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Galaxy Zoo DECaLS: Detailed Visual Morphology Measurements from Volunteers and Deep Learning for 314,000 Galaxies

Walmsley, Mike; Lintott, Chris; Tobias, Geron; Kruk, Sandor J; Krawczyk, Coleman; Willett, Kyle; Bamford, Steven; Keel, William; Kelvin, Lee S; Fortson, Lucy; Masters, Karen; Mehta, Vihang; Simmons, Brooke; Smethurst, Rebecca J; Baeten, Elisabeth M L; Macmillan, Christine


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    "description": "<p>This repository contains the data released in the paper &quot;Galaxy Zoo DECaLS: Detailed Visual Morphology Measurements from Volunteers and Deep Learning for 314,000 Galaxies&quot; <em>(DOI to follow on publication).</em></p>\n\n<p>We release detailed morphology catalogues, both volunteer and automated, for Galaxy Zoo DECaLS.</p>\n\n<p>- gz_decals_volunteers_ab contains volunteer classifications for galaxies classified during the GZD-A and GZD-B campaigns.</p>\n\n<p>- gz_decals_volunteers_c similarly contains classifications from the GZD-C campaign. Note that GZD-C used a modified schema designed to better detect mergers and weak bars, and includes many galaxies with only approx. five volunteer responses.</p>\n\n<p>- gz_decals_auto_posteriors contains the predicted posteriors for volunteer responses to all galaxies used in any campaign, recorded as Dirichlet distribution concentrations.&nbsp;</p>\n\n<p>- gz_decals_auto_fractions reduces those posteriors to the automated equivalent of previous Galaxy Zoo data releases; the expected vote fractions (mean posteriors). Note that not all vote fractions are relevant for every galaxy; we suggest assessing relevance using the estimated fraction of volunteers that would have been asked each question. <em>In the v0.0.1 release, these are included within the gz_decals_auto_posteriors files.</em></p>\n\n<p>Each catalogue has a schema of the same name. <em>These are not yet included in the v0.0.1 release.</em></p>\n\n<p>We also release the galaxy images shown to volunteers on www.galaxyzoo.org. The images on which the automated classifier was trained may be derived from these volunteer-facing images. These are not yet included in the v0.0.1 release.</p>\n\n<p>We will release updates if needed via Zenodo versioning. We recommend using the latest version of this repository. You can check the version you are currently viewing on the right-hand sidebar.</p>\n\n<p>Please cite the paper (DOI to follow on publication) when using the data in this repository.</p>", 
    "language": "eng", 
    "title": "Galaxy Zoo DECaLS: Detailed Visual Morphology Measurements from Volunteers and Deep Learning for 314,000 Galaxies", 
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    "keywords": [
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      "deep learning", 
      "citizen science", 
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    "publication_date": "2020-12-29", 
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        "orcid": "0000-0002-6408-4181", 
        "affiliation": "University of Oxford", 
        "name": "Walmsley, Mike"
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        "affiliation": "University of Oxford", 
        "name": "Lintott, Chris"
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        "affiliation": "University of Oxford", 
        "name": "Tobias, Geron"
      }, 
      {
        "orcid": "0000-0001-8010-8879", 
        "affiliation": "European Space Agency", 
        "name": "Kruk, Sandor J"
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        "affiliation": "University of Portsmouth", 
        "name": "Krawczyk, Coleman"
      }, 
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        "affiliation": "University of Minnesota", 
        "name": "Willett, Kyle"
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        "affiliation": "University of Nottingham", 
        "name": "Bamford, Steven"
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        "orcid": "0000-0002-6131-9539", 
        "affiliation": "University of Alabama", 
        "name": "Keel, William"
      }, 
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        "orcid": "0000-0001-9395-4759", 
        "affiliation": "Princeton University", 
        "name": "Kelvin, Lee S"
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        "affiliation": "University of Minnesota", 
        "name": "Fortson, Lucy"
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        "orcid": "0000-0003-0846-9578", 
        "affiliation": "Haverford College", 
        "name": "Masters, Karen"
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        "affiliation": "University of Minnesota", 
        "name": "Mehta, Vihang"
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        "affiliation": "Lancaster University", 
        "name": "Simmons, Brooke"
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        "orcid": "0000-0001-6417-7196", 
        "affiliation": "University of Oxford", 
        "name": "Smethurst, Rebecca J"
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        "affiliation": "Zooniverse", 
        "name": "Baeten, Elisabeth M L"
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