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6 results for “spectral fitting”
Spectral model fitting for all 4XMM-DR11 for all sources
<p>Fitting products for all sources: this deliverable includes fits with a simple model (absorbed power law) to the pipeline count rates from emldetect to all detections in the 4XMM DR11 catalogue.</p>
Model Fit Figures for: The 100 pc White Dwarf Sample in the SDSS Footprint II. A New Look at the Spectral Evolution of White Dwarfs
<p>Figures for the model atmosphere fits to the spectroscopically confirmed white dwarfs in the 100 pc sample and the SDSS footprint (<span>arXiv:2412.04611). </span></p>
Rosetta/VIRTIS-H water spectra and spectral fits
<p>This archive contains 204 figures which shows spectral fits to the S1 data set studied in the paper "The water Ortho-to-Para ratio in the coma of comet 67P/Churyumov-Gerasimenko" by Cheng et al. A&A, 2022.</p> <p>The figure names start with the VIRTIS-H observation number, followed by "MB" or "HB", which indicates which spectral domain is used for the fit.</p>
Best-fit Abundances, Observed Spectra and Spectral Models for the New Sample of Ultracool Dwarf Benchmarks with Detailed Chemical Characterization
<p>Dataset associated with Fisher et al. 2024 in RNAAS <a href="https://iopscience.iop.org/article/10.3847/2515-5172/ad79f0">[link to publication]</a></p> <p><code>summary.mrt</code> is a table of identifiers, photometry, fundamental stellar parameters and detailed chemical compositions for 13 candidate wide binary systems with FGK Main Sequence primaries (5100 K < Teff < 6300 K) and ultracool dwarf companions (2500 K < Teff < 3100 K). Refer to the file header for detailed description of columns and units.</p> <p><code>stars.zip</code> contains the high-resolution spectra of primaries observed with the Automated Planet Finder (APF, program <code>2021B_A010</code>), as well as the corresponding best-fit spectral models. Each FITS file in the archive represents an individual exposure of the primary. The files are arranged in directories by identifiers of the primaries. The total number of exposures varies from source to source.</p> <p>FITS files are composed of a primary HDU and 6 extensions.</p> <ul> <li>The primary HDU contains the unmodified sky-subtracted spectrum of the object as produced by the APF pipeline and published on <a href="https://jump.caltech.edu/">Jump</a>. The spectrum is stored as a 2D array organized by Echelle orders.</li> <li>The first extension contains the corresponding air wavelengths [in A] transformed to the rest frame of the source.</li> <li>The second extension is the boolean mask of pixels included in model fitting.</li> <li>The third extension is the adopted statistical weights of each pixel, estimated as inverse variances under the assumption of Poisson noise.</li> <li>The fourth extension contains the best-fit synthetic spectrum in CGS units of surface intensity per wavelength in A.</li> <li>The fifth extension is the best-fit spline continuum correction between the model and the data.</li> <li>The final extension contains the adopted FWHM of the line spread function in each pixel, estimated by combining in quadrature a wavelength-dependent component with λ/Δλ=120,000 and a best-fit wavelength independent component (the <code>quickblur</code> parameter of the <a href="https://github.com/Roman-UCSD/chemfit">chemfit</a> package)</li> </ul> <p>This repository is for the research note "New Sample of Ultracool Dwarf Benchmarks with Detailed Chemical Characterization" by Fisher et al. It is associated with manuscript number AAS58102.</p>
Rotamer distributions and spectral densities for 'Fitting side-chain NMR relaxation data using molecular simulations'
<p>Rotamer distributions and spectral density functions of methyl-bearing side chains of T4-Lysozyme from all-atom molecular dynamics simulations.</p> <p>3 sets of all-atom MD simulations:</p> <ul> <li>3 x 5 µs a99*-ILDN + modified methyl rotation barriers<sup>1</sup> & TIP4P/2005 water</li> <li>5 x 1 µs a99*-ILDN + modified methyl rotation barriers<sup>1</sup> & TIP4P/2005 water</li> <li>3 x 1 µs a15ipq + modified methyl rotation barriers<sup>2</sup> & SPC/Eb water</li> </ul> <p><sup>1</sup> Hoffmann, F., Mulder, F. A. A., & Schäfer, L. V. (2018). Accurate Methyl Group Dynamics in Protein Simulations with AMBER Force Fields. <em>The Journal of Physical Chemistry B</em>, <em>122</em>(19), 5038–5048. https://doi.org/10.1021/acs.jpcb.8b02769<br> <sup>2</sup> Hoffmann, F., Mulder, F. A. A., & Schäfer, L. V. (2020). Predicting NMR relaxation of proteins from molecular dynamics simulations with accurate methyl rotation barriers. <em>Journal of Chemical Physics</em>, <em>152</em>(8). https://doi.org/10.1063/1.5135379</p>
X-Shooting ULLYSES: Massive Stars at low metallicity VII. Stellar and Wind Properties of B supergiants in the SMC - Appendix F: Spectral energy distributions and spectral fits
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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.