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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/491/4925
  Changing-state quasars with CRTS (Graham+, 2020)
ReadMe+ftp
2020MNRAS.491.4925G
Similar Catalogs
Post annotation 		img(gal)
1.J/MNRAS/491/4925/table2CSQs selected in CRTS and associated features (111 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)
  Name (char) Quasar name (SDSS JHHMMSS.s+DDMMSS.s) (meta.id;meta.main)
  Vmagmed mag Median CRTS magnitude (phot.mag;em.opt.V)
  z  Redshift (src.redshift)
  logMBH [Msun] (n) Logarithm of the quasar mass (phys.mass)
  logLV [10-7W] Logarithm of the quasar luminosity (phys.luminosity;em.opt)
  Amp mag Optical amplitude (src.var.amplitude)
  DBB mag Bayesian block change ΔBB (phot.mag;arith.diff)
  SWV1  Slepian wavelet variance measure (stat.variance)
  DW1 mag (n) Absolute change in W1 |ΔW1| (phot.mag;arith.diff)
  D(Hb/[OIII])  Change in flux ratio of Hβ to [OIII] (spect.line.intensity;arith.ratio)
  SimbadName (char) (n)Designation understandable by the Simbad data-base (meta.id)
  _RA deg (i) Positions from Name (right ascension part) (pos.eq.ra;meta.main)
  _DE deg (i) Positions from Name (declination part) (pos.eq.dec;meta.main)

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