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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/ApJ/871/57
  SDSS & MMT obs. of extremely massive QSOs & gal. (Yoon+, 2019)
ReadMe+ftp
2019ApJ...871...57Y
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/871/57/table1Properties of extremely massive quasars (52 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 DR7 quasar name (JHHMMSS.ss+DDMMSS.s) (Note 1)   (meta.id;meta.main)
  Ng  (n)Number of galaxies within 0.5deg of this quasar (link to MMT observations – Table 2) (meta.ref.url)
  zspec   [0.24/0.4] Spectroscopic redshifts (Note 1)   (src.redshift;pos.heliocentric)
  logL5100 [10-7J] [44/45.8] Log of the 5100 continuum luminosity; in units of erg/s (phys.luminosity)
  e_logL5100 [10-7J] [0/0.04] Uncertainty in logL5100 (stat.error)
  FWHMHb km/s [8162/38343] Hβ full width at half maximum (spect.line.width)
  e_FWHMHb km/s [154/8713] Uncertainty in FWHMHb (stat.error)
  logMBH [Msun] [9.4/10.6] Log of black hole mass (phys.mass)
  e_logMBH [Msun] [0.01/0.4] Uncertainty in logMBH (stat.error)
  d0.5Mpc   [-1/10.2] Overdensity around quasar at 0.5Mpc (Note 2)   (phys.density;arith.ratio)
  d7th   [-0.6/19.1] Overdensity around quasar at 7th nearest galaxy (Note 2)   (phys.density;arith.ratio)
  DPE (char) Double peaked Hβ emission? (Y=QSOs with double-peaked broad Hβ lines; 30 occurrences) (Note 3)   (meta.code)
  DR7+DR12  Display data from SDSS -DR7 (II/294) and -DR12 (V/147) within 0.5" (meta.ref.url)
  Sloan  Display the online SDSS 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)
  LEDA  ask the LEDA data-base about this object (meta.ref.url)
  _RA deg (i) Position from SDSS name (right ascension part) (pos.eq.ra;meta.main)
  _DE deg (i) Position from SDSS name (declination part) (pos.eq.dec;meta.main)

ALL cols		    
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