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    <title>Planck Catalog of Galactic Cold Clumps</title>
    <shortName>Planck GCC</shortName>
    <identifier>ivo://irsa.ipac/Planck/Catalog/PGCC</identifier>
    <curation>
        <publisher ivo-id="ivo://irsa.ipac/IRSA">NASA/IPAC Infrared Science Archive</publisher>
        <creator>
            <name>Planck team</name>
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        <date role="update">2016-06-02</date>
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            <address/>
            <email>irsasupport@ipac.caltech.edu</email>
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        </contact>
    </curation>
    <content>
        <subject>all sky survey</subject>
        <description>The Planck Catalogue of Galactic Cold Clumps (PGCC) is an observational catalogue consisting exclusively of Galactic cold sources. The three highest Planck bands (857, 545, 353 GHz) have been combined with IRAS data at 3 THz to perform a multi-frequency detection of sources colder than their local environment. After rejection of possible extragalactic contaminants, the PGCC catalogue contains 13188 Galactic sources spread across the whole sky, i.e., from the Galactic plane to high latitudes, following the spatial distribution of the main molecular cloud complexes. The median temperature of PGCC sources lies between 13 and 14.5 K, depending on the quality of the flux density measurements, with a temperature ranging from 5.8 to 20 K after removing sources with the 1% largest temperature estimates. Using seven independent methods, reliable distance estimates have been obtained for 5574 sources, which allows the derivation of physical properties such as their mass, physical size, mean density and luminosity.</description>
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        <waveband>Millimeter</waveband>
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                <description>Planck Catalog of Galactic Cold Clumps</description>
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