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/ApJS/242/28
  MgII-BAL quasar variability in SDSS spectra (Yi+, 2019)
ReadMe+ftp
2019ApJS..242...28Y
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/242/28/table3MgII-BAL trough identifications and quantitative measurements (484 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.s) (meta.id;meta.main)
  RAJ2000 deg (i) [15.9/360] Right Ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) [-11/65.1] Declination (J2000) (pos.eq.dec;meta.main)
  MJD1 d [51614/57460] First Modified Julian Date (time.epoch)
  MJD2 d [51936/58230] Second Modified Julian Date (time.epoch)
  chi2   [0.4/60.4] Model χ2 (stat.param;meta.modelled)
  Nv   [0/9] Number of variable regions in the trough pair (meta.id;obs.field)
  Vmax km/s [-25956/-1390] Maximum limits of trough velocity (spect.dopplerVeloc;stat.max)
  Vmin km/s [-24111/1269] Minimum limits of trough velocity (spect.dopplerVeloc;stat.min)
  d1   [-0.2/0.9] BAL depth at MJD1 (phot.flux.density;arith.ratio)
  d2   [-0.05/0.9] BAL depth at MJD2 (phot.flux.density;arith.ratio)
  EW1 0.1nm [0.5/110.4] First equivalent width; in Angstroms (spect.line.eqWidth)
  e_EW1 0.1nm [0.04/4.3] Uncertainty in EW1 (stat.error)
  EW2 0.1nm [0.1/112.3] Second equivalent width; in Angstroms (spect.line.eqWidth)
  e_EW2 0.1nm [0.03/4.3] Uncertainty in EW2 (stat.error)

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