J/ApJ/667/673ivo://CDS.VizieR/J/ApJ/667/673doi:10.26093/cds/vizier.16670673CDSGlikman E.Helfand D.J.White R.L.Becker R.H.Gregg M.D.Lacy M.2017-06-28T06:58:16Z2010-02-04T11:05:47ZCDS support team

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

cds-question@unistra.frquasarssurveysinfrared-sourcesradio-sourcesphotometryCombining radio observations with optical and infrared color selection, demonstrated in our pilot study to be an efficient selection algorithm for finding red quasars, we have obtained optical and infrared spectroscopy for 120 objects in a complete sample of 156 candidates from a sky area of 2716deg^2^.2007ApJ...667..673Ghttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/667/673CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toVIII/71 : The FIRST Survey Catalog, Version 03Apr11 (Becker+ 2003)II/246 : 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)J/ApJ/607/60 : FIRST-2MASS faint sources (Glikman+, 2004)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJ/667/673https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJ/667/673http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJ/667/673https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJ/667/673https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJ/667/673http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJ/667/673GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/ApJ/667/673/F2M (F2M red quasar candidates)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJ/667/673/F2M?https://vizier.iucaa.in/viz-bin/conesearch/J/ApJ/667/673/F2M?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJ/667/673/F2M?GETtext/xml+votable180.050000true5.9498333-1.76186110.0055555555555555566/4223 4326 4368 4415 4423 4435 4438 4447 4456 4481 4482 4495 4497 4513 4518 4523 4542 4557 4571 4594 4621 4664 4690 4800 4805 4842 4886 4961 4976 4982 5098 5125 5201 5218 5255 5274 5285 5377 5458 5518 5584 5632 5682 5754 5767 5771 5824 5840 5972 6149 6192 6197 6200 6208 6254 6348 6420 6472 6507 6549 6596 6609 6611 6928 6974 7214 7220 8455 8675 8681 8729 8791 8920 8958 9116 9125 9189 9202 9308 9341 9399 9443 9449 9474 9488 9570 9573 9606 9633 9746 9750 9779 10337 10356 10358 10448 10506 10508 10523 10525 10624 10835 10871 10947 10997 16894 17297 17305 17313 17314 17328 17514 17718 17799 18002 18060 18065 18683 18745 18853 19026 19028 25585 25938 26274 26934 26984 27205 27272 27573 27577 27631 27640 27893 28031 28117 28139 28172 28225 28290 28296 28317 28326 28346 28456 28465 28479 28492 28520 28550 28564 31722 32459 36764 36781 40951https://cdsarc.cds.unistra.fr/viz-bin/moc/J/ApJ/667/673?format=asciiOpticalInfraredRadiodefaultJ/ApJ/667/673/obscodeObservation codesrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintObsCodeObservation codemeta.code;obscharInstInstrumentmeta.id;instrcharDateObservation datetime.epoch;obscharJ/ApJ/667/673/F2MF2M red quasar candidatesrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintRSimbad column added by the CDSmeta.notecharRAJ2000Hour of Right Ascension (J2000)pos.eq.ra;meta.mainDEJ2000Degree of Declination (J2000)pos.eq.dec;meta.mainFpkFIRST catalog peak 20cm flux densitymJyphot.flux.density;em.radio.750-1500MHzfloatFintFIRST catalog integrated 20cm flux densitymJyphot.flux.density;em.radio.750-1500MHzfloatl_BmagLimit flag on Bmagmeta.code.errorcharBmag? Apparent B band magnitudemagphot.mag;em.opt.Bfloatnullablef_Bmag[b] Bmag undetected (1)meta.codecharl_RmagLimit flag on Rmagmeta.code.errorcharRmagApparent R band magnitudemagphot.mag;em.opt.Rfloatf_Rmag[b] Rmag undetected (1)meta.codecharl_JmagLimit flag on Jmagmeta.code.errorcharJmagApparent J band magnitudemagphot.mag;em.IR.Jfloatf_Jmag[a] Jmag from 2MASS-PSC (2)meta.codecharHmagApparent H band magnitudemagphot.mag;em.IR.Hfloatf_Hmag[a] Hmag from 2MASS-PSC (2)meta.codecharKmagApparent K band magnitudemagphot.mag;em.IR.Kfloatf_Kmag[a] Kmag from 2MASS-PSC (2)meta.codecharl_J-KLimit flag on J-K color indexmeta.code.error;phot.color;em.IR.JcharJ-KJ-K color indexmagphot.color;em.IR.J;em.IR.Kfloatl_R-KLimit flag on R-Kmeta.code.error;phot.color;em.opt.RcharR-KR-K color indexmagphot.color;em.opt.R;em.IR.KfloatType? Object classificationmeta.code.class;src.classcharz? Spectroscopic redshiftsrc.redshiftfloatnullableO.opt? Code for optical observation, in obscode filemeta.id;instr.obstycharO.IR? Code for near-infrared observation, in obscode filemeta.id;instr.obstycharRef? Code for references in the literature (3)meta.codecharFIRSTDisplay the FIRST data (Becker et al. 2003, Cat. VIII/71)meta.ref.urlcharOptPhotometry from 2MASS-PSC (Cat. II/246), GSC2.3 (Cat. I/305) and/or SDSS-DR7 (Cat. II/294)meta.ref.urlchar