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9 results for “heliosphere”
Catalog of Coronal Mass Ejections Observed in Conjunction between Radially Aligned Spacecraft in the Inner Heliosphere
<p>This catalog lists 47 CME events observed in a longitudinal conjunction between MESSENGER, Venus Express, STEREO, and Wind/ACE. We list the onset date and time of the probable CME candidate. If the CME was observed by LASCO onboard the SOHO<br> spacecraft, we report the average CME onset time as calculated in the CDAW catalog (average between first-order-constant speed and second-order-constant acceleration onset times). Otherwise, we report the time of the first STEREO/COR image containing the<br> CME. We then list the arrival times of the shock/discontinuity, magnetic ejecta leading edge and trailing edge at spacecraft 1 and 2. Arrival times at MESSENGER are listed from Winslow et al. (2015, 2017), Venus Express from Good and Forsyth (2016), STEREO from Jian, Russell, Luhmann, and Galvin (2018), and L1 from Richardson and Cane (2010). We also list the heliocentric distances of the spacecraft at the CME onset time, the longitudinal separation between the spacecraft when the discontinuity/ejecta arrives<br> at spacecraft 1, and the maximum magnetic field strength observed in the CME (including both the sheath and the ejecta) at each spacecraft. The maximum magnetic field strength measured in the CME at MESSENGER are listed from Winslow et al. (2015, 2017), the maximum magnetic field strength measured in the ejecta at Venus Express are listed from Good and Forsyth (2016). The longitudinal separations are in Heliographic Inertial (HGI) coordinates. We also list the initial CME speed. For the speed, we select the coronagraph which observed the CME closest to a limb event. Limb views signicantly minimize projection effects as compared to halo views and provide a better estimate of CME speeds. When LASCO observed the CME as a limb event, we report the second-order CME speed at 20 Rs (solar radius) listed in the CDAW catalog. For STEREO observations, we report the maximum<br> speed as listed in the CACTus catalog. We also list the average impact speeds at spacecraft 1 from the DBM (Vrsnak et al., 2013) and either the average impact speeds (when spacecraft 2 is Venus Express) or the maximum CME speed (when spacecraft 2 is<br> STEREO/Wind/ACE) measured at spacecraft 2. The maximum CME speeds measured at STEREO are listed from Jian et al. (2018) and at L1 listed from Richardson and Cane. (2010). We list the average transit speeds as well between the Sun and spacecraft 1,<br> spacecraft 1 and spacecraft 2, and the Sun and spacecraft 2.</p>
The effects of solar cycle variability on nanodust dynamics in the inner heliosphere: Predictions for future STEREO A/WAVES measurements
<p>This dataset contains results from the associated manuscript in JGR Space Physics. The dataset consists of two-dimensional nanodust grain fluxes in the HEEQ equatorial plane for various specified Carrington Rotations (CRs), as specified in the parent manuscript.</p>
Simulation for the calibration of radiation housekeeping monitor onboard BepiColombo/MMO and application to the inner heliosphere exploration
<p>I appreciate your interest in this paper.</p> <p>These archived data are used for Kinoshita et al., (2024).</p> <p>If you have further questions about these data, please feel free to contact me.</p> <p>E-mail: g-kinoshita20686@g.ecc.u-tokyo.ac.jp</p> <p> </p> <p>Sincerely,</p> <p>Gaku Kinoshita</p>
On the seed population of solar energetic particles in the inner heliosphere : simulation data
<p>Figures and simulation data of the paper titled 'On the seed population of solar energetic particles in the inner heliosphere', which is submitted to the <em>Journal of Geophysical Research: Space Physic</em>s. The simulation data consist of all the output from the EUHFORIA model and the PARADISE model that was used in the paper. The abstract of the paper is:</p> <p><em>Particles measured in large gradual solar energetic particle (SEP) events are believed to be predominantly accelerated at shocks driven by coronal mass ejections (CMEs). Ion charge state and composition analyses suggest that the origin of the seed particle population for the mechanisms of particle acceleration at CME-driven shocks is not the bulk solar wind thermal material, but rather a suprathermal population present in the solar wind. This suprathermal population could result from remnant material accelerated in prior solar flares and/or preceding CME-driven shocks. In this work, we examine the distribution of this suprathermal particle population in the inner heliosphere by combining a magnetohydrodynamic (MHD) simulation of the solar wind and a Monte-Carlo simulation of particle acceleration and transport. Assuming that the seed particles are uniformly distributed near the Sun by solar flares of various magnitudes, we study the longitudinal distribution of the seed population at multiple heliocentric distances. We consider a non-uniform background solar wind, consisting of fast and slow streams that lead to compression and rarefaction regions within the solar wind. Our simulation shows that the seed population at a particular location (e.g., 1 au) is strongly modulated by the underlying solar wind configuration. Corotating interaction regions (CIRs) and merged interactions regions (MIRs) can strongly alter the energy spectra of the seed particle populations. In addition, cross-field diffusion plays an important role in mitigating strong variations of the seed population in both space and energy. </em></p>
Dataset for the manuscript: Nonlinear Coupling of Kinetic Alfven Waves and Ion Acoustic waves in the Inner Heliosphere
<ol> <li>The file ef00 is the magnetic field profile data written for every t=0.5 starting from 0 to 200 with 128 by 128 grid point in space. It is used to produce Figure 1 of the paper plotted by using matlab m file filaments.m.</li> <li>The file dx00 is the density data taken at x=0 at different z. Figure 2 of the paper is plotted by matlab file density.m</li> <li>The data file esz0 is uesd in wavenumber.m to plot figure 3 of the paper</li> <li>The data file ekx0 is used to plot figure 4 in fullspectra.m </li> <li>The data file ekz0 is used to plot figure 5 in matlab m file bkspectkx.m</li> <li>The file eekz0 is used to plot figure 6 in the matlab m file spectrakx.m</li> <li>The matlab code heat.m is used to plot figure 7 of the paper</li> </ol>
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>
The effects of solar wind structure on nanodust dynamics in the inner heliosphere
Open the record for dataset details and reuse information.
Application of a Modified Spheromak Model to Simulations of Coronal Mass Ejection in the Inner Heliosphere
<p>Data for the Space Weather paper titled "Application of a Modified Spheromak Model to Simulations of Coronal Mass Ejection in the Inner Heliosphere"</p>
Comet Data from the Solar and Heliospheric Observatory (SOHO)
This archive bundle contains collections of comet observations and derived results from the SOHO data archives, with related documentation.
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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)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
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.