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II/365
  The CatWISE2020 catalog (updated version 28-Jan-2021) (Marocco+, 2021)
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2021ApJS..253....8M
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1.II/365/catwiseThe CatWISE2020 catalog (original column names in green) (1890715640 rows)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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ShowSortColumn  Constraint Explain   (UCD)
  objID (char) (i) Tile name + processing code + wphot index (source_id) (meta.id)
  RA_ICRS deg (i) Right ascension (ICRS) (1) (offset corrections applied by CDS, see Note (1)) (Note)   (pos.eq.ra;meta.main)
  e_RA_ICRS arcsec [0/74.3] Uncertainty in ra (sigra) (stat.error;pos.eq.ra)
  DE_ICRS deg (i) Declination (ICRS) (1) (offset corrections applied by CDS, see Note (1)) (Note)   (pos.eq.dec;meta.main)
  e_DE_ICRS arcsec [0/83.3] Uncertainty in dec (sigdec) (stat.error;pos.eq.dec)
  Name (char) Source name (JHHMMSS.ss+DDMMSS.s; <CWISE JHHMMSS.ss+DDMMSS.s> in Simbad) (source_name) (meta.id;meta.main)
  ePos arcsec [-25.7/44.2] Uncertainty cross-term (sigradec) (stat.error)
  Xpos pix X-pixel coordinate in the unWISE full depth coadd (wx) (pos.cartesian.x)
  Ypos pix Y-pixel coordinate in the unWISE full depth coadd (wy) (pos.cartesian.y)
  skyW1 ct (n) [-98.2/4997] Frame sky background value, band-1; in dn units (w1sky) (Note 2)   (instr.background)
  e_skyW1 ct (n) [0.4/999] Frame sky background value uncertainty; band-1 (w1sigsk) (Note 2)   (stat.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  confW1 ct (n) [0/999] Frame sky confusion based on the UNC images; in dn units (w1conf) (Note 2)   (instr.skyLevel)
  skyW2 ct (n) [-99/5000] Frame sky background value, band-2; in dn (w2sky) (Note 2)   (instr.background)
  e_skyW2 ct (n) [0.7/999] Frame sky background value uncertainty; band-2 (w2sigsk) (Note 2)   (stat.error)
  confW2 ct (n) [0/999] Frame sky confusion based on the UNC images; in dn units (w2conf) (Note 2)   (instr.skyLevel)
  nW1  (n) [0/221] Number of profile-fit flux measurements for source with SNR≥3, band 1 (w1NM) (meta.number)
  mW1  (n) [0/221] Number of profile-fit flux measurements for source, band-1 (w1M) (meta.number)
  nW2  (n) [0/221] Number of profile-fit flux measurements for source with SNR≥3, band-2 (w2NM) (meta.number)
  mW2  (n) [0/221] Number of profile-fit flux measurements for source, band-2 (w2M) (meta.number)
  MJD d (i) [55205/58465] Mean observation epoch (MeanObsMJD) (time.epoch)
  RAPMdeg deg Right ascension (ICRS) at Ep=2015.4 (ra_pm) (Note 3)   (pos.eq.ra)
  e_RAPMdeg arcsec (n) [1e-4/99.94] Uncertainty in ra_pm (sigra_pm) (stat.error)
  DEPMdeg deg Declination (ICRS) at Ep=2015.4 (dec_pm) (Note 3)   (pos.eq.dec)
  e_DEPMdeg arcsec (n) [0/99.8] Uncertainty in dec_pm (sigdec_pm) (stat.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  ePosPM arcsec (n) [-99.2/99.9] Uncertainty cross-term (sigradec_pm) (stat.error)
  pmRA arcsec/yr [-100/100] Motion in ra (PMRA) (1) (offset corrections applied by CDS, see Note (1)) (Note)   (pos.pm;pos.eq.ra)
  e_pmRA arcsec/yr [7e-4/1000] Uncertainty in PMRA (sigPMRA) (stat.error;pos.pm;pos.eq.ra)
  pmDE arcsec/yr [-100/100] Proper motion in dec (PMDec) (1) (offset corrections applied by CDS, see Note (1)) (Note)   (pos.pm;pos.eq.dec)
  e_pmDE arcsec/yr [7e-4/1000] Uncertainty in PMDec (sigPMDec) (stat.error;pos.pm;pos.eq.dec)
  snrW1pm  (n) [0/1000] Flux S/N ratio; band-1 (w1snr_pm) (stat.snr)
  snrW2pm  (n) [0/1000] Flux S/N ratio; band-2 (w2snr_pm) (stat.snr)
  FW1pm ct (n) [-1.2e8/2e14] WPRO raw flux, band-1 (W1, 3.35um) in dn units (w1flux_pm) (phot.mag;em.IR.3-4um)
  e_FW1pm ct (n) [3.7e-4/3.5e12] WPRO raw flux uncertainty; band-1 (w1sigflux_pm) (stat.error)
  FW2pm ct (n) [-4.8e8/2e10] WPRO raw flux, band-2 (W2, 4.6um); in dn units (w2flux_pm) (phot.mag;em.IR.4-8um)
  e_FW2pm ct (n) [1e-4/3.2e13] Fit WPRO raw flux uncertainty; band-2 (w2sigflux_pm) (stat.error)
  W1mproPM mag (n)(i) [-10/27] WPRO magnitude in band-1 (W1: 3.35um) (w1mpro_pm) (Note 4)   (phot.mag;em.IR.3-4um)
  e_W1mproPM mag (n) [0/0.6] W1mproPM uncertainty (w1sigmpro_pm) (stat.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  chi2W1pm  (n) [8.3e-7/6.4e21] WPRO reduced chi2; band-1 (w1rchi2_pm) (stat.fit.chi2)
  W2mproPM mag (n)(i) [-10/25.5] WPRO magnitude in band-2 (W2: 4.6um) (w2mpro_pm) (Note 4)   (phot.mag;em.IR.4-8um)
  e_W2mproPM mag (n) [0/0.6] W2mproPM uncertainty (w2sigmpro_pm) (stat.error)
  chi2W2pm  (n) [2.6e-6/375600] WPRO reduced chi2; band-2 (w2rchi2_pm) (stat.fit.chi2)
  chi2pm  (n) [8.3e-7/92260] Reduced chi squared; total (rchi2_pm) (stat.fit.chi2)
  pmQual (char) Quality of the PM solution (pmcode) (Note 5)   (meta.code.qual)
  Dist arcsec (n)(i) [0/20] Radial distance between apparitions (dist) (phys.angSize)
  dW1mpro mag (n) [-9.2/9.3] W1mpro difference (dw1mag) (phot.mag;arith.diff)
  chi2dW1mpro  (n) [0/100] Chi-square for dw1mag (1 DF) (rch2w1) (meta.note)
  dW2mpro mag (n) [-9.4/10.2] W2mpro difference (dw2mag) (phot.mag;arith.diff)
  chi2dW2mpro  (n) [0/100] Chi-square for dw2mag (1 DF) (rch2w2) (meta.note)
  ELONavg deg (n) Averaged ecliptic longitude (elon_avg) (pos.ecliptic.lon)
  e_ELONavg arcsec (n) [0.001/1.6] One-sigma uncertainty in elon (elonSig) (stat.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  ELATavg deg (n) Averaged ecliptic latitude (elat_avg) (pos.ecliptic.lat)
  e_ELATavg arcsec (n) [0.001/1.7] One-sigma uncertainty in elat (elatSig) (stat.error)
  dELON arcsec (n) Descending-ascending ecliptic longitude (Delon) (Note 6)   (pos;arith.diff)
  e_dELON arcsec (n) [0.001/101.5] One-sigma uncertainty in Delon (DelonSig) (stat.error)
  dELAT arcsec (n) Descending-ascending ecliptic latitude (Delat) (pos;arith.diff)
  e_dELAT arcsec (n) [0.001/105.8] One-sigma uncertainty in Delat (DelatSig) (stat.error)
  snrdELON  (n) [0/1065] |Delon|/DelonSig (DelonSNR) (stat.snr)
  snrdELAT  (n) [0/475] |Delat|/DelatSig (DelatSNR) (stat.snr)
  chi2pmRA  (n) [0/7.3e7] Chi-square for PMRA difference (1 DF) (chi2pmra) (meta.note)
  chi2pmDE  (n) [0/2.2e8] Chi-square for PMRA difference (1 DF) (chi2pmdec) (meta.note)
  ka (char) [0123n] Astrometry usage code (Note 7)   (meta.code)
  k1 (char) [0123n] W1 photometry usage code (Note 7)   (meta.code)
  k2 (char) [0123n] W2 photometry usage code (Note 7)   (meta.code)
  km (char) [0123n] Proper motion usage code (Note 7)   (meta.code)
  plx1 arcsec (n) [-831/569] Parallax from PM desc-asce elon (par_pm) (pos.parallax.trig)
  e_plx1 arcsec (n) [0.001/53] One-sigma uncertainty in par_pm (par_pmSig) (stat.error)
  plx2 arcsec (n) [-831/504] Parallax estimate from stationary solution (par_stat) (pos.parallax.trig)
  e_plx2 arcsec (n) [0.001/189] One-sigma uncertainty in par_stat (par_sigma) (stat.error)
  Sep arcsec (n) [0/2.75] Distance between CatWISE and AllWISE source (dist_x) (pos.angDistance)
  ccf (char) [0DHOPdhop] Worst case 4 character cc_flag from AllWISE (cc_flags) (Note 8)   (meta.code)
  abf (char) [0DHOP] Two character (W1 W2) artifact flag (ab_flags) (Note 8)   (meta.code)
  WISEA  Display the allWISE data (II/328) within 3" (meta.ref.url)

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