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<ri:Resource created="2000-12-14T21:17:24Z" 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>An Optical Catalogue of Radio Galaxies</title><shortName>VIII/3</shortName><identifier>ivo://CDS.VizieR/VIII/3</identifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Burbidge G.</name></creator><creator><name>Crowne A.H.</name></creator><date role="Updated">2018-01-29T14:47:04Z</date><date role="Created">2000-12-14T21:17:24Z</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>radio-galaxies</subject><subject>redshifted</subject><subject>radio-sources</subject><subject>galaxies</subject><subject>catalogs</subject><description>This catalog contains basic optical information on all known radio galaxies (with L[radio] greater than about 10**[41] ergs/s) that had been identified as of 1979 and for which measured redshifts were available. The data include the right ascension and declination (1950); galaxy (optical) type; visual magnitude; photoelectric colors; redshift (z) and the spectral lines on which the redshift measurements were based; coordinate designations; radio flux and frequency; radio spectral index; other names; and the references for the galaxy identification, photometric data, redshift, radio flux, radio spectral index, and radio map number. Note that the ADC version of this catalog differs somewhat from the original printed catalog in that some fields were added or modified and other fields reordered. In addition to the catalog data file itself, two additional files containing the list of references for the catalog are also available. 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xsi:type="vs:ParamHTTP" role="std"><accessURL use="base">https://vizier.cds.unistra.fr/viz-bin/conesearch/VIII/3/catalog?</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/conesearch/VIII/3/catalog?</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/conesearch/VIII/3/catalog?</mirrorURL><queryType>GET</queryType><resultType>text/xml+votable</resultType></interface><maxSR>180.0</maxSR><maxRecords>50000</maxRecords><verbosity>true</verbosity><testQuery><ra>2.8354334</ra><dec>32.2861499</dec><sr>0.005555555555555556</sr></testQuery></capability><coverage><spatial>6/18 50 141 245 246 452 489 928 929 975 986 1025 1129 1263 1466 1549 1671 1680 1696 1700 1701 1852 2111 2134 2136 2137 2142 2164 2177 2186 2207 2214 2227 2251 2292 2334 2343 2363 2414 2432 2450 2466 2569 2621 2622 2706 2866 3516 3803 4014 4082 4188 4455 4588 4614 4835 4841 4927 4954 4978 4982 4990 5005 5018 5022 5023 5027 5046 5048 5087 5206 5225 5229 5250 5260 5284 5311 5423 5429 5432 5438 5495 5616 5618 5642 5671 5675 5694 5701 5712 5768 5817 5930 6075 6231 6290 6293 6324 6332 6335 6532 6611 6778 6889 6951 7005 7061 7318 7345 7606 7666 7828 7925 7959 8116 8220 8264 8268 8288 8393 8440 8442 8477 8521 8526 8555 8575 8626 8659 8669 8675 8705 8786 8796 8809 8919 8927 8989 9006 9009 9019 9022 9037 9042 9048 9051 9062 9104 9170 9230 9273 9290 9305 9321 9327 9332 9333 9349 9368 9375 9387 9388 9393 9395 9443 9464 9468 9508 9531 9543 9612 9655 9742 9769 9772 10004 10078 10137 10207 10271 10309 10312 10318 10321 10322 10329 10355 10374 10378 10379 10387 10402 10416 10424 10432 10440 10442 10456 10465 10471 10476 10485 10601 10664 10743 10824 10839 11002 11259 11408 11419 11512 11551 11591 11667 12094 12121 12180 12241 12335 12359 12459 12546 12570 12673 12796 13120 13128 13340 13527 13529 13564 13610 13707 13712 13789 13855 14744 14858 14879 15045 15064 15174 15580 15909 16059 16120 16301 16423 16454 16962 17052 17141 17451 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34535 34808 35056 35097 35098 35434 35608 36089 36100 36155 36158 36609 37019 38268 38364 38474 38849 39012 39087 39614 39725 39982 40332 40615 40777 40809 41051 41052 41310 41418 41423 41434 41510 43259 43262 43446 43503 43626 43677 43748 43788 43806 43948 44502 44650 44924 45031 45446 45763 45823 45883 45915 45985 46101 47921 48311 48323 48344 48501 48712 48945</spatial><footprint ivo-id="ivo://ivoa.net/std/moc">https://cdsarc.cds.unistra.fr/viz-bin/moc/VIII/3?format=ascii</footprint><waveband>Optical</waveband><waveband>Radio</waveband></coverage><tableset><schema><name>default</name><table><name>VIII/3/catalog</name><description>Radio sources identified with optical galaxies</description><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>RA1950</name><description>Right Ascension 1950</description><ucd>pos.eq.ra;meta.main</ucd></column><column><name>q_RA1950</name><description>Precision indicator of the right ascension</description><ucd>meta.code.qual;pos.eq.ra</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>DE1950</name><description>Declination 1950</description><ucd>pos.eq.dec;meta.main</ucd></column><column><name>q_DE1950</name><description>Precision indicator of declination</description><ucd>meta.code.qual;pos.eq.dec</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>refID</name><description>?Reference identification number (file "\begin{tex}\vFile{VIII/3/./refs}{refs}\end{tex}")</description><ucd>meta.ref;pos.frame</ucd><dataType xsi:type="vs:VOTableType">int</dataType><flag>nullable</flag></column><column><name>EqPos</name><description>[ R] Code for equatorial position</description><ucd>meta.note</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>FCRnum</name><description>? Finder chart reference number (file "\begin{tex}\vFile{VIII/3/./refs}{refs}\end{tex}")</description><ucd>meta.ref;pos.frame</ucd><dataType xsi:type="vs:VOTableType">int</dataType><flag>nullable</flag></column><column><name>OptType</name><description>Optical type code</description><ucd>meta.code;src.morph.type</ucd><dataType xsi:type="vs:VOTableType" arraysize="4*">char</dataType></column><column><name>Rdesc</name><description>Radio description</description><ucd>meta.note;spect.dopplerVeloc.radio;em.radio</ucd><dataType xsi:type="vs:VOTableType" arraysize="2*">char</dataType></column><column><name>Vmag</name><description>? Visual magnitude.</description><unit>mag</unit><ucd>phot.mag;em.opt.V</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>B-V</name><description>? Photoelectric colors if available</description><unit>mag</unit><ucd>phot.color;em.opt.B;em.opt.V</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>U-B</name><description>? Photoelectric colors if available</description><unit>mag</unit><ucd>phot.color;em.opt.U;em.opt.B</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>r_Vmag</name><description>? Reference for photometric data (file "\begin{tex}\vFile{VIII/3/./refs}{refs}\end{tex}")</description><ucd>meta.ref;pos.frame</ucd><dataType xsi:type="vs:VOTableType">int</dataType><flag>nullable</flag></column><column><name>Z</name><description>Redshift.</description><ucd>src.redshift</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>n_Z</name><description>[CQ ] Redshift (cf. bytes 63-68) qualifier</description><ucd>meta.note</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>LineType</name><description>Spectral lines type</description><ucd>src.spType</ucd><dataType xsi:type="vs:VOTableType" arraysize="2*">char</dataType></column><column><name>Name</name><description>Coordinate designation</description><ucd>meta.id;meta.main</ucd><dataType xsi:type="vs:VOTableType" arraysize="8*">char</dataType></column><column><name>r_Z</name><description>Redshift (z) reference number (file "\begin{tex}\vFile{VIII/3/./refs}{refs}\end{tex}")</description><ucd>meta.ref;pos.frame</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>S(freq)</name><description>?Radio flux at frequency given in bytes 93-96.</description><unit>Jy</unit><ucd>phot.flux.density;em.radio</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>freq</name><description>?Frequency in MHz (408 for most entries)</description><unit>MHz</unit><ucd>em.freq</ucd><dataType xsi:type="vs:VOTableType">int</dataType><flag>nullable</flag></column><column><name>r_S(freq)</name><description>?Reference for radio flux (cf. bytes 85-91)</description><ucd>meta.ref;pos.frame</ucd><dataType xsi:type="vs:VOTableType">int</dataType><flag>nullable</flag></column><column><name>Sp-Index</name><description>? Radio spectral index between 408 &amp; 1400 MHz</description><ucd>spect.index;em.radio.750-1500MHz</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>r_Sp-Index</name><description>? Reference for spectral index (file "\begin{tex}\vFile{VIII/3/./refs}{refs}\end{tex}")</description><ucd>meta.ref;pos.frame</ucd><dataType xsi:type="vs:VOTableType">int</dataType><flag>nullable</flag></column><column><name>MapRef</name><description>? Primary reference for radio map number</description><ucd>meta.ref;pos.frame</ucd><dataType xsi:type="vs:VOTableType">int</dataType><flag>nullable</flag></column><column><name>SIcode</name><description>[AB ] Code for spectral index range.</description><ucd>meta.note</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>SpNum</name><description>Number of spectral lines</description><ucd>meta.number</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>Lines</name><description>List of 20 coded spectral lines.</description><ucd>meta.note</ucd><dataType xsi:type="vs:VOTableType" arraysize="40*">char</dataType></column><column><name>NumRef</name><description>Number of additional references.</description><ucd>meta.ref;pos.frame</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>Arefs</name><description>Additional references</description><ucd>meta.ref</ucd><dataType xsi:type="vs:VOTableType" arraysize="60*">char</dataType></column><column><name>Alias</name><description>Other names</description><ucd>meta.id</ucd><dataType xsi:type="vs:VOTableType" arraysize="50*">char</dataType></column><column><name>Seq</name><description>[1,495] Sequential counter.</description><ucd>meta.record</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>_RA.icrs</name><description>Right ascension (ICRS) (computed by VizieR, not part of the original data)</description><ucd>pos.eq.ra</ucd><flag>nullable</flag><flag>indexed</flag></column><column><name>_DE.icrs</name><description>Declination (ICRS) (computed by VizieR, not part of the original data)</description><ucd>pos.eq.dec</ucd><flag>nullable</flag><flag>indexed</flag></column></table><table><name>VIII/3/refs</name><description>References in numeric order</description><column><name>recno</name><description>Record number assigned by the VizieR team. 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