves in Jupiter's Magnetosphere"
<p>Dataset for "Ray Tracing of Whistler Mode Waves in Jupiter's Magnetosphere". Containing all the ray tracing results that are used in this paper. </p>
Global mixing and transport of solar wind and magnetospheric ions in the nonlinear Kelvin-Helmholtz region across the terrestrial dayside magnetopause
<p>Data of figs 1-6 of the manuscript "Global mixing and transport of solar wind and magnetospheric ions in the nonlinear Kelvin-Helmholtz region across the terrestrial dayside magnetopause".</p>
Case list for the paper "Ionospheric Oxygen Outflows Directly Injected into the Inner Magnetosphere: Van Allen Probes Statistics"
<p>This is the case list for the statistics presented in paper titled "Ionospheric Oxygen Outflows Directly Injected into the Inner Magnetosphere: Van Allen Probes Statistics"</p>
Exploring the Saturnian magnetosphere using pick-up ion distributions
<p>Data set for reproducing the figures from "Pick-up ion distributions in the inner and middle Saturnian Magnetosphere". </p> <p>Among the included files are data snipets used for plotting the specific figures found in the paper. For the full data set please refer to the ODS CAPS and MAG instrument pages. The rest of the files are produced via MATLAB scripts. Please refer to the README.txt file or contat the author for more information.</p>
Transport and distribution of sodium ions in Mercury's magnetosphere: results from multi-fluid MHD simulations
<p>This dataset contains VTK files of the four simulations that are presented in the paper<em> </em><a href="https://essopenarchive.org/doi/full/10.22541/essoar.171629607.76912814/v1">Transport and distribution of sodium ions in Mercury’s magnetosphere: results from multi-fluid MHD simulations</a> .</p> <p>The physical parameters for each of the simulations are summarized below:</p> <div> <div>Sim-1: IMF = [0,0,-8.5] nT, V_sw = [-400,0,0] km/s</div> <div>Sim-2: IMF = [0,0,-8.5] nT, V_sw = [-400,0,0] km/s</div> <div>Sim-3: IMF = [0,0,-8.5] nT, V_sw = [-400,0,0] km/s</div> <div>Sim-4: IMF = [-15.2,8.4,-8.5] nT, V_sw = [-400,50,0] km/s</div> <div> <div> </div> <div>The Hall term is switched off in sim-2, but switched on in the rest of the simulations. The sodium source is used in all the simulations except for sim-3. In all the simulations, the solar wind density is 40 amu/cc with a temperature of 7.5 eV. We refer the readers to the aforementioned paper for more details.</div> </div> </div> <p>These VTK files can be opened with Paraview.</p>
Supporting material to "Effect of magnetospheric conditions on the morphology of Jupiter's UV main auroral emission, as observed by Juno-UVS"
Open the record for dataset details and reuse information.
GS2 gyrokinetic simulation data for manuscript "Turbulent thermal equilibration of collisionless magnetospheric plasmas"
<p>A nonlinear simulation dataset produced by the gyrokinetic simulation code GS2 for the entropy mode driven turbulence in the Z pinch configuration. It includes</p> <ul> <li>Raw simulation data containing the electrostatic potential and density profiles, time series of the particle fluxes and energy-exchange between species, and snapshots of distribution functions.</li> <li>Figures of distribution functions, potential and density profiles.</li> <li>Some Python scripts to analyze the data.</li> </ul>
Data for paper "Low Resource Technique for Measurement of H+ and O+ in the Terrestrial Magnetosphere"
<p>Data set for paper "Low Resource Technique for Measurement of H+ and O+ in the Terrestrial Magnetosphere" to be published in Journal of Geophysical Research: Space Physics (Technical Methods). Data set is a single Microsoft Excel file containing Data Set S1, Data Set S2, Data Set S3.</p>
Processed data of "Observations of Ring Current Proton Fast Local Loss Associated with Deepening Local Minimum in Phase Space Density in Earth's Inner Magnetosphere"
<p>The dataset includs the processed observation data of "Observations of Ring Current Proton Fast Local Loss Associated with Deepening Local Minimum in Phase Space Density in Earth’s Inner Magnetosphere". *.sav files are the phase space densities of protons and the corresponding adiabatic invariants (μ, K, and L*) which are calculated under the T89D magnetic field model (using the observation data measured by the RBSPICE on the Van Allen Probes from 24th to 26th Jun 2017), which are used to plot Figure 1. The data in Processed data for Figures 2-5.zip are the processed data for Figures 2-5. </p>
Data for "Dynamics of Energetic Heliospheric Ions in Pluto's Induced Magnetosphere"
<p>Dataproducts for manuscript titled "Dynamics of Energetic Heliospheric Ions in Pluto's Induced Magnetosphere".</p> <p>Includes files used to generate figures 4-9. Accompanied by a readme.txt file for further description of the file structure and content.</p>
Data for "Triton's Variable Interaction with Neptune's Magnetospheric Plasma"
<p>Data as referenced in "Triton's Variable Interaction with Neptune's Magnetospheric Plasma" submitted to JGR Space Physics.</p>
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