J/ApJ/726/20ivo://CDS.VizieR/J/ApJ/726/20doi:10.26093/cds/vizier.17260020CDSMiller B.P.Brandt W.N.Schneider D.P.Gibson R.R.Steffen A.T.Wu J.2017-11-29T11:48:35Z2012-09-10T15:40:30ZCDS support team

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

cds-question@unistra.frvisible-astronomysloan-photometryredshiftedquasarsradio-sourcesx-ray-sourcesWe present the results of an investigation into the X-ray properties of radio-intermediate and radio-loud quasars (RIQs and RLQs, respectively). We combine large, modern optical (e.g., SDSS) and radio (e.g., FIRST) surveys with archival X-ray data from Chandra, XMM-Newton, and ROSAT to generate an optically selected sample that includes 188 RIQs and 603 RLQs. This sample is constructed independently of X-ray properties but has a high X-ray detection rate (85%); it provides broad and dense coverage of the l-z plane, including at high redshifts (22% of objects have z=2-5), and it extends to high radio-loudness values (33% of objects have R*=3-5, using logarithmic units). We measure the "excess" X-ray luminosity of RIQs and RLQs relative to radio-quiet quasars (RQQs) as a function of radio loudness and luminosity, and parameterize the X-ray luminosity of RIQs and RLQs both as a function of optical/UV luminosity and also as a joint function of optical/UV and radio luminosity. RIQs are only modestly X-ray bright relative to RQQs; it is only at high values of radio loudness (R*>~3.5) and radio luminosity that RLQs become strongly X-ray bright.2011ApJ...726...20Mhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/726/20CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toVII/260 : The SDSS-DR7 quasar catalog (Schneider+, 2010)J/A+A/535/A80 : Type-2 QSOs in XMM-COSMOS (Mainieri+, 2011)J/ApJS/191/124 : Optical spectroscopy of ECDF-S sources (Silverman+, 2010)J/ApJS/187/560 : Photometric redshifts of the 2Ms CDF-S (Luo+, 2010)J/ApJ/720/368 : Color-magnitude relations of galaxies in CDFs (Xue+, 2010)J/ApJS/180/67 : Photometric selection of QSOs from SDSS. II. (Richards+, 2009)J/ApJ/696/1195 : COSMOS AGN spectroscopic survey. I. (Trump+, 2009)J/ApJ/698/1095 : The FIRST-2MASS red QSO survey. II. (Urrutia+, 2009)J/ApJ/693/8 : High-redshift QSOs in the COSMOS survey (Brusa+, 2009)J/ApJ/689/687 : GOODS-N spectroscopic survey (Barger+, 2008)J/ApJS/179/1 : The OPTX project: CLANS, CLASXS and CDF-N (Trouille+, 2008)J/MNRAS/391/369 : New z>=3.6 QSOs from FIRST-SDSS DR5 (Carballo+, 2008)J/ApJ/644/100 : SDSS quasars in the COSMOS field (Prescott+, 2006)J/A+A/437/883 : K20 survey: spectroscopic catalogue (Mignoli+, 2005)J/ApJS/155/271 : CDF-South: Optical spectroscopy (Szokoly+, 2004)J/AJ/126/632 : UBVRIz'HK' photometry of 2Ms CDFN sources (Barger+, 2003)J/AJ/121/1872 : FIRST radio-selected QSOs (Helfand+, 2001)J/ApJS/135/227 : The FIRST bright quasar survey. III. (Becker+, 2001)J/A+A/323/739 : ROSAT detected quasars. II. (Brinkmann+ 1997)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJ/726/20https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJ/726/20http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJ/726/20https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJ/726/20https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJ/726/20http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJ/726/20GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/ApJ/726/20/table1 (Primary sample radio-intermediate (RIQs) and radio-lound (RLQs) quasars)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJ/726/20/table1?https://vizier.iucaa.in/viz-bin/conesearch/J/ApJ/726/20/table1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJ/726/20/table1?GETtext/xml+votable180.050000true1.175750.00647220.005555555555555556Cone search capability for table J/ApJ/726/20/table2 (RIQs and RLQs selected from deep surveys)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJ/726/20/table2?https://vizier.iucaa.in/viz-bin/conesearch/J/ApJ/726/20/table2?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJ/726/20/table2?GETtext/xml+votable180.050000true52.812625-27.92180560.0055555555555555565/2629 6/4159 4168 4262 4285 4298 4303 4324 4326 4327 4344 4348 4391 4438 4444 4447 4448 4504 4533 4709 4715 4736 4748 4750 4801 4804 4820 4831 4850 4870 4921 4923 4926 4964 4965 4977 4990 4992 5027 5069 5074 5080 5091 5098 5102 5106 5135 5228 5229 5231 5244 5272 5291 5299 5305 5311 5312 5351 5363 5394 5405 5420 5439 5469 5482 5491 5504 5509 5523 5535 5545 5563 5569 5570 5584 5587 5597 5610 5628 5630 5664 5666 5667 5672 5675 5685 5687 5688 5689 5691 5718 5731 5749 5751 5781 5798 5804 5816 5818 5825 5838 5854 5860 5864 5881 5890 5894 5895 5902 5918 5920 5925 5935 5936 6008 6021 6030 6033 6037 6038 6069 6075 6086 6107 6112 6164 6233 6251 6252 6337 6386 6448 6464 6467 6470 6494 6495 6498 6499 6532 6536 6604 6623 6977 7168 7178 7220 7241 7245 7267 7278 7280 7281 7301 7328 7349 7351 7371 7381 7389 7424 7425 7426 7446 7448 7477 7488 7496 7552 7554 8220 8258 8265 8268 8271 8288 8299 8347 8384 8458 8524 8528 8553 8574 8641 8671 8681 8687 8705 8707 8710 8858 8906 8909 8922 8923 8927 8950 8969 9018 9036 9069 9145 9146 9148 9150 9151 9181 9194 9213 9327 9347 9353 9354 9375 9402 9428 9436 9457 9470 9481 9490 9512 9513 9521 9613 9618 9629 9632 9633 9642 9767 9831 9837 9842 9912 9997 9999 10002 10074 10116 10131 10137 10153 10189 10190 10209 10211 10214 10217 10221 10271 10292 10293 10305 10312 10314 10321 10336 10337 10338 10378 10379 10389 10390 10391 10400 10401 10420 10422 10434 10442 10449 10451 10464 10472 10474 10486 10501 10512 10513 10515 10528 10529 10531 10544 10560 10571 10589 10604 10611 10645 10657 10664 10691 10707 10751 10758 10761 10769 10788 10799 10841 10844 10879 10904 10912 10925 10963 10970 10977 10979 10999 11017 11027 11029 11048 11100 11101 11104 11112 11117 11127 11130 11179 11182 11183 11185 11191 11203 11214 11217 11237 11252 11279 11290 11347 11373 11374 11388 11392 11430 11434 11460 11461 11467 11473 11586 11589 11787 11793 11802 11807 11911 17237 17297 17492 17749 17755 17765 17767 17812 17817 17819 18005 18007 18022 18024 18089 18090 18092 18112 18526 18546 18627 18780 19028 22485 23210 25565 25585 25944 25956 25969 25977 25990 25991 25996 26017 26022 26056 26157 26175 26188 26189 26195 26223 26245 26266 26269 26280 26292 26298 26302 26303 26310 26316 26331 26372 26374 26421 26446 26454 26499 26563 26568 26596 26614 26946 26951 26967 26975 26990 26991 26998 27044 27049 27100 27225 27226 27235 27246 27256 27258 27259 27307 27342 27343 27382 27383 27392 27402 27423 27462 27487 27514 27554 27617 27650 27652 27681 27714 27715 27718 27719 27720 27728 27730 27734 27736 27739 27761 27762 27766 27774 27803 27862 27906 27918 27936 27937 27941 27944 27950 27963 27966 27982 28032 28046 28047 28060 28075 28080 28083 28107 28123 28124 28126 28127 28138 28141 28154 28167 28173 28209 28245 28251 28275 28281 28315 28352 28353 28355 28393 28396 28471 28476 28481 28493 28494 28495 28496 28515 28517 28518 28560 28589 28631 31354 31391 31407 31533 31535 32500 35935 35957 36780 36782 36785 36793 45054 49106https://cdsarc.cds.unistra.fr/viz-bin/moc/J/ApJ/726/20?format=asciiOpticalRadioX-raydefaultJ/ApJ/726/20/table1Primary sample radio-intermediate (RIQs) and radio-lound (RLQs) quasarsSDSSSimbad column added by the CDSmeta.id;meta.maincharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintNameObject name (HHMMSS.ss+DDMMSS.s; J2000, truncated coordinates)meta.idcharzRedshift (1)src.redshiftfloatimagSDSS PSF i-band magnitude corrected for Galactic absorptionmagphot.mag;em.opt.Ifloatd(i-g)Object (g-i) minus typical (g-i) of similar z SDSS quasarsmagphot.color;em.opt.B;em.opt.IfloatlogLRLog of Radio luminosity (G1)log(1e-07W.Hz**-1)phys.luminosity;em.radiofloatlogLLog of optical/UV luminosity (G1)log(1e-07W.Hz**-1)phys.luminosityfloatlogLXLog of X-ray luminosity (G1)log(1e-07W.Hz**-1)phys.luminosity;em.X-rayfloatX[0/1] X-ray detection flag (1=X-ray detected or 0=X-ray upper limit (95% confidence))meta.codeintRLRadio loudness (G2)phys.luminosity;arith.ratiofloataoxOptical/UV-to-X-ray spectral slope {alpha}_ox_ (aox=0.384*(log(LX/L)))spect.indexfloatar? Radio spectral slope {alpha}_r_ (2)spect.indexfloatnullablel_logLRc[<] Core detection flag: < = core not in FIRST catalog or blank = core in FIRST catalogmeta.code.errorcharlogLRcCore radio luminosity (3)log(1e-07W.Hz**-1)phys.luminosityfloatof[SP] Optical selection flag (4)meta.codecharXcX-ray coverage flag (5)meta.codecharR09Cross-match with Richards et al., 2009, Cat. J/ApJS/180/67, within 1.5"meta.ref.urlintnullableDR7Display the data from the SDSS-DR7 quasar and photometric catalogs within 1.5"meta.ref.urlcharSloanDisplay the online SDSS data for this quasarmeta.ref.urlcharSimbadSimbad column added by the CDSmeta.ref.urlcharNEDSimbad column added by the CDSmeta.ref.urlchar_RAPositions from Name (right ascension part)degpos.eq.ra;meta.main_DEPositions from Name (declination part)degpos.eq.dec;meta.mainJ/ApJ/726/20/table2RIQs and RLQs selected from deep surveyszRedshiftsrc.redshiftfloatl_aoxLimit flag on aoxmeta.code.errorcharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintS[C /BL] Selection set (C = color selected or BL = Broad-line selected)meta.idcharNameObject name (HHMMSS.ss+DDMMSS.s; J2000, truncated optical coordinates)meta.id;meta.maincharimagi-band magnitudemagphot.mag;em.opt.IfloatlogLRLog of Radio luminosity (G1)log(1e-07W.Hz**-1)phys.luminosity;em.radiofloatlogLLog of optical/UV luminosity (G1)log(1e-07W.Hz**-1)phys.luminosityfloatl_logLXLimit flag on logLXmeta.code.errorcharlogLXLog of X-ray luminosity (G1)(1)log(1e-07W.Hz**-1)phys.luminosity;em.X-rayfloatRLRadio loudness (G2)phys.luminosity;arith.ratiofloataoxOptical/UV-to-X-ray spectral slope {alpha}_ox_ (aox=0.384*(log(LXL)))spect.indexfloatRef? Reference for redshift (2)meta.ref;pos.frameintnullableOCatCross-match with the redshift catalogs within 1.5"meta.ref.urlintnullableSimbadSimbad column added by the CDSmeta.ref.urlchar_RAPositions from Name (right ascension part)degpos.eq.ra;meta.main_DEPositions from Name (declination part)degpos.eq.dec;meta.main