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66 results for “ALMA”
Data from "A multi-frequency ALMA characterization of substructures in the GM Aur protoplanetary disk"
<p>Image cubes, self-calibrated visibilities, and self-calibration and imaging scripts for data associated with Huang et al., 2020, "A multi-frequency ALMA characterization of substructures in the GM Aur protoplanetary disk," The Astrophysical Journal, 891, 48, arXiv:2001.11040</p> <p>The raw data are available on the ALMA archive under program IDs 2017.1.01151.S and 2018.1.01230.S (PI: Jane Huang). </p> <p><strong>Scripts:</strong></p> <p>reduction_utils.py: Set of helper functions for self-calibration scripts</p> <p>B4continuumreduction.py: Self-calibration and imaging script for Band 4 (2.1 mm) continuum (GMAurB4continuumfinal.image.fits) from GMAurB4continuum.final.ms.tgz</p> <p>B6continuumreduction.py: Self-calibration and imaging script for Band 6 (1.1 mm) continuum (GMAurB6continuumfinal.image.fits) from GMAurB6continuum.final.ms.tgz</p> <p>HCOp_imaging.py: Script producing GMAur_HCOp_continuumsubtracted.image.fits and GMAur_HCOp_withcontinuum.image.fits from GMAurB6_HCOp.ms.contsub.cvel and GMAurB6_HCOp.ms.cvel, respectively</p> <p><strong>Measurement sets:</strong></p> <p>GMAurB4continuumfinal.ms.tgz: Self-calibrated 2.1 mm continuum visibilities for GM Aur</p> <p>GMAurB6continuumfinal.ms.tgz: Self-calibrated 1.1 mm continuum visibilities for GM Aur</p> <p>GMAurB6_HCOp.ms.cvel.tgz: Self-calibrated HCO<sup>+ </sup>3-2 visibilities without continuum subtraction</p> <p>GMAurB6_HCOp.ms.contsub.cvel.tgz: Self-calibrated HCO<sup>+ </sup>3-2 visibilities with continuum subtraction</p> <p><strong>Images: </strong></p> <p>GMAurB6continuumfinal.image.fits: 1.1 mm continuum image of GM Aur</p> <p>GMAurB4continuumfinal.image.fits: 2.1 mm continuum image of GM Aur</p> <p>GMAur_HCOp_withcontinuum.image.fits: HCO<sup>+ </sup>3-2 image cube toward GM Aur without continuum subtraction</p> <p>GMAur_HCOp_continuumsubtracted.image.fits: HCO<sup>+ </sup>3-2 image cube toward GM Aur with continuum subtraction</p> <p> </p> <p> </p>
Data from "The first ALMA survey of protoplanetary discs at 3 mm: demographics of grain growth in the Lupus region"
<p>Table 1 and Table 2 from Tazzari et al., 2021, "The first ALMA survey of protoplanetary discs at 3 mm: demographics of grain growth in the Lupus region", Monthly Notices of the Royal Astronomical Society, arXiv:2010.02248</p> <p>Both tables are available in IPAC format, which is in human- and machine-readable:</p> <pre><code class="language-python">from astropy.io import ascii tb = ascii.read('Table1.txt', format='ipac')</code></pre> <p>Table comments (stored at the beginning of the ASCII file as lines starting with "/") can be read as:</p> <pre><code class="language-python">tb.meta['comments'] </code></pre> <p> </p>
PDS 111: 1.3mm continuum and 12CO emission - ALMA observations
<p>The self-calibrated ALMA observations at 1.3mm wavelength of the PDS 111 system, published in Derkink et al. (2024). These observations were part of the ALMA Program ID 201.1.01705.S. Please check the README.txt for more details about each file. </p>
REsolved ALMA and SMA Observations of Nearby Stars (REASONS)
<p>This is the data release of the REASONS survey, a sample of planetesimal belts around nearby stars resolved interferometrically (see journal article for full details). Every tar file corresponds to a planetary system, and contains:<br>Data:<br>1 - the calibrated continuum visibility data in CASA .ms format<br>2 - a FITS file with the non-primary-beam-corrected image of the system. <br>3 - a PDF image of the system<br>Visibility modelling results:<br>4 - an ASCII file ('*_fitresults.txt') containing the results of the MCMC visibility fitting, as reported in Table X in the article but containing extra parameters fitted (such as background sources, extra astrometry for fits of multiple datasets/pointings, weight-rescaling factors)<br>5 - an ASCII notes ('*_fitnotes.txt') file, which should always be consulted when interpreting the fit results, as it typically points out peculiarities in the posterior probability distributions.<br>6 - a PDF of the triangle ('corner') plot of the N-dimensional posterior probability distribution of the fitted parameters, which should be consulted to get a better idea of the results reported in the ASCII files.<br>7 - a PDF image (targetstar_imagecombo.pdf) showing the data, model, residuals and visibility data+model curves, to visually evaluate the goodness of the visibility fit.<br>8 - a PDF image (targetstar.pdf) showing the multiwavelength photometry for the planetary system and a star+belt modified-blackbody fit, with parameters reported in the journal article.<br>Please refer to the journal article for more details on the methods used to obtain these data and modelling results.</p>
RW Aur: 1.3mm continuum and CO isotopologues - ALMA observations
<p>The <strong>self-calibrated ALMA observations at 1.3mm wavelength of the RW Aur</strong>, published in <strong>Kurtovic et al., (2024c)</strong>. These observations are separated by epoch, and classified with the sufix LB or SB for "Long Baselines" and "Short Baselines". Please check the <strong>README.txt</strong> for more details about each file.</p>
Europa spectral images of HCN, SO2, H2CO and CH3OH observed using ALMA
<p>This dataset contains observations of Europa carried out using the Atacama Large Millimeter/submillimeter Array (ALMA) on four dates in 2021, using the Band 7 receiver. The targeted spectral lines included HCN ($J=4-3$; 354.505 GHz), H$_2$CO ($J_{K_a,K_c}=5_{1,5}-4_{1,4}$; 351.769 GHz), SO$_2$ ($J_{K_a,K_c}=5_{3,3}-4_{2,2}$; 351.257 GHz), observed at 122~kHz resolution, and CH$_3$OH ($J_K = 4_0 - 3_{-1}\ E$; 350.688 GHz), observed at 61 kHz resolution. The interferometric data were cleaned and imaged using CASA, with a pixel size of 0.02'' and a clean mask of 1.1''. The resulting spatial resolution is ~0.15 arcseconds.</p> <p>The data includes FITS image cubes and PDF spectral maps for each molecule, on each observing date. See FITS headers for further details. For each PDF, the ALMA beam FWHM is indicated lower left (dot-dashed ellipse); upper right axes show physical distances in the plane of the sky, while lower left axes show the spectral units for each sub-panel.</p>
Maps of thermal inertia, dielectric constant and brightness temperature of asteroid (16) Psyche derived from ALMA data
<p>These data and results are in support of the findings by Cambioni, S., de Kleer, K. and Shepard, M. in their paper "The Heterogeneous Surface of Asteroid (16) Psyche", Journal of Geophysical Research: Planets, link: https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/2021JE007091. </p> <p>If using any of this material, please cite the above article as doi: 10.1029/2021JE007091</p> <p> </p>
DF Tau: 1.3mm ALMA observations of the young binary DF Tau
<p>The <strong>self-calibrated ALMA observations at 1.3mm wavelengths of the young binary system DF Tau</strong>, published in <strong>Grant et al., (2024)</strong>. These observations are separated by epoch, and classified with the sufix LB or SB for "Long Baselines" and "Short Baselines". SB1 and LB1 are the observations from ALMA project ID:2019.1.01739.S (PI: Tofflemire, Benjamin), while SB2 and LB2 are from ALMA Project ID:2021.1.00854.S (PI: Long, Feng). </p>
Fig. 2 in Late Cretaceous crest-bearing shrimps from the Sahel Alma Lagerstätte of Lebanon
Fig. 2. Type material of crest−bearing shrimp Palaeobenthesicymus libanensis (Brocchi, 1875) from the Sahel Alma Lagerstätte (upper Santonian, Lebanon). A. Reproduction of Brocchi's (1875) lithography, left lateral view, specimen considered to be definitively lost. B. Complete specimen (MNHN.F.A30593, Arambourg collection), left lateral view, specimen chosen as neotype for P. libanensis (Brocchi, 1875). Photograph (B1) and camera lucida line drawing (B2), note the well−developed rostral crest and the bilobed eyes.
Fig. 9 in Late Cretaceous crest-bearing shrimps from the Sahel Alma Lagerstätte of Lebanon
Fig. 9. Reconstruction of crest−bearing shrimp Palaeobenthesicymus libanensis (Brocchi, 1875). Drawing: Charlène Letenneur (MNHN, scientific draughtsman).
Fig. 1 in Late Cretaceous crest-bearing shrimps from the Sahel Alma Lagerstätte of Lebanon
Fig. 1. Map of Lebanon showing the main fossiliferous localities yielding exceptionally preserved Cenomanian faunas (Hadjoula, Hakel, En Nammoura, Maifouk, Lagerstätten) and Santonian faunas (Sahel Alma Lagerstätte).
Fig. 4 in Late Cretaceous crest-bearing shrimps from the Sahel Alma Lagerstätte of Lebanon
Fig. 4. The crest−bearing shrimp Palaeobenthesicymus libanensis (Brocchi, 1875) from the Sahel Alma Lagerstätte (late Santonian, Lebanon). A. Sub−complete specimen (MNHN.F.A30595), dorsal view (A1) and camera lucida line drawing (A2), note the cephalothoracic grooves, the scaphocerites with white small spheres on the outer margins (epibionts), and the fragment of intestinal canal; grey areas correspond to mineralized soft−tissues. B. Cephalic region of fragmentary specimen (MNHN.F.A30585), ventral view, note the two pairs of antennulae. C. Fragmentary specimen (MNHN.F.SHA.545), left lateral view, cephalic region showing well−preserved antennulae and antennae, note the very pointed distal extremity of the scaphocerite. D. Sub−complete specimen (MNHN.F.A30599), left lateral view, note the eyes and the multiarticulated antennae.
Fig. 6 in Late Cretaceous crest-bearing shrimps from the Sahel Alma Lagerstätte of Lebanon
Fig. 6. The crest−bearing shrimp Palaeobenthesicymus libanensis (Brocchi, 1875) from the Sahel Alma Lagerstätte (late Santonian, Lebanon). A. Male specimen (MNHN.F.A30709), left lateral view (A1), note the petasma, a modified endopodite of the first pleopod in copulatory appendage (black frame). Detailed view of the same petasma composed of unit 1 (two thin elements joined on their distal extremity) and unit 2 (subtriangular scale) (A2). B. Pleon of fragmentary specimen (MNHN.F.A30708), right lateral view, note the well−developed pleopods connected to cylindrical protopodites and the long intestinal canal parallel to the pleonal axis. C. Pleon of sub−complete specimen (MNHN.F.A30602), left lateral view, note the rounded ventral margin of pleurae and the well−marked dorsal ridge on somites 5 and 6. D. Small specimen (MNHN.F.A30596), right lateral view, note the well−preserved tail fan.
Fig. 3 in Late Cretaceous crest-bearing shrimps from the Sahel Alma Lagerstätte of Lebanon
Fig. 3. Anatomical details of the neotype (MNHN.F.A30593, Arambourg collection) of crest−bearing shrimp Palaeobenthesicymus libanensis (Brocchi, 1875) from the Sahel Alma Lagerstätte (upper Santonian, Lebanon). A. Anterior part showing the pair of bilobed eyes and some fragmentary cephalic appendages, note the short rostrum with blunt anterior end. B. Rostral crest, very thin, with a thickened dorsal ridge, note two indentations (black arrows) probably corresponding to small healed wounds. C. Tail fan with well−developed uropods, note the very elongate uropodal exopod bearing a rounded diaeresis (black arrow).
FIG. 2 in Fossil sponge gemmules, epibionts of Carpopenaeus garassinoi n. sp. (Crustacea, Decapoda) from the Sahel Alma Lagerstätte (Late Cretaceous, Lebanon)
FIG. 2. — Sponge gemmules on the rostrum of the shrimp Carpopenaeus garassinoi Charbonnier n. sp. under UV light: A, general view of the shrimp, note the white color of the epibionts; B, general view of the rostrum; C, detail of the proximal part of the rostrum showing isolated gemmules or linked gemmules forming a network. Scale bars: A, 2 cm; B, C, 1 mm.
Continuum u-v tables for NGC 1333 IRAS 2A (PdBI, 203 GHz), NGC 1333 IRAS 4A (SMA, 335), NGC 1333 IRAS 4B (PdBI, 203), and VLA 1623 (ALMA, 219)
<p>This archive is currently hosted at zenodo.com by Magnus Persson. If <br /> you downloaded it from elsewhere, please send me an <br /> email (magnusp@vilhelm.nu).</p> <p>This data was observed at the IRAM Plateau de Bure Interferometer <br /> (now NOEMA), Atacama Large (sub-)Millimeter Array (ALMA) and <br /> SubMillimter Array (SMA). Any publication arising from this data <br /> should have the appropriate notice that is provided by the <br /> instititue in question (see http://iram.fr, http://almascience.org <br /> or http://sma1.sma.hawaii.edu/).</p> <p>The data is provided as is, however, with this data it is possible <br /> to reproduce the results presented in the paper(s) : "Constraining <br /> the physical structure of the inner few 100 AU scales of <br /> deeply-embedded low-mass protostars.", Authors: M. V. Persson, D. <br /> Harsono, J. J. Tobin, E. F. van Dishoeck, J. K. Jørgensen, N. <br /> Murillo, and S.-P. Lai, journal Astronomy & Astrohpysics</p> <p><br /> This dataset currently contains the continuum subtracted UV-tables, <br /> in UVFITS format written by GILDAS MAPPING for the sources NGC 1333 <br /> IRAS 2A (203 GHz), NGC 1333 IRAS 4A (335), NGC 1333 IRAS 4B (203), <br /> and VLA 1623 (219).</p> <p> </p>
Data from "Compact Disks in a High-resolution ALMA Survey of Dust Structures in the Taurus Molecular Cloud"
<p>Continuum fits images for all disks in our ALMA Cycle 4 Taurus disk survey - see details in Long et al., 2018, ApJ, 869, 17 and Long et al., 2019, ApJ, 882, 49</p>
Paris Mill Alma, Colorado
The Paris Mill in Alma, Colorado. This historic mill is in the process of being restored by the Alma Historical Society. http://coloradopreservation.org/programs/endangered-places/endangered-places-archives/paris-mill/ Source: Objaverse 1.0 / Sketchfab
Magnolia Mill Alma, Colorado
Historic ore mill, the Magnolia Mill at Montgomery Reservoir Alma, Colorado. https://www.onlyinyourstate.com/colorado/abandoned-magnolia-mill-co/ Source: Objaverse 1.0 / Sketchfab
Orion BN/KL ALMA full spectral cubes
<p>Full spectral data cubes of the Orion BN/KL nebula from http://adsabs.harvard.edu/abs/2017ApJ...837...60B</p>
ScienceDex guides
Understand access before you commit
These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
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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.