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<ri:Resource created="2012-08-14T08:59:34Z" 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>Optical properties of radio galaxies at z&lt;0.3</title><shortName>J/ApJ/723/1119</shortName><identifier>ivo://CDS.VizieR/J/ApJ/723/1119</identifier><altIdentifier>doi:10.26093/cds/vizier.17231119</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Lin Y.-T.</name></creator><creator><name>Shen Y.</name></creator><creator><name>Strauss M.A.</name></creator><creator><name>Richards G.T.</name></creator><creator><name>Lunnan R.</name></creator><date role="Updated">2017-10-13T15:40:58Z</date><date role="Created">2012-08-14T08:59:34Z</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>galaxy-classification-systems</subject><subject>visible-astronomy</subject><subject>sloan-photometry</subject><subject>active-galactic-nuclei</subject><subject>radio-continuum-emission</subject><description>Extended extragalactic radio sources have traditionally been classified into Fanaroff &amp; Riley (FR) I and II types, based on the ratio r_s_ of the separation S between the brightest regions on either sides of the host galaxy and the total size T of the radio source (r_s_~S/T). In this paper, we examine the distribution of various physical properties as a function of r_s_ of 1040 luminous (L&gt;~L*) extended radio galaxies (RGs) at z&lt;0.3 selected with well-defined criteria from the SDSS (Strauss et al. 2002AJ....124.1810S), NVSS (Condon et al. 1998, Cat. VIII/65), and FIRST (Becker et al. 1995+, Cat. VIII/71) surveys. About 2/3 of the RGs are lobe dominated (LD) and 1/3 have prominent jets. If we follow the original definition of the FR types, i.e., a division based solely on r_s_, FRI and FRII RGs overlap in their host galaxy properties.</description><source format="bibcode">2010ApJ...723.1119L</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/723/1119</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/II/306">II/306 : The SDSS Photometric Catalog, Release 8 (Adelman-McCarthy+, 2011)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/III/255">III/255 : Spectroscopy of SDSS Data Release (SDSS-DR6) (ARC, 2007)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/VIII/71">VIII/71 : The FIRST Survey Catalog, Version 03Apr11 (Becker+ 2003)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/VIII/65">VIII/65 : 1.4GHz NRAO VLA Sky Survey (NVSS) (Condon+ 1998)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/MNRAS/415/1013">J/MNRAS/415/1013 : FR II radio galaxies in SDSS (Koziel-Wierzbowska+, 2011)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/MNRAS/404/1719">J/MNRAS/404/1719 : Combined NVSS-FIRST galaxies (CoNFIG) sample II (Gendre+,</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/ApJ/699/L43">J/ApJ/699/L43 : FIRST-NVSS-SDSS AGN sample catalog (Smolcic+, 2009)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/ApJS/179/306">J/ApJS/179/306 : Radio galaxy morphologies (Russell+, 2008)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/MNRAS/390/819">J/MNRAS/390/819 : CoNFIG sample (Gendre+, 2008)</relatedResource><relatedResource>http://www.mpa-garching.mpg.de/SDSS/DR7/ : MPA-JHU DR7 spectrum measurements</relatedResource><relatedResource>http://sdss.physics.nyu.edu/vagc/ : NYU Value-Added Galaxy Catalog</relatedResource><relatedResource>http://www.sdss.org/ : SDSS home page</relatedResource></relationship></content><rights>https://cds.unistra.fr/vizier-org/licences_vizier.html</rights><capability><interface xsi:type="vr:WebBrowser"><accessURL use="full">https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJ/723/1119</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJ/723/1119</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJ/723/1119</mirrorURL></interface></capability><capability><interface xsi:type="vs:ParamHTTP"><accessURL use="base">https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJ/723/1119</accessURL><mirrorURL 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