J/MNRAS/204/151ivo://CDS.VizieR/J/MNRAS/204/151doi:10.26093/cds/vizier.72040151CDSLaing R.A.Riley J.M.Longair M.S.2017-11-06T12:23:55Z2013-08-02T14:18:58ZCDS support team

CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France

cds-question@unistra.frradio-continuum-emissioninfrared-photometryvisible-astronomybroad-band-photometryredshiftedradio-galaxiesquasarsA revised sample of bright radio sources at 178MHz is defined in order to correct the biases introduced into the 3CR catalog by confusion and partial resolution. The sample is shown to be 96 percent complete to a flux-density limit of 10Jy for sources smaller than 10arcmin. The bias of the 3CR catalog against objects of larger angular size is also reduced. Optical identifications are presented for 96 percent of the sources, 71 percent with galaxies and 25 percent with quasars. The radio-galaxy population is found to show strong space-density evolution for luminosities in excess of approximately 10^26.5^W/Hz/sr at 178MHz (redshifts greater than or approximately equal to 0.2), while the evolutionary properties of galaxies and quasars of the same luminosity and redshift are very similar.1983MNRAS.204..151Lhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/MNRAS/204/151CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toVIII/14 : 87GB Catalog of radio sources (Gregory et al., 1991)VIII/3 : An Optical Catalogue of Radio Galaxies (Burbidge+ 1979)VIII/32 : Extragalactic sources at 5GHz (Jenkins+ 1977)VII/49 : Galaxies and Clusters of Galaxies (CGCG) (Zwicky, 1968)VIII/4 : Fourth Cambridge Survey (4C) (Pilkington+ 1965; Gower+ 1967)VIII/1 : The 3C and 3CR Catalogues (Edge+ 1959-1962)J/AZh/77/3 : Studies of Bright Steep-Spectrum Radio Sources (Lipovka+, 2000)J/ApJS/13/65 : Radio source flux densities at 750+1400MHz (Pauliny-Toth+ 1966)http://www.jb.man.ac.uk/atlas/ : 3CRR Atlas home pagehttp://3crr.extragalactic.info/ : The online 3CRR cataloguehttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/MNRAS/204/151https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/MNRAS/204/151http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/MNRAS/204/151https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/MNRAS/204/151https://vizier.iucaa.in/viz-bin/votable?-source=J/MNRAS/204/151http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/MNRAS/204/151GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/MNRAS/204/151/table3 (Radio and optical data for the sample (June 1992 update by R. Laing))https://vizier.cds.unistra.fr/viz-bin/conesearch/J/MNRAS/204/151/table3?https://vizier.iucaa.in/viz-bin/conesearch/J/MNRAS/204/151/table3?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/MNRAS/204/151/table3?GETtext/xml+votable180.050000true2.4690548412.734613340.0055555555555555566/245 246 928 946 1129 1521 1701 2052 2063 2111 2125 2225 2227 2245 2249 2292 2324 2402 2414 2569 2704 2866 2949 2951 3803 4014 4088 4285 4303 4324 4341 4352 4366 4376 4629 4649 4835 5027 5086 5130 5284 5311 5413 5439 5553 5617 5671 5758 5806 5817 6075 6536 6618 6889 7005 7061 7349 7508 7606 7763 7888 7925 7959 8003 8017 8043 8116 8152 8528 8555 8626 8644 8675 8705 8809 8989 9009 9230 9252 9273 9443 9468 9633 9655 9992 10004 10052 10217 10288 10355 10374 10432 10485 10529 10601 10743 10839 10877 10925 11073 11259 11365 11377 11408 11512 11551 11652 11667 11874 12010 12045 12047 12241 12593 12684 12796 13120 13455 13564 13663 13707 13855 14858 15045 15064 15067 15909 16189 16221 16301 18365 18387 19321 19325 19432 19664 19745 19842 19857 19935 20030 20099 20111 20355 22364 22452 22501 22505 23469 23476 23529 24023 24116 24247 27514 27765 27773 27872 27934 27955 28063 28249 28279 28540 28574 31940 31951 32059 32322 323941.179440404051941e-25 1.179440404051941e-25https://cdsarc.cds.unistra.fr/viz-bin/moc/J/MNRAS/204/151?format=asciiOpticalInfraredRadiodefaultJ/MNRAS/204/151/table3Radio and optical data for the sample (June 1992 update by R. Laing)IAUIAU name (HHMM+DDd; B1950)meta.idcharu_rmag[*] Uncertain rmag (6)meta.code.errorcharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintn_IAU[n] n : Note in notes.dat filemeta.notecharNameCommon name if anymeta.id;meta.maincharS178Flux at 178MHz (KPW scale)Jyphot.flux.density;em.radio.100-200MHzfloatr_S178[1/6] Source for S178 (1)meta.ref;pos.frameintalphaRadio spectral index {alpha}, generally between 178 and 750MHz (2)spect.indexfloatFR[I II C T] Radio morphology (3)src.classcharCore[C? ] C: compact radio core detectedmeta.codecharOT[GQU? *] Optical type (4)src.classcharSpTSpectral classification (5)src.classcharz? Redshiftsrc.redshiftfloatnullablef_z[*] *: redshift estimated from the apparent magnitude (section 4)meta.codecharBmag? B (blue) magnitudemagphot.mag;em.opt.Bfloatnullableu_Bmag[*] Uncertain Bmag (6)meta.code.errorcharVmag? V (visual) magnitudemagphot.mag;em.opt.Vfloatnullableu_Vmag[*] Uncertain Vmag (6)meta.code.errorcharRmag? R (red) magnitudemagphot.mag;em.opt.Rfloatnullableu_Rmag[*] Uncertain Rmag (6)meta.code.errorcharrmag? r magnitudemagphot.mag;em.opt.RfloatnullableRAB1950Right ascension (B1950.0)pos.eq.ra;meta.mainf_RAB1950[*] * : pos. from 87GB (Cat. VIII/14)meta.codechare_RAB1950? rms uncertainty on right ascensionsstat.error;pos.eq.rafloatnullableDEB1950Declination (B1950.0)pos.eq.dec;meta.mainn_DEB1950[*] * : position from 87GB (Cat. VIII/14)meta.notechare_DEB1950? rms uncertainty on declinationarcsecstat.error;pos.eq.decfloatnullableRefReferences for the radio structure, optical position, magnitude and spectrum, in refs.dat filemeta.refcharSimbadSimbad column added by the CDSmeta.refcharNEDSimbad column added by the CDSmeta.refchar_RA.icrsRight ascension (ICRS) (computed by VizieR, not part of the original data)pos.eq.ranullableindexed_DE.icrsDeclination (ICRS) (computed by VizieR, not part of the original data)pos.eq.decnullableindexedJ/MNRAS/204/151/refsReferencesrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintRefReference codemeta.notecharBibCodeBibCodemeta.bib.bibcodecharAutAuthor's namemeta.bib.authorcharComCommentsmeta.notecharJ/MNRAS/204/151/notesIndividual notesrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintIAUIAU namemeta.idcharNoteText of the notemeta.notechar