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<ri:Resource created="2012-10-10T14:05:06Z" status="active" updated="2025-05-19T09:50:00Z" version="1.2" xmlns:cs="http://www.ivoa.net/xml/ConeSearch/v1.0" xmlns:ri="http://www.ivoa.net/xml/RegistryInterface/v1.0" xmlns:vr="http://www.ivoa.net/xml/VOResource/v1.0" xmlns:vs="http://www.ivoa.net/xml/VODataService/v1.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.ivoa.net/xml/ConeSearch/v1.0 http://vo.ari.uni-heidelberg.de/docs/schemata/ConeSearch.xsd http://www.ivoa.net/xml/VOResource/v1.0 http://vo.ari.uni-heidelberg.de/docs/schemata/VOResource.xsd http://www.ivoa.net/xml/VODataService/v1.1 http://vo.ari.uni-heidelberg.de/docs/schemata/VODataService.xsd" xsi:type="vs:CatalogService"><title>400d Cluster Survey Weak Lensing Programme II</title><shortName>J/A+A/546/A79</shortName><identifier>ivo://CDS.VizieR/J/A+A/546/A79</identifier><altIdentifier>doi:10.26093/cds/vizier.35460079</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Israel H.</name></creator><creator><name>Erben T.</name></creator><creator><name>Reiprich T.H.</name></creator><creator><name>Vikhlinin A.</name></creator><creator><name>Sarazin C.L.</name></creator><creator><name>Schneider P.</name></creator><date role="Updated">2017-06-01T08:52:30Z</date><date role="Created">2012-10-10T14:05:06Z</date><contact><name>CDS support team</name><address>CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France</address><email>cds-question@unistra.fr</email></contact></curation><content><subject>galaxy-clusters</subject><subject>galaxies</subject><subject>visible-astronomy</subject><subject>x-ray-sources</subject><description>Evolution in the mass function of galaxy clusters sensitively traces both the expansion history of the Universe and cosmological structure formation. Robust cluster mass determinations are a key ingredient for a reliable measurement of this evolution, especially at high redshift. Weak gravitational lensing is a promising tool for, on average, unbiased mass estimates. This weak lensing project aims at measuring reliable weak lensing masses for a complete X-ray selected sample of 36 high redshift (0.35&lt;z&lt;0.9) clusters. 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