VizieR

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

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/ApJ/928/60
  Virial factor of SDSS DR5 QSOs (Liu+, 2022)
ReadMe+ftp
2022ApJ...928...60L
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/928/60/table1The relevant parameters for 1973 quasars in SDSS DR5 (1973 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)
  SDSS (char) SDSS DR5 object designation (HHMMSS.ss+DDMMSS.s; J2000) (meta.id;meta.main)
  z   [0.078/0.81] Spectroscopic redshift (Note 1)   (src.redshift)
  VHb km/s [704/11428] Hβ broad line Full-Width at Half-Maximum (Note 1)   (spect.line.width)
  e_VHb km/s [15/899] Uncertainty in VHb (stat.error;spect.line.width)
  sigmaHb km/s [591/5057] Hβ broad line velocity dispersion (Note 1)   (phys.veloc.dispersion;em.line)
  DelVHb km/s [19/3336] Redward velocity shift of Hβ (Note 1)   (phys.veloc;phys.atmol.lineShift)
  e_DelVHb km/s [8/432] Uncertainty in DelVHb (stat.error;phys.veloc;phys.atmol.lineShift)
  VFe2 km/s [922/9227] FeII broad line Full-Width at Half-Maximum (Note 1)   (spect.line.width)
  e_VFe2 km/s [18/2657] Uncertainty in VFe2 (stat.error;spect.line.width)
  DelVFe2 km/s [24/2969] Redward velocity shift of FeII (Note 1)   (phys.veloc;phys.atmol.lineShift)

ALL cols		    
 (i)indexed column
  e_DelVFe2 km/s [9/656] Uncertainty in DelVFe2 (stat.error;phys.veloc;phys.atmol.lineShift)
  logL [10-7W] [43.75/46.17] Log luminosity at 5100Å; erg/s (Note 1)   (phys.luminosity)
  MBH 10+7Msun [0.9/573] Black hole mass (Note 1)   (phys.mass)
  Lb/LE   [0.016/1.21] Ratio of bolometric to Eddington luminosities (Note 1)   (phys.luminosity;arith.ratio)
  RFe   [0.16/4.4] FeII/Hβ line ratio (Note 1)   (spect.line.intensity;arith.ratio)
  f(Hb)   [0.3/94] Virial factor from VHb (arith.factor;phys.virial)
  e_f(Hb)   [0.2/32] Uncertainty in f (Hb) (stat.error;arith.factor;phys.virial)
  f(sigHb)   [1/148.1] Virial factor from sigmaHb (arith.factor;phys.virial)
  e_f(sigHb)   [0.5/42] Uncertainty in f (sigmaHb) (stat.error;arith.factor;phys.virial)
  f(Fe2)   [1/222] Virial factor from VFe2 (arith.factor;phys.virial)
  e_f(Fe2)   [0.7/340000000] Uncertainty in f (Fe2) (stat.error;arith.factor;phys.virial)
  logMdot [-] [-0.4/1.5] Log dimensionless accretion rate (phys.mass;arith.rate)
  Ratio   [633/46406] Broad-line region radius (Note 2)   (phys.size.radius;em.line;arith.diff)
  H08  Display data from Hu+ 2008, J/ApJ/687/78 (meta.ref.url)
  Sloan  Display the online SDSS-DR17 data for the nearest object (meta.ref.url)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)
  NED  ask the NED data-base about this object (meta.ref.url)
  _RA deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
  _DE deg (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main)

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