VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .
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VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
 Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/MNRAS/504/2767
  A Chandra survey of z ≥ 4.5 quasars (Li+, 2021)
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2021MNRAS.504.2767L
Similar Catalogs
Post annotation 		img(gal)
1.J/MNRAS/504/2767/tablea1Observational and physical properties of the 152 QSos final sample (152 rows)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  QSO (char) Name of the QSO in the format of Jhhmmss ddmmss (QSO) (Note 1)   (meta.id;meta.main)
  Name (char) Other name of the QSO (OTHERNAMES) (meta.id)
  RAJ2000 "h:m:s" (i) Right ascension (J2000) (QSORAh) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Declination (J2000) (QSODEd) (pos.eq.dec;meta.main)
  Ref (char) Reference discovering the QSO (DISCOVERY) (meta.ref;pos.frame)
  zQSO  Best Redshift of the QSO (REDSHIFT) (src.redshift;pos.heliocentric)
  e_zQSO  (n) Error of the redshift (REDSHIFT_ERR) (stat.error)
  zMETHOD (char) Method used to measure the redshift (REDSHIFT_METHOD) (Note 2)   (meta.code;obs)
  r_zQSO (char) Reference of the adopted redshift data (REDSHIFT_REF) (meta.ref;pos.frame)
  1450Mag mag Absolute magnitude at 1450 angstrom (M1450) (phys.magAbs)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  F2500 10-28mW/m2/HzRest frame monochromatic flux at 2500 angstrom (F2500) (phot.flux.density)
  L2500 10+25W/HzRest frame monochromatic luminosity at 2502 angstrom (LNUR2500) (phys.luminosity)
  NCtSoft ct Background subtracted net counts number in 0.5-2 keV (NETCTSSOFT) (phot.count;em.X-ray.soft)
  NCtHard ct Background subtracted net counts number in 2-7 keV (NETCTSHARD) (phot.count;em.X-ray.medium)
  NCtFull ct Background subtracted net counts number in 0.5-7 keV (NETCTSFULL) (phot.count;em.X-ray.medium)
  s_NCtSoft ct 1 sigma background rms in 0.5-2 keV (SIGMASOFT) (stat.stdev;instr.background;em.X-ray.soft)
  s_NCtHard ct 1 sigma background rms in 2-7 keV (SIGMAHARD) (stat.stdev;instr.background;em.X-ray.medium)
  s_NCtFull ct 1 sigma background rms in 0.5-7 keV (SIGMAFULL) (stat.stdev;instr.background;em.X-ray.medium)
  S/NSoft  Signal-to-noise ratio of the QSO in 0.5-2 keV (QSOSNRSOFT) (stat.snr)
  S/NHard  Signal-to-noise ratio of the QSO in 2-7 keV (QSOSNRHARD) (stat.snr)
  S/NFull  Signal-to-noise ratio of the QSO in 0.5-7 keV (QSOSNRFULL) (stat.snr)
  LX 10+37W Observational frame 0.5-2 keV luminosity (LX) (phys.luminosity;em.X-ray)
  e_LX 10+37W Lower error 1 sigma of LX (ELXL) (stat.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  E_LX 10+37W Upper error 1 sigma of LX (ELXH) (stat.error;stat.max)
  F2kev 10-33mW/m2/HzRest frame monochromatic flux at 2 keV (F2KEV) (phot.flux;em.X-ray)
  e_F2kev 10-33mW/m2/HzLower error 1 sigma of F2kev (EF2KEVL) (stat.error)
  E_F2kev 10-33mW/m2/HzUpper error 1 sigma of F2kev (EF2KEVH) (stat.error;stat.max)
  FX 10-14mW/m2Observational frame 0.5-2 keV flux (FX) (phot.flux;em.X-ray)
  e_FX 10-14mW/m2Lower error 1 sigma of FX (EFXL) (stat.error)
  E_FX 10-14mW/m2Upper error 1 sigma of FX (EFXH) (stat.error;stat.max)
  LXRest 10+37W Rest frame 2-10 keV luminosity (LXREST) (phys.luminosity;em.X-ray)
  e_LXRest 10+37W Lower error 1 sigma of LXRest (ELXRESTL) (stat.error)
  E_LXRest 10+37W Upper error 1 sigma of LXRest (ELXRESTH) (stat.error;stat.max)
  FXRest 10-14mW/m2Rest frame 2-10 keV flux (FXREST) (phot.flux;em.X-ray)
  e_FXRest 10-14mW/m2Lower error 1 sigma of FXRest (EFXRESTL) (stat.error)
  E_FXRest 10-14mW/m2Upper error 1 sigma of FXRest (EFXRESTH) (stat.error;stat.max)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  Gamma  Photon index Gamma of the power-law spectral fit in X-ray band (PHOINDEX) (Note 3)   (instr.bandwidth;meta.modelled)
  e_Gamma  Lower error 1 sigma of Gamma (EPHOINDEXL) (stat.error)
  E_Gamma  Upper error 1 sigma of Gamma (EPHOINDEXH) (stat.error;stat.max)
  alphaOX  Optical-to-X-ray spectral slope (ALPHAOX) (spect.index)
  e_alphaOX  Lower error 1 sigma of alphaOX (EALPHAOXL) (stat.error)
  E_alphaOX  Upper error 1 sigma of alphaOX (EALPHAOXH) (stat.error;stat.max)
  ObsIDCha (char) List of Chandra observation ID used in this work (OBSIDCHANDRA) (meta.id;instr.setup;obs)
  TexpCha ks Total effective Chandra exposure time (TEXPCHANDRA) (time.duration;obs.exposure)
  XMMdata (char) List of XMM-Newton observations covering this QSO (XMMDATA) (meta.id;obs)
  XMMObj (char) Object name of the XMM-Newton observations covering this QSO (XMMOBJ) (meta.id)
  NIRref (char) References of the near-IR spectra (NIRREF) (meta.bib)
  MSMBH 10+10MsunSupermassive black hole mass (MSMBH) (Note 4)   (phys.mass)
  e_MSMBH 10+10MsunLower error 1 sigma of MSMBH (EMSMBHL) (stat.error)
  E_MSMBH 10+10MsunUpper error 1 sigma of MSMBH (EMSMBHH) (stat.error;stat.max)
  lambdaEd  Eddington ratio of the SMBH (LAMBDAEDD) (Note 4)   (phys.luminosity;arith.ratio)
  e_lambdaEd  Lower error 1 sigma of lambdaEdd (ELAMBDAEDDL) (stat.error)
  E_lambdaEd  Upper error 1 sigma of lambdaEdd (ELAMBDAEDDH) (stat.error;stat.max)
  Note (char) Additional special notes on individual QSOs (NOTE) (meta.note)
  FRadio mJy Integrated 20 cm radio flux (RADIOFLUX) (phot.flux.density;em.radio.750-1500MHz)
  DRadio arcsec Separation of the radio position from the optical position (RADIODIST) (pos.angDistance)
  SimbadName (char) (n)Designation understandable by the Simbad data-base (meta.id)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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