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ivo-id="ivo://CDS">CDS</publisher><creator><name>Richards G.T.</name></creator><creator><name>Haiman Z.</name></creator><creator><name>Pindor B.</name></creator><creator><name>Strauss M.A.</name></creator><creator><name>Fan X.</name></creator><creator><name>Eisenstein D.,Schneider D.P.</name></creator><creator><name>Bahcall N.A.</name></creator><creator><name>Brinkmann J.</name></creator><creator><name>Fukugita M.</name></creator><date role="Updated">2017-09-20T05:13:32Z</date><date role="Created">2007-04-18T10:31:56Z</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>gravitational-lensing</subject><subject>quasars</subject><subject>visible-astronomy</subject><subject>sloan-photometry</subject><description>We report on i-band snapshot observations of 157 Sloan Digital Sky Survey quasars at 4.0&lt;z&lt;5.4 using the Advanced Camera for Surveys on the Hubble Space Telescope (HST) to search for evidence of gravitational lensing of these sources.</description><source format="bibcode">2006AJ....131...49R</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/131/49</referenceURL><type>Catalog</type><contentLevel>Research</contentLevel><relationship><relationshipType>IsServedBy</relationshipType><relatedResource ivo-id="ivo://CDS.VizieR/TAP">TAP VizieR generic service</relatedResource></relationship><relationship><relationshipType>IsServedBy</relationshipType><relatedResource>Conesearch service</relatedResource></relationship><relationship><relationshipType>related-to</relationshipType><relatedResource ivo-id="ivo://CDS.VizieR/J/AJ/122/503">J/AJ/122/503 : SDSS u*g*r*i*z* photometry and redshift of QSOs</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/AJ/121/31">J/AJ/121/31 : High-redshift quasars in SDSS (Fan+, 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