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97 results for “Helium”
Electron Captures on 14N as a Trigger for Helium Shell Detonations
<p>MESA inlists, run_star_extras and patches associated with <a href="https://ui.adsabs.harvard.edu/?#abs/2017ApJ...845...97B">Bauer et al. (2017)</a>. MESA version 8118.</p> <p>Publication DOI: <a href="https://doi.org/10.3847/1538-4357/aa7ffa">10.3847/1538-4357/aa7ffa</a></p>
A possible formation channel for blue hook stars in globular cluster - II. Effects of metallicity, mass ratio, tidal enhancement efficiency and helium abundance
<p>MESA inlists and run_star_extras associated with <a href="https://ui.adsabs.harvard.edu/?#abs/2016MNRAS.463.3449L">Lei et al. (2016)</a>. MESA version 7211.</p> <p>Publication DOI: <a href="https://doi.org/10.1093/mnras/stw2242">10.1093/mnras/stw2242</a></p>
Carbon Shell or Core Ignitions in White Dwarfs Accreting from Helium Stars
<p>MESA inlists and run_star_extras associated with <a href="https://ui.adsabs.harvard.edu/?#abs/2016ApJ...821...28B">Brooks et al. (2016)</a>. MESA version 7624.</p> <p>Publication DOI: <a href="https://doi.org/10.3847/0004-637X/821/1/28">10.3847/0004-637X/821/1/28</a></p>
AM Canum Venaticorum Progenitors with Helium Star Donors and the Resultant Explosions
<p>MESA inlists and run_star_extras associated with <a href="https://ui.adsabs.harvard.edu/?#abs/2015ApJ...807...74B">Brooks et al. (2015)</a>. MESA version 5118.</p> <p>Publication DOI: <a href="https://doi.org/10.1088/0004-637X/807/1/74">10.1088/0004-637X/807/1/74</a></p>
Accretion-induced Collapse from Helium Star + White Dwarf Binaries
<p>MESA inlists and run_star_extras associated with <a href="https://ui.adsabs.harvard.edu/?#abs/2017ApJ...843..151B">Brooks et al. (2017)</a>. MESA version 7624.</p> <p>Publication DOI: <a href="https://doi.org/10.3847/1538-4357/aa79a6">10.3847/1538-4357/aa79a6</a></p>
Code dependencies of pre-supernova evolution and nucleosynthesis in massive stars: evolution to the end of core helium burning
<p>MESA inlists associated with <a href="https://ui.adsabs.harvard.edu/?#abs/2015MNRAS.447.3115J">Jones et al. (2015)</a>. MESA version 3709.</p> <p>Publication DOI: <a href="https://doi.org/10.1093/mnras/stu2657">10.1093/mnras/stu2657</a></p> <p>Files are also available in a gihub repository <a href="https://github.com/swjones/mesa-Teile/tree/master/Jones.etal.2015.MNRAS.447.4.3115">here</a></p>
Dataset for strain-localisation in helium implanted tungsten: CPFE, Laue diffraction, AFM
<p>The folder includes dataset for helium-implanted tungsten and pure tungsten. The data includes measurement of the following for both materials as observed experimentally, and predicted using crystal-plasticity simulations:</p> <p>1. Surface morphology of nano-indents,</p> <p>2. Lattice-distortions around and under nano-indents</p> <p>3. Computed geometrically necessary dislocations field around and under nano-indents in both materials</p> <p>4. Load-displacement curves</p> <p>Guidelines for using dataset:</p> <p>1. Extracting the folder will generate five individual folders</p> <p>2. In the AFM plots folder, use the matlab code and dataset in the the folder to generate the surface morphology of nano-indents.</p> <p>3. In the "CPFE implanted sample data" folder --> use "CPFE implanted matlab code" --> load "variables2" --> run the code (raw data is also provided in the folder)</p> <p>4. In the "CPFE unimplanted sample data" folder --> use "CPFE unimp matlab code" --> load "variables3" --> run the code (raw data is also provided in the folder)</p> <p>5. In the "Laue unimplanted data" folder --> use matlab code with relevant raw data provided in folder</p> <p>6. In the "Laue implanted data" folder --> use matlab code with relevant raw data provided in folder</p> <p>7. Excel sheet provides nano-indentation and CPFE predictions of load-displacement curves</p> <p>8. The folder "HR-EBSD code and data" includes related raw data and codes.</p>
Animations for "Remnants of Subdwarf Helium Donor Stars Ejected from Close Binaries with Thermonuclear Supernovae"
<p>Movies showing time evolution of the density in the z=0 plane for each of the seven Athena++ models in the paper. Each movie file corresponds to one model, labeled according to donor model number and the kinetic energy of the explosion in units of 10<sup>51</sup> ergs.</p>
The variable evolution of accretor stars in binary systems due to accretion of increasingly helium-rich material
<p>Dataset for paper "The variable evolution of accretor stars in binary systems due to accretion of increasingly helium-rich material".</p> <p>You will need the <a href="https://github.com/Krytic/Kaitiaki">Kaitiaki code</a>.</p>
Multidimensional Parameter Study of Double Detonation Type Ia Supernovae Originating from Thin Helium Shell White Dwarfs
<p>This dataset provides the end-state ejecta data for each of the simulations from Boos et al. 2021, along with condensed versions for use in radiative transfer calculations.</p>
High-pressure x-ray diffraction data for arsenolite and its inclusion compound with helium
<p>X-ray diffraction data for arsenolite and its inclusion compound collected at the European Synchrotron Radiation Facility.</p>
High-pressure X-ray diffraction data for arsenolite helium inclusion compound
<p>High-pressure x-ray diffraction data for arsenolite inclusion compound with helium collected at the European Synchrotron Radiation Facility.</p>
Giant Tidal Tails of Helium Escaping the Hot Jupiter HAT-P-32 b
<p>This dataset contains materials presented in the paper ``Giant Tidal Tails of Helium Escaping the Hot Jupiter HAT-P-32 b'' (Zhang et al. 2023) accepted for publication by Science Advances. Please cite this paper and the Zenodo repository if these data are used in your work.</p> <p>Description of these files: </p> <ul> <li><strong>HPF_data.zip</strong> includes all 77 observed HPF spectral data of HAT-P-32 A+b.</li> <li><strong>HAT-P-32b_properties.csv</strong> includes our measured spectroscopic and physical properties of the planetary system. Columns of this file are explained in a README file <strong>README_HAT-P-32b_properties.dat</strong></li> <li><strong>3d_simulation_EW_vs_orbital_phase.dat</strong> includes the helium excess equivalent widths as a function of the planet's orbital phase, as predicted by our 3D hydrodynamic simulations</li> <li><strong>3d_simulation_orbital_phase_vs_helium_central_wavelength.dat</strong> includes the central wavelength of helium excess spectral feature (in the stellar restframe) as a function of the planet's orbital phase, as predicted by our 3D hydrodynamic simulations. </li> </ul>
Helium-oxygen Gas Mixtures Delivered by a High Flow Nasal Cannula in Bronchiolitis
ClinicalTrials.gov study NCT02373683. IPD Sharing: Not stated. Countries: 1. Publications: 10.
Study of the Effect of VX-770 on Hyperpolarized Helium-3 Magnetic Resonance Imaging in Subjects With Cystic Fibrosis and the G551D Mutation
ClinicalTrials.gov study NCT01161537. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Alpha and helion particle charge radius difference by spectroscopy of quantum-degenerate helium
Open the record for dataset details and reuse information.
Data from: A pulsar-helium star compact binary system formed by common envelope evolution
Open the record for dataset details and reuse information.
LiF data pack supporting "Observation of diffraction contrast in scanning helium microscopy"
<p>All the experimental data from the paper is included in this data pack including both the images and the z scans. </p> <p>Images from the paper are presented in three different formats with filenames scan00*****:</p> <p>1) .png file which is an unprocessed image of the raw data. <br> 2) .gwy file which is an unprocessed version of the data that can be opened in Gwyddion<br> 3) .mat file which contains all the measured data that can be opened in MATLAB</p> <p>The .mat file contains the most information and requires some explanation to easily understand.<br> The data is saved in a structure named meas, the key fields are as follows:</p> <p>meas.target - A matrix of the target position for each pixel, with a column for each of the x,y coordinates<br> meas.inputs - Input parameters used in the scanning program to collect the data<br> meas.initial_pos - Position of each the three stages at the start of the scan. The 3rd coordinate is the z scan and does not change throughout the scan<br> meas.data - A vector of the measured current at each pixel in Amps<br> meas.image - A matrix that represents the acquired image</p> <p>The remaining fields are explained at the bottom of the readme.</p> <p>The z scans are saved Z*****.mat and can be opened in MATALB.<br> The key variables in the data files are:</p> <p>z_position - Raw z coordinate of the positioner in nm<br> current_z - Measured current at each point in Amps<br> m - Horizontal scan gradient (approximately 1)<br> m2 - Vertical scan gradient (approximately 0)<br> step_pos - x coordiate at z_position=0<br> step_pos_v - y coordinate at z_position=0</p> <p>The x,y position at each point in the scan can then be obtained from<br> x=step_pos + m*(z_position)<br> y=step_pos_v + m2*(z_position)</p> <p><br> The true z distance between the pinhole and the sample in nm can be calculated from z=z_position-4295000</p> <p>The included data in the pack contains:</p> <p>Images presented in the paper:<br> scan001357<br> scan001361<br> scan001398<br> scan001415</p> <p>Z000006.mat - z scan of flat region<br> Z000008.mat - z scan of heavily distorted region<br> Z0000012.mat - z scan of lightly distorted region<br> Z000013.mat - z scan of HOPG</p> <p>z_scan_movie.avi - Video illustrating how the images vary with z<br> scan001401-scan001413 - Data to produce the video</p> <p>In addition, the analysis scripts have been included for reference. <br> The scripts can be used to regnerate the figures in the paper.</p> <p><br> The remaining fields in the meas structure are:<br> meas.date_time - Start date and time of the scan<br> meas.type - Scan pattern of the image. Always raster_jump<br> meas.p1 - Unused pressure<br> meas.p2 - Unused pressure<br> meas.p3 - Unused pressure<br> meas.p_srce - Source pressure at the start of the scan<br> meas.p_diff - Differential stage pressure at the start of the scan<br> meas.p_smpl - Sample pressure at the start of the scan<br> meas.p_det - Detector pressure at the start of the scan<br> meas.N_dwell - Number of current measurements taken at each pixel<br> meas.comments - comments (unused)<br> meas.det_params - Detector parameters used in the scan<br> meas.labtemp - A vector of the labtemp at each pixel (unused)<br> meas.return_state - Error status <br> </p>
3D lookup tables for helium-graphene interaction for uniaxially strained graphene in the armchair direction
<p>Data files containing the 3D lookup tables for the helium-graphene Lennard Jones interaction for uniaxially strained graphene in the armchair direction from 0$\AA$ to 10$\AA$. Path integral Monte Carlo simulations can be performed using these data files and our open source code located <a href="https://code.delmaestro.org/">here</a>.</p>
On The Impact of 22Ne On The Pulsation Periods of Carbon-Oxygen White Dwarfs With Helium Dominated Atmospheres
<p>This file contains the python scripts needed to re-produce figures 2-11 in our paper. It also contains the information to re-run our 22Ne tests and other WD mass models. The README.md file contains a more detailed description of the data. </p>
ScienceDex guides
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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.