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XVIII.</title><shortName>J/ApJS/117/587</shortName><identifier>ivo://CDS.VizieR/J/ApJS/117/587</identifier><altIdentifier>doi:10.26093/cds/vizier.21170587</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Heintz W.D.</name></creator><date role="Updated">2000-01-18T15:01:44Z</date><date role="Created">2000-01-18T16:00:46Z</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>multiple-stars</subject><description>Micrometer observations of 1350 pairs in 1995-1997 are listed.</description><source format="bibcode">1998ApJS..117..587H</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJS/117/587</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/V/39">V/39 : 4th Catalog of Orbits of Visual Binaries (Worley+, 1983)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/ApJS/74/275">J/ApJS/74/275 : Observations of double stars. XIV. (Heintz 1990)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/ApJS/83/351">J/ApJS/83/351 : Observations of double stars. XV. (Heintz 1992)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/ApJS/99/693">J/ApJS/99/693 : Observations of double stars. XVI. (Heintz 1995)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/ApJS/105/475">J/ApJS/105/475 : Observations of double stars. XVII. 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