Dataset Open Access

CFHTLenS 3D-MF Galaxy Cluster Catalog

Ford, Jes

MARC21 XML Export

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    <subfield code="a">This catalog was made public as part of work by the CFHTLenS collaboration.</subfield>
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    <subfield code="a">&lt;p&gt;These catalogs contain the publically available 3D-Matched-Filter (3D-MF) Galaxy Cluster candidates in the 4 fields of CFHTLenS.&lt;/p&gt;

&lt;p&gt;Each catalog contains 5 columns: right ascension (RA), declination (DEC), redshift (&lt;em&gt;z&lt;/em&gt;), 3D-MF detection significance (sig), and richness (n200).&lt;/p&gt;

&lt;p&gt;As discussed in the references below, sig has been found to scale well with mass. While these catalogs contain all clusters detected at sig &amp;gt; 3.5, we expect there to be significant false detections at the lower end of this. Depending on your application, you may find it useful to make a cut at perhaps sig &amp;gt; 5 or 10. The position of the cluster (RA, DEC) is coincident with the peak in the 3D-MF likelihood map, and does NOT necessarily coincide with a member galaxy. Redshift &lt;em&gt;z&lt;/em&gt; is the center of the 3D-MF redshift bin that maximizes a cluster detection, and has not been refined to more precise values than the binning employed by the 3D-MF algorithm. For more details, please consult the references given below.&lt;/p&gt;

&lt;p&gt;Details of the 3D-MF algorithm can be found in Milkeraitis et al. 2010 (;/p&gt;

&lt;p&gt;The specifics of the 3D-MF application to the CFHTLenS fields can be found in Ford et al. 2014 ( and Ford et al. 2015 (;/p&gt;

&lt;p&gt;If you have any questions about these catalogs, please contact;/p&gt;</subfield>
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    <subfield code="u">University of British Columbia Dept of Physics &amp; Astronomy, University of Washington eScience Institute</subfield>
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