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<ri:Resource created="1997-12-09T21:56:17Z" 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>Eighth Orbital Elements of Spectroscopic Binaries</title><shortName>V/64</shortName><identifier>ivo://CDS.VizieR/V/64</identifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Batten A.H.</name></creator><creator><name>Fletcher J.M.</name></creator><creator><name>MacCarthy D.G.</name></creator><date role="Updated">2013-03-06T06:14:44Z</date><date role="Created">1997-12-09T21:56:17Z</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>orbits</subject><subject>spectroscopic-binary-stars</subject><description>The complete description of the catalogue, as well as the notes, is to be found in the Publ. Dominion Astrophys. Obs. 17 (1989). The present machine-readable version was transformed from the file provided by A.H. Batten for easier computer readability. Compared to the printed version, please note the following: 1) The four columns No. f(m) m.sin^3(i) a.sin(i) are NOT included in the computer version. No. (running number) is the line number of the main file (from 1 to 1469) f(m) (expressed in Solar Masses) can be computed from the Fortran formula 1.0385E-7 * (1-e*e)**1.5 * K(1)**3 * P a(*)sin i (expressed in km) can be computed from the Fortran formula 13751 * sqrt(1-e*e) * K(*) * P m(*)sin3i (expressed in Solar Masses) can be computed from the Fortran formula 1.0385E-7 * (1-e*e)**1.5 * K(*) * (K(1)+K(2))**2 * P The parameters are K(*) = velocity amplitude of the components, expressed in km/s; P = Period, expressed in days, sometimes in years; e = eccentricity 2) The notes, which make the bulk of the printed catalogue (pages 129-304), are NOT included.</description><source format="bibcode">1989PDAO...17....1B</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/V/64</referenceURL><type>Catalog</type><contentLevel>Research</contentLevel><relationship><relationshipType>IsServedBy</relationshipType><relatedResource ivo-id="ivo://CDS.VizieR/TAP">TAP VizieR generic 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44386 44389 44451 44493 44651 44705 44720 44785 44795 44872 44879 44894 44924 44993 45164 45249 45530 45643 45737 45964 46065 46469 46498 46572 47140 47305 47357 47468 47525 47593 47663 47667 47706 47805 47825 47873 47960 48034 48088 48104 48169 48254 48302 48455 48505 48516 48533 48589 48613 48768 48856 48874 48933 49047</spatial><footprint ivo-id="ivo://ivoa.net/std/moc">https://cdsarc.cds.unistra.fr/viz-bin/moc/V/64?format=ascii</footprint></coverage><tableset><schema><name>default</name><table><name>V/64/catalog</name><description>The 8th catalogue of orbital elements of SBs</description><column><name>Sp1</name><description>Spectral type of Primary</description><ucd>src.spType</ucd><dataType xsi:type="vs:VOTableType" arraysize="16*">char</dataType></column><column><name>x_T</name><description>[y] 'y' if periastron T expressed as year.</description><ucd>meta.unit</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>f_T</name><description>[*] Remark or Note flag</description><ucd>meta.code.error</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>recno</name><description>Record number assigned by the VizieR team. Should Not be used for identification.</description><ucd>meta.record</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>RA1900</name><description>RA 1900 (hours)</description><ucd>pos.eq.ra;meta.main</ucd></column><column><name>DE1900</name><description>DEC1900 (sign)</description><ucd>pos.eq.dec;meta.main</ucd><flag>nullable</flag></column><column><name>Name</name><description>First name. Just a number means HD number (1)</description><ucd>meta.id</ucd><dataType xsi:type="vs:VOTableType" arraysize="13*">char</dataType></column><column><name>Alias</name><description>Other Name (1)</description><ucd>meta.id</ucd><dataType xsi:type="vs:VOTableType" arraysize="17*">char</dataType></column><column><name>Eclipse</name><description>[*] The '*' indicates an eclipsing binary</description><ucd>meta.note</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>maxMag</name><description>? Magnitude at Maximum</description><unit>mag</unit><ucd>phot.mag</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>n_maxMag</name><description>[VBRP] Type of maxMag magnitude (2)</description><ucd>meta.note</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>f_maxMag</name><description>[*] Remark or Note flag</description><ucd>meta.code.error</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>minMag</name><description>? Magnitude at Minimum</description><unit>mag</unit><ucd>phot.mag</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>n_minMag</name><description>[VBRP] Type of minMag magnitude (2)</description><ucd>meta.note</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>f_minMag</name><description>[*] Remark or Note flag</description><ucd>meta.code.error</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>Sp2</name><description>Spectral type of Secondary (if known)</description><ucd>src.spType</ucd><dataType xsi:type="vs:VOTableType" arraysize="9*">char</dataType></column><column><name>Period</name><description>? Period, generally in days (see x_Period)</description><ucd>time.period</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>x_Period</name><description>[y] 'y' if Period expressed in years</description><ucd>meta.unit</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>f_Period</name><description>[*] Remark or Note flag</description><ucd>meta.code.error</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>T</name><description>? Periastron date, generally in JD-2400000 (see x_T indicator)</description><ucd>src.orbital.periastron</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>e1</name><description>[0/1[? 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Angle of periastron of Secondary</description><unit>deg</unit><ucd>src.orbital.periastron</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>u_omega2</name><description>Uncertainty flag (:)</description><ucd>meta.code.error</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>f_omega2</name><description>[*] Remark or Note flag</description><ucd>meta.code.error</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>K(1)</name><description>? Orbital semi-amplitude of Primary</description><unit>km/s</unit><ucd>phys.size;src.orbital</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>u_K(1)</name><description>Uncertainty flag (:)</description><ucd>meta.code.error</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>f_K(1)</name><description>[*] Remark or Note flag</description><ucd>meta.code.error</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>K(2)</name><description>? Orbital semi-amplitude of Secondary</description><unit>km/s</unit><ucd>phys.size;src.orbital</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>u_K(2)</name><description>Uncertainty flag (:)</description><ucd>meta.code.error</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>f_K(2)</name><description>Remark or Note flag</description><ucd>meta.code.error</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>V(1)</name><description>? Systemic Velocity of Primary</description><unit>km/s</unit><ucd>phys.veloc</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>u_V(1)</name><description>Uncertainty flag (:)</description><ucd>meta.code.error</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>f_V(1)</name><description>[*] Remark or Note flag</description><ucd>meta.code.error</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>V(2)</name><description>? 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