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Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
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NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/ApJS/271/54
  CatNorth: improved GaiaDR3 quasar cat. with PS1 & WISE (Fu+, 2024)
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2024ApJS..271...54F
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1.J/ApJS/271/54/table4The CatNorth quasar candidate catalog (1545514 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)
  Gaia  (i) Gaia DR3 unique source identifier (meta.id;meta.main)
  RA_ICRS deg (i) Gaia DR3 Right ascension (ICRS) at Ep=2016.0 (pos.eq.ra;meta.main)
  DE_ICRS deg (i) Gaia DR3 Declination (ICRS) at Ep=2016.0 (pos.eq.dec;meta.main)
  GLON deg Galactic longitude (pos.galactic.lon)
  GLAT deg Galactic latitude (pos.galactic.lat)
  plx mas [-11.7/14] Gaia DR3 parallax (pos.parallax.trig)
  e_plx mas [0/5] Uncertainty in plx (stat.error;pos.parallax)
  pmRA mas/yr [-10/9.4] Gaia DR3 proper motion in RA direction (pos.pm;pos.eq.ra)
  e_pmRA mas/yr [0/4] Uncertainty in pmRA (stat.error;pos.pm;pos.eq.ra)
  pmDE mas/yr [-9.2/9.6] Gaia DR3 proper motion in DE direction (pos.pm;pos.eq.dec)

ALL cols		    
 (i)indexed column
  e_pmDE mas/yr [0/4] Uncertainty in pmDE (stat.error;pos.pm;pos.eq.dec)
  pmCorr   [-0.9/0.9] Correlation between pmra and pmdec (stat.correlation)
  Bpmag mag (n) [9.9/24] Gaia DR3 integrated blue passband mean magnitude (phot.mag;em.opt.B)
  Gmag mag (n) [10/22] Gaia DR3 G-band mean magnitude (phot.mag;em.opt)
  Rpmag mag (n) [9.4/24] Gaia DR3 integrated Red passband mean magnitude (phot.mag;em.opt.R)
  BP-RP mag [-4/4] Gaia DR3 (BP-RP) color (phot.color;em.opt.B;em.opt.R)
  Excess  (n) [0.2/43.1] Gaia DR3 BP/RP excess factor (phot.flux;arith.ratio)
  PS1  (i) PS1 unique object identifier (objID) (meta.id.cross)
  RAPdeg deg PS1 Right Ascension (J2000) (Note 1)   (pos.eq.ra)
  DEPdeg deg PS1 Declination (J2000) (Note 1)   (pos.eq.dec)
  gmag mag (n) [11/30] Mean PSF AB magnitude from PS1 g-filter detections (phot.mag;em.opt.B)
  e_gmag mag (n) [0.01/0.5] Uncertainty in gmag (stat.error;phot.mag)
  rmag mag (n) [10/26] Mean PSF AB magnitude from PS1 r-filter detections (phot.mag;em.opt.R)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  e_rmag mag (n) [0.01/0.5] Uncertainty in rmag (stat.error;phot.mag)
  imag mag [10.2/23] Mean PSF AB magnitude from PS1 i-filter detections (phot.mag;em.opt.I)
  e_imag mag [0/0.22] Uncertainty in imag (stat.error;phot.mag)
  zmag mag (n) [12.7/23] Mean PSF AB magnitude from PS1 z-filter detections (phot.mag;em.opt.I)
  e_zmag mag (n) [0.01/0.5] Uncertainty in zmag (stat.error;phot.mag)
  ymag mag (n) [6.6/22.4] Mean PSF AB magnitude from PS1 y-filter detections (phot.mag;em.IR.J)
  e_ymag mag (n) [0.01/0.5] Uncertainty in ymag (stat.error;phot.mag)
  CATWISE (char) (i) CatWISE2020 source identifier (objID) (meta.id.cross)
  RACdeg deg CatWISE2020 Right Ascension (J2000) (pos.eq.ra)
  DECdeg deg CatWISE2020 Declination (J2000) (pos.eq.dec)
  pmRACW arcsec/yr [-2.1/2.5] CatWISE2020 proper motion in RA direction (pos.pm;pos.eq.ra)
  pmDECW arcsec/yr [-5.3/3] CatWISE2020 proper motion in DE direction (pos.pm;pos.eq.dec)
  e_pmRACW arcsec/yr [0/0.4] Uncertainty in pmRACW (stat.error;pos.pm;pos.eq.ra)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  e_pmDECW arcsec/yr [0/0.4] Uncertainty in pmDECW (stat.error;pos.pm;pos.eq.dec)
  snrw1pm   [5/324] Flux S/N ratio in CatWISE2020 band-1; W1 (stat.snr)
  snrw2pm   [3/1840] Flux S/N ratio in CatWISE2020 band-2; W2 (stat.snr)
  W1mag mag [8/20.2] WPRO magnitude in band-1 (phot.mag;em.IR.3-4um)
  e_W1mag mag [0.003/0.3] Uncertainty in W1mag (stat.error;phot.mag)
  W2mag mag [7/19.1] WPRO magnitude in band-2 (phot.mag;em.IR.4-8um)
  e_W2mag mag [0.001/0.4] Uncertainty in W2mag (stat.error;phot.mag)
  chi2pmRA   [0/2783] Chi-square for pmRACW difference (stat.fit.chi2)
  chi2pmDE   [0/12790] Chi-square for pmDECW difference (stat.fit.chi2)
  CExcess   [-0.9/42] Corrected Excess factor (arith.factor)
  fpm0   [0/523] Probability density of zero proper motion (stat.fit.goodness)
  logfpm0 [-] [-4/99] Logarithm of fpm0 (stat.fit.goodness)
  pGal   [0/0.5] Mean probability of object being a galaxy (stat.fit.goodness)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  pQSO   [0.3/1] Mean probability of object being a quasar (stat.fit.goodness)
  pstar   [0/0.5] Mean probability of object being a star (stat.fit.goodness)
  zGaia   [0/6.2] Redshift estimate from Gaia DR3 QSO candidate table (src.redshift;pos.heliocentric)
  zxgb   [0/5] Photometric redshift predicted with XGBoost (src.redshift.phot)
  ztab   [0/10] Photometric redshift predicted with TabNet (src.redshift.phot)
  zftt   [0/6] Photometric redshift predicted with FT-Transformer (src.redshift.phot)
  zph   [0.09/5.1] Ensemble photometric redshift (Note 2)   (src.redshift)
  zxp-nn   [0/5] Spectral redshift predicted with RegNet using Gaia low-res spectroscopy (src.redshift;pos.heliocentric)
  Good (char) Indicator of PS1 photometry availability (Note 3)   (meta.code.qual)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)
  _RA.icrs deg (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
  _DE.icrs deg (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)

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