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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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  <identifier identifierType="DOI">10.5281/zenodo.4196267</identifier>
  <creators>
    <creator>
      <creatorName>Walmsley, Mike</creatorName>
      <givenName>Mike</givenName>
      <familyName>Walmsley</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0002-6408-4181</nameIdentifier>
      <affiliation>University of Oxford</affiliation>
    </creator>
    <creator>
      <creatorName>Lintott, Chris</creatorName>
      <givenName>Chris</givenName>
      <familyName>Lintott</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0001-5578-359X</nameIdentifier>
      <affiliation>University of Oxford</affiliation>
    </creator>
    <creator>
      <creatorName>Tobias, Geron</creatorName>
      <givenName>Geron</givenName>
      <familyName>Tobias</familyName>
      <affiliation>University of Oxford</affiliation>
    </creator>
    <creator>
      <creatorName>Kruk, Sandor J</creatorName>
      <givenName>Sandor J</givenName>
      <familyName>Kruk</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0001-8010-8879</nameIdentifier>
      <affiliation>European Space Agency</affiliation>
    </creator>
    <creator>
      <creatorName>Krawczyk, Coleman</creatorName>
      <givenName>Coleman</givenName>
      <familyName>Krawczyk</familyName>
      <affiliation>University of Portsmouth</affiliation>
    </creator>
    <creator>
      <creatorName>Willett, Kyle</creatorName>
      <givenName>Kyle</givenName>
      <familyName>Willett</familyName>
      <affiliation>University of Minnesota</affiliation>
    </creator>
    <creator>
      <creatorName>Bamford, Steven</creatorName>
      <givenName>Steven</givenName>
      <familyName>Bamford</familyName>
      <affiliation>University of Nottingham</affiliation>
    </creator>
    <creator>
      <creatorName>Keel, William</creatorName>
      <givenName>William</givenName>
      <familyName>Keel</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0002-6131-9539</nameIdentifier>
      <affiliation>University of Alabama</affiliation>
    </creator>
    <creator>
      <creatorName>Kelvin, Lee S</creatorName>
      <givenName>Lee S</givenName>
      <familyName>Kelvin</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0001-9395-4759</nameIdentifier>
      <affiliation>Princeton University</affiliation>
    </creator>
    <creator>
      <creatorName>Fortson, Lucy</creatorName>
      <givenName>Lucy</givenName>
      <familyName>Fortson</familyName>
      <affiliation>University of Minnesota</affiliation>
    </creator>
    <creator>
      <creatorName>Masters, Karen</creatorName>
      <givenName>Karen</givenName>
      <familyName>Masters</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0003-0846-9578</nameIdentifier>
      <affiliation>Haverford College</affiliation>
    </creator>
    <creator>
      <creatorName>Mehta, Vihang</creatorName>
      <givenName>Vihang</givenName>
      <familyName>Mehta</familyName>
      <affiliation>University of Minnesota</affiliation>
    </creator>
    <creator>
      <creatorName>Simmons, Brooke</creatorName>
      <givenName>Brooke</givenName>
      <familyName>Simmons</familyName>
      <affiliation>Lancaster University</affiliation>
    </creator>
    <creator>
      <creatorName>Smethurst, Rebecca J</creatorName>
      <givenName>Rebecca J</givenName>
      <familyName>Smethurst</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0001-6417-7196</nameIdentifier>
      <affiliation>University of Oxford</affiliation>
    </creator>
    <creator>
      <creatorName>Baeten, Elisabeth M L</creatorName>
      <givenName>Elisabeth M L</givenName>
      <familyName>Baeten</familyName>
      <affiliation>Zooniverse</affiliation>
    </creator>
    <creator>
      <creatorName>Macmillan, Christine</creatorName>
      <givenName>Christine</givenName>
      <familyName>Macmillan</familyName>
      <affiliation>Zooniverse</affiliation>
    </creator>
  </creators>
  <titles>
    <title>Galaxy Zoo DECaLS: Detailed Visual Morphology Measurements from Volunteers and Deep Learning for 314,000 Galaxies</title>
  </titles>
  <publisher>Zenodo</publisher>
  <publicationYear>2020</publicationYear>
  <subjects>
    <subject>galaxies</subject>
    <subject>deep learning</subject>
    <subject>citizen science</subject>
    <subject>Galaxy Zoo</subject>
    <subject>astrophysics</subject>
  </subjects>
  <dates>
    <date dateType="Issued">2020-12-29</date>
  </dates>
  <language>en</language>
  <resourceType resourceTypeGeneral="Dataset"/>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://zenodo.org/record/4196267</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsVersionOf">10.5281/zenodo.4196266</relatedIdentifier>
  </relatedIdentifiers>
  <version>0.0.1</version>
  <rightsList>
    <rights rightsURI="https://creativecommons.org/licenses/by/4.0/legalcode">Creative Commons Attribution 4.0 International</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">&lt;p&gt;This repository contains the data released in the paper &amp;quot;Galaxy Zoo DECaLS: Detailed Visual Morphology Measurements from Volunteers and Deep Learning for 314,000 Galaxies&amp;quot; &lt;em&gt;(DOI to follow on publication).&lt;/em&gt;&lt;/p&gt;

&lt;p&gt;We release detailed morphology catalogues, both volunteer and automated, for Galaxy Zoo DECaLS.&lt;/p&gt;

&lt;p&gt;- gz_decals_volunteers_ab contains volunteer classifications for galaxies classified during the GZD-A and GZD-B campaigns.&lt;/p&gt;

&lt;p&gt;- 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.&lt;/p&gt;

&lt;p&gt;- gz_decals_auto_posteriors contains the predicted posteriors for volunteer responses to all galaxies used in any campaign, recorded as Dirichlet distribution concentrations.&amp;nbsp;&lt;/p&gt;

&lt;p&gt;- 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. &lt;em&gt;In the v0.0.1 release, these are included within the gz_decals_auto_posteriors files.&lt;/em&gt;&lt;/p&gt;

&lt;p&gt;Each catalogue has a schema of the same name. &lt;em&gt;These are not yet included in the v0.0.1 release.&lt;/em&gt;&lt;/p&gt;

&lt;p&gt;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.&lt;/p&gt;

&lt;p&gt;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.&lt;/p&gt;

&lt;p&gt;Please cite the paper (DOI to follow on publication) when using the data in this repository.&lt;/p&gt;</description>
  </descriptions>
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