VizieR

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

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/933/180
  TDSS. Changing-look quasars candidates (Green+, 2022)
ReadMe+ftp
2022ApJ...933..180G
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/933/180/table2Changing-look quasars (CLQ) candidates in our visually selected DR14 quasar sample (167 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 Identifier (JHHMMSS.ss+DDMMSS.ss) (meta.id;meta.main)
  Sel (char) Selection (Note 1)   (meta.code)
  zspec   [0.05/0.9] SDSS spectroscopic redshift (src.redshift)
  MJD d [51811/58699] Spectrum epoch, JD-2400000.5 (time.epoch)
  Fac (char) Facility (Note 2)   (meta.code)
  Nsigma  (n) [0.5/14.09] Nσ, Broad Hβ (stat.fit.param)
  State (char) State (Note 3)   (phys)
  L3240 10+35W [0.46/2075.5] Luminosity, continuum at 3240Å (in 10+42 erg/s unit) (phys.luminosity)
  e_L3240 10+35W Uncertainty in L3240 (stat.error)
  L5100 10+35W [2.5/1673.7] Luminosity, continuum at 5100Å (in 10+42 erg/s unit) (phys.luminosity)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  e_L5100 10+35W [0.1/88.8] Uncertainty in L5100 (stat.error)
  LHb 10+35W Luminosity, Hβ emission (in 10+42 erg/s unit) (phys.luminosity)
  e_LHb 10+35W Uncertainty in LHb (stat.error)
  L2800 10+35W (n) [0.77/2224.29] Luminosity, continuum at 2800Å (in 10+42 erg/s unit) (phys.luminosity)
  e_L2800 10+35W (n) [0.01/63.52] Uncertainty in L2800 (stat.error)
  LMgII 10+35W (n) [0.05/41.54] Luminosity, MgII emission (in 10+42 erg/s unit) (phys.luminosity)
  e_LMgII 10+35W (n) [0.05/9.73] Uncertainty in LMgII (stat.error)
  Notes (char) Notes and/or references (Note 4)   (meta.note)
  QSODR16  Display the QSO DR16 data (Lyke et al. 2020, Cat. VII/289) (meta.ref.url)
  Sloan  Display the online SDSS data for the nearest object (meta.ref.url)
  SimbadName (char) (n)Designation understandable by the Simbad data-base (meta.id)
  _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)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  
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