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<ri:Resource created="2001-05-05T21:26:22Z" status="active" updated="2025-05-19T09:50:00Z" version="1.2" 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/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>Double stars with PISCO at Pic du midi</title><shortName>J/ApJS/131/561</shortName><identifier>ivo://CDS.VizieR/J/ApJS/131/561</identifier><altIdentifier>doi:10.26093/cds/vizier.21310561</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Scardia M.</name></creator><creator><name>Prieur J.-L.</name></creator><creator><name>Aristidi E.</name></creator><creator><name>Koechlin L.</name></creator><date role="Updated">2001-05-05T21:26:29Z</date><date role="Created">2001-05-05T21:26:22Z</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>We present astrometric measurements of binary stars based on speckle observations of 164 independent sequences of observations (~10^4^ frames each) made with the PISCO speckle camera at Pic du Midi. These measurements concern 147 objects, of which 134 were found to be double with a separation in the range 0.1"-1.0". These objects were mainly selected among grade 3 orbits to improve the accuracy of their orbits and to constrain their masses. We discovered the binarity of 59 Aql with an angular separation of 0.09"+/-0.01".</description><source format="bibcode">2000ApJS..131..561S</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJS/131/561</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>related-to</relationshipType><relatedResource ivo-id="ivo://CDS.VizieR/J/A+AS/134/545">J/A+AS/134/545 : Double star measurements 1995-1997 (Aristidi+ 1999)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+AS/105/503">J/A+AS/105/503 : Binary star speckle measurements (Balega+ 1994)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+AS/140/287">J/A+AS/140/287 : 1992-1997 binary star speckle measurements (Balega+, 1999)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/AJ/111/370">J/AJ/111/370 : Orbits of 37 close visual systems (Hartkopf+ 1996)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/AJ/117/548">J/AJ/117/548 : 1997 WIYN binary stars speckle observations (Horch+, 1999)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/AJ/106/352">J/AJ/106/352 : Speckle observations of binary stars VIII (Hartkopf+ 1993)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/AJ/106/637">J/AJ/106/637 : ICCD speckle observations. IX (Mason+, 1993)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/AJ/106/1639">J/AJ/106/1639 : Speckle observations of binary stars (McAlister+ 1993)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/AJ/108/2299">J/AJ/108/2299 : ICCD speckle obs. of binary stars. XI. (Hartkopf+ 1994)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/AJ/111/393">J/AJ/111/393 : Speckle observations of binary stars. XII (Al-Shukri+ 1996)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/AJ/111/936">J/AJ/111/936 : ICCD Speckle obs. of binary stars. XIII (Hartkopf+ 1996)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/AJ/119/3084">J/AJ/119/3084 : ICCD speckle obs. of binary stars. XXIII. 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Should Not be used for identification.</description><ucd>meta.record</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>WDS</name><description>WDS designation (based in J2000 positions)</description><ucd>meta.id;meta.main</ucd><dataType xsi:type="vs:VOTableType" arraysize="10*">char</dataType></column><column><name>Names</name><description>Other names</description><ucd>meta.id</ucd><dataType xsi:type="vs:VOTableType" arraysize="27*">char</dataType></column><column><name>FL</name><description>? Focal length of the eyepiece used as imaging lens in the magnification wheel</description><unit>mm</unit><ucd>instr.tel.focalLength</ucd><dataType xsi:type="vs:VOTableType">int</dataType><flag>nullable</flag></column><column><name>Filt</name><description>Filter (1)</description><ucd>meta.code;instr.filter</ucd><dataType xsi:type="vs:VOTableType" arraysize="5*">char</dataType></column><column><name>Epoch</name><description>? Epoch n Besselian years</description><unit>yr</unit><ucd>time.epoch</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>Seeing</name><description>? FWHM seeing (2)</description><unit>arcsec</unit><ucd>instr.obsty.seeing</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>rho</name><description>? Angular separation</description><unit>arcsec</unit><ucd>pos.angDistance</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>e_rho</name><description>? rms uncertainty on rho</description><unit>arcsec</unit><ucd>stat.error</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>PA</name><description>? Position angle</description><unit>deg</unit><ucd>pos.posAng</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>e_PA</name><description>? rms uncertainty on PA</description><unit>deg</unit><ucd>stat.error</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>n_PA</name><description>[*] Note on PA (3)</description><ucd>meta.note</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>Com</name><description>Comments (4)</description><ucd>meta.note</ucd><dataType xsi:type="vs:VOTableType" arraysize="50*">char</dataType></column></table></schema></tableset></ri:Resource>