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Dataset results
103 results for “magnetosphere”
Dataset for "Galileo observation of electron spectra dawn-dusk asymmetry in the middle Jovian magnetosphere: Evidence for convection electric field"
<p>This dataset contains the numerical values used to generate the figures in the main article and supporting information.</p>
SubAuroral Red Arc Generated by Inner Magnetosphere Heat Flux
<p>This data repository contains necessary data files and plotting scripts that support Lin et al. SubAuroral Red Arc Generated by Inner Magnetosphere Heat Flux.</p> <p>CIMI_HF_fig1.nc contains processed energetic H+ and O+ ion energy spectra measured by the HOPE instrument onboard RBSP-B satellite, and electron heat flux derived from the RBSP data and simulated by the Comprehensive Inner Magnetosphere Ionosphere model.</p> <p>CIMI_HF_fig2.nc contains electron temperature, density, and red line 6300 A emission rate from the TIEGCM simulation experiment for CIMI heat flux.</p> <p>CIMI_HF_fig3a.nc contains the zonal ion drift from the empirical SAPS model.CIMI_HF_fig3b.nc contains electron temperature, density, and red line 6300 A emission rate from the TIEGCM simulation experiment for empirical SAPS.</p> <p>CIMI_HF_fig4a.nc contains the 6300 A emission rate from the baseline and CIMI heat flux TIEGCM runs.CIMI_HF_fig4b.nc contains the 6300 A emission rate from the baseline and empirical SAPS TIEGCM runs.</p>
Substorm Dataset and code (Substorm Identification With The WINDMI Magnetosphere - Ionosphere Nonlinear Physics Model)
<p>The archive contains MATLAB Live Script (<code>.mlx</code>) and Simulink model (<code>.slx</code>) files.</p> <ul> <li> <p><strong><code>.mlx</code> files:</strong> MATLAB Live Scripts are interactive files that combine code, output, and formatted text in a single document. They are used for data analysis, visualization, and sharing workflows in an easy-to-read format. These files can be opened in MATLAB's Live Editor for an interactive coding experience.</p> </li> <li> <p><strong><code>.slx</code> files:</strong> Simulink model files are used in MATLAB's Simulink environment for graphical modeling and simulation of dynamic systems. They are particularly useful for designing and analyzing systems with time-dependent behaviors, such as control systems or physical processes.</p> </li> </ul>
Simulation of Cold Ion Transport Originating from the SED Plume into Dayside Magnetosphere
<p>Data output from DyFK simulations for ''Simulation of Cold Ion Transport Originating from the SED Plume into Dayside Magnetosphere''. Data descriptions are listed in "dataDescription.docx". </p>
Modification of the Loss Cone for Energetic Particles in the Earth's Inner Magnetosphere
<p>Journal of Geophysical Research</p> <p>Computer generated data to study the shift of the loss cone</p>
Data from: Non-Adiabatic Acceleration of Injected Electrons in the Inner Magnetosphere: Joint Observations by the Van Allen Probe and the BeiDa Imaging Electron Spectrometer
<p>The dataset is associated with the study entitled "Non-adiabatic acceleration of injected electrons in the inner magnetosphere: Joint observations by the Van Allen Probe and the BeiDa Imaging Electron Spectrometer"</p> <p>The file includes directional electron flux data obtained by the BeiDa Imaging Electron Spectrometer and follows NASA's Common Data Format (CDF).</p>
Data for Magnetosphere-Ionosphere-Thermosphere Coupling Study at Jupiter Based on Juno's First 30 Orbits and Modeling Tools
<p>Data used in the code associated to the manuscript "Magnetosphere-Ionosphere-Thermosphere Coupling Study at Jupiter Based on Juno’s First 30 Orbits and Modeling Tools", by Al Saati et al. (2022, Journal of Geophysical Research - Space Physics, https://doi.org/10.1029/2022JA030586). Please read the documentation associated with the corresponding code.</p>
Substorm Dataset (SI Dataset 1 - Substorm Identification With The WINDMI Magnetosphere - Ionosphere Nonlinear Physics Model)
<p>Dataset information on substorm onset times, magnetic local times, magnetic latitudes, geographic latitudes, and longitudes, along with detection techniques and their abbreviations (utilized by authors Forsyth, Frey, Liou, Newell, and Ohtani). Columns denote the presence (1) or absence (0) of substorms detected by each technique. Time differences between substorms are recorded. Additionally, it includes counts of techniques detecting substorm onsets, WINDMI model trigger occurrences based on field-aligned current crossing a critical threshold, Geotail current with median and 70th percentile Ic, where Ic doubles as the threshold for WINDMI substorm detection, and maximum field-aligned current during substorm onsets.</p>
Electron Physics in 3D Two-Fluid Ten-Moment Modeling of Ganymede's Magnetosphere
<p>The dataset is produced for the manuscript "Electron Physics in 3D Two-Fluid Ten-Moment Modeling of Ganymede's Magnetosphere" accepted by the JGR - Space Physics. The script mirdip.lua was used to perform the simulation by the Gkeyll multi-fluid high-moment code. The simulation produced output files in the HDF5 format following the VizSchema description, both are open-source. The output file can be visualized by free, open-source toolkit ParaView. In the file mirdip_q_10.h5, the state quantities are stored in the 4d array "StructGridField" in the layout of NZ * NY * NX * NCOMP, where NX, NY, and NZ are cell numbers in each direction, and NCOMP = 28 is the number of state quantities in the order of ten electron moment terms, ten ion moment terms, six electromagnetic field terms and two correction potential terms.</p>
Precipitating electron fluxes of the magnetosphere-ionosphere coupling processes
<p>Numerical data for he precipitating electron fluxes, at altitude of 800 km, of the magnetosphere-ionosphere coupling processes, calculated for both Maxwell and Kappa distributions - used in Khazanov et al. (2018), in review.</p>
Magnetospheric `penetration' of IMF By viewed through the lens of an empirical RBF modeling
<p>(1) The model sample source code (fortran), named B_calculation_sample_source_code.for</p> <p>(2) Two data files for IMF Bz>0 and Bz<0 with self-explanatory filenames Bz_gt_0_All_By.dat and Bz_lt_0_All_By.dat </p> <p>(3) A text file, named Data_format.txt, with a description of the data format of the above data files. <br> (4) A file Kurihara_3D_grid.dat containing coordinates of the RBF grid nodes (required as input to the model source code)</p> <p>(5) Two model input parameter files, named Parameters_Negative_IMF_Bz.par and Parameters_Positive_IMF_Bz.par</p> <p>(6) A file <a href="https://zenodo.org/api/files/9e2ade95-5805-4a8f-9e22-4a61031927f5/TA15_Model_description.pdf?versionId=c46c8fe5-4fd5-4bf5-921b-2da142226051">TA15_Model_description.pdf</a> with details on the interplanetary N- and B-indices, included in the data files</p>
Code for 'Revealing the Local Time Structure of the Alfven Radius and travel times in Jupiter's magnetosphere'
Open the record for dataset details and reuse information.
A Magnetospheric Driver of Westward Traveling Surge: Plasma-Sheet Bubble
<p>The text files are RCM-I simulation output. The file names specify simulation time (format: hhmmss). The stored quantities are, "I","J","COLAT","ALOCT","MLT","BNDLOC","XMIN","YMIN","FTV","BMIN (northward component of magnetic field)","V (electric potential)", "BIRK_fromV(NH) (Field-aligned current)","P(RCM),nPa", "PV_gamma (entropy)","Vtotx (the total plasma velocity included ExB drift and gradient-curvature drift)", "Vtoty","Vx_exb (ExB drift due to the electric potential)","Vy_exb","vel_x (ExB drift due to induction electric field)","vel_y","Ey","PEDLAM", "PEDPSI", "HALL", "RCM_T_p (proton temperature)","RCM_T_e (electron temperature)","RCM_N_e (electron number density)","EFLUX","EAVG","f_i_5-15","f_i_15-25","f_i_113-170","f_i_170-250","f_i_250-400","f_e_5-15","f_e_15-25","f_e_105-150","f_e_150-225","f_e_225-315","f_e_315-500","Vm"</p>
H-alpha Emission as a Diagnostic of Plasma Transport Mechanics in Centrifugal Magnetospheres
<p>Approximately one quarter of magnetic early (B5-B0) B-type type stars display Balmer line emission originating in centrifugal magnetospheres (CMs). Indeed, the CMs of these stars are uniquely detectable in all available magnetospheric diagnostics (radio synchrotron, NIR, Balmer emission, UV emission, and X-rays), and therefore represent an excellent opportunity for detailed study of magnetospheric plasmas. All CM host-stars are young, possess strong magnetic fields, and are rapid rotators, properties consistent with expectations from the Rigidly Rotating Magnetosphere model and evolutionary models incorporating magnetic braking. The nature of mass transport within CMs has been debated, with two competing scenarios: centrifugally driven magnetic reconnection due to overloading of the magnetic field by the stellar wind, and leakage arising from diffusion and drift of ions across magnetic field lines. We have conducted the first detailed study of the Halpha emission properties of the population of CM host stars. The results demonstrate that mass balancing must be accomplished by breakout. We find that emission strength is independent of mass-loss rate and can, to first order, be predicted simply by the strength of the equatorial magnetic field at the Kepler corotation radius. However, an apparent cutoff in the presence of emission lines at low luminosities may be indicative of diffusion/drift mechanisms becoming dominant in the weak-wind regime. We briefly point to potential implications of these results for X-ray and radio synchrotron emission.</p>
LANL electron flux and ephemeris data for two magnetospheric substorms
<p>These are the data that accompany a paper titled "Impact angle control of local intense dB/dt variations during shock-induced substorms" by the same authors listed here. The paper has been submitted submitted to the journal Space Weather.</p> <p>There are two txt data file for two dates: 5 April 2010 and 20 September 2015. Each file contains LANL ephemeris and electron flux data (channels 86 keV, 176 keV, 254 keV, 586 keV). The first file contains LANL-1989-046 data, whereas the second file contains LANL-01A data. These data were used to make Figure 6 (LANL positions) and Figure 9 (electron flux) in the above mentioned paper.</p>
3D MHD Simulations of Magnetospheres from Obliquely Rotating Magnetic Massive Stars
<p>We present results from the first 3D MHD simulations of the stellar-wind-fed magnetospheres from massive stars with a dipole magnetic axis that has an arbitrary obliquity angle (<span class="math-tex">\(\beta\)</span>) to the star’s rotation axis. As an initial direct application, we examine the global structure of co-rotating disks for tilt angles <span class="math-tex">\(\beta =\)</span> 0, 45 and 90 degrees using <span class="math-tex">\(\zeta\)</span> Pup stellar parameters as a prototype. We find that for models with rapid stellar rotation (~0.7 critical rotation), accumulation surfaces closely resemble the form predicted by the analytic Rigidly Rotating Magnetosphere (RRM) model, but with a mass distribution and outer disk termination set by centrifugal breakout processes. Moreover, models with low stellar rotation rates show a far more variable and complex structure than simple predictions. These models can be used to synthesize rotational modulation of photometric absorption and H-alpha emission for a direct comparison with observations.</p>
Dataset of Simulation of Dawn-to-Dusk Electric Field in the Jovian Inner Magnetosphere via Region 2-like Field-Aligned Current
<p>This dataset contains the input parameters and the simulated results used for figures in the paper "Simulation of Dawn-to-Dusk Electric Field in the Jovian Inner Magnetosphere via Region 2-like Field-Aligned Current" by Y. Nakamura, K. Terada, C. Tao, N. Terada, Y. Kasaba, F. Leblanc, H. Kita, A. Nakamizo, A. Yoshikawa, S. Ohtani, F. Tsuchiya, M. Kagitani, T. Sakanoi, G. Murakami, K. Yoshioka, T. Kimura, A. Yamazaki, and I. Yoshikawa.</p> <p>Detailed informations about the data files can be found in "README.txt".</p>
Simulation data for Upstream shift of generation region for whistler-mode rising-tone emission in the magnetosphere
<p>Simulation data for the article "Upstream shift of generation region for whistler-mode rising-tone emission in the magnetosphere" by Nogi and Omura (2023).</p> <p>Nogi, T., & Omura, Y. (2023). Upstream shift of generation region of whistler-mode rising-tone emissions in the magnetosphere. <em>Journal of Geophysical Research: Space Physics</em>, <em>128</em>, e2022JA031024. https://doi. org/10.1029/2022JA031024</p>
Wave and Particle Analysis of Z-mode and O-mode Emission in the Jovian Inner Magnetosphere
<p>This is the supporting data set for the paper by the same title published in AGU JGR Space Physics.</p> <p><strong>Key Points:</strong></p> <ul> <li>Intense Z-mode and O-mode in the Jovian inner magnetosphere yield important plasma parameters</li> <li>Direction finding suggests that each mode is from a different source region</li> <li>Quasilinear wave analysis of in-situ phase space density provides wave growth temporal development</li> </ul> <p><strong>Abstract</strong></p> <p>We report some of the most intense Z-mode and O-mode observations obtained by the Juno spacecraft while in orbit about Jupiter in a low to mid-latitude region near the inner edge of the Io torus. We have been able to estimate the density of the plasma in this region based on the lower frequency cutoff of the observed Z-mode emission. The results are compatible with the electron density measurements of the Jovian Auroral Distributions Experiment (JADE), on board the Juno spacecraft, if we account for unmeasured cold plasma. Direction-finding measurements indicate that the Z- and O-mode emission have distinct source regions. We have also used the measured phase space density of the JADE and the Jupiter energetic particle detector (JEDI) instruments to calculate estimated local growth rates of the observed O-mode and Z-mode emission assuming a loss cone instability and quasilinear analysis. The results suggest the emissions were observed near, but not within, a source region, and the free energy source is consistent with a loss cone. We have thus carried out the quasilinear wave analysis of the assumed remote Z- and O-mode wave growths. It is shown that the remotely generated waves, propagated through an inhomogeneous medium to the satellite location, may account for the observed wave characteristics. The importance of Z-mode in accelerating electrons in the inner Jovian magnetosphere make these new wave mode confirmations at Jupiter of particular interest.</p> <p> </p>
Complex Whistler-Mode Wave Features Created by a High Density Plasma Duct in the Magnetosphere
<p>Raytracing simulation trajectories (from "DenRay" code) for modeling an RBSP observation of a duct-like structure in the magnetosphere.</p> <p>The data is saved in MATLAB's '.mat' format. it contains the following variables:</p> <p>x: x- position of rays</p> <p>z: z- position of rays</p> <p>kx: x-component of whistler mode wavevector</p> <p>kz: x-component of whistler mode wavevector</p> <p>t: vector of times along ray trajectory</p> <p>The dataset includes 10,000 rays and 859 time steps per ray.</p> <p>Please contact Vijay Harid (vijay.harid@ucdenver.edu) for specifics on the simulation.</p>
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.