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II/365/catwise The CatWISE2020 catalog (updated version 28-Jan-2021) (Marocco+, 2020)
The CatWISE2020 catalog (original column names in green) (1890715640 rows)
  -c=035.5781780 -75.4717005, eq=ICRS, rs=2
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ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (035.5781780-75.4717005)[ICRS] (pos.angDistance)
_RAJ200002 22 18.762720 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-75 28 18.12180 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195002 22 16.223543 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-75 41 53.47692 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon295.629299546 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat-40.341470829 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)

source_id0348m758_b0-030783  (i) Tile name + processing code + wphot index (source_id) (meta.id)
RA_ICRS035.5781780 deg (i) Right ascension (ICRS) (1) (offset corrections applied by CDS, see Note (1)) (Note)   (pos.eq.ra;meta.main)
sigra 0.0893 arcsec [0/74.3] Uncertainty in ra (sigra) (stat.error;pos.eq.ra)
DE_ICRS-75.4717005 deg (i) Declination (ICRS) (1) (offset corrections applied by CDS, see Note (1)) (Note)   (pos.eq.dec;meta.main)
sigdec 0.0846 arcsec [0/83.3] Uncertainty in dec (sigdec) (stat.error;pos.eq.dec)
source_nameJ022218.74-752818.1  Source name (JHHMMSS.ss+DDMMSS.s; <CWISE JHHMMSS.ss+DDMMSS.s> in Simbad) (source_name) (meta.id;meta.main)
sigradec 0.0319 arcsec [-25.7/44.2] Uncertainty cross-term (sigradec) (stat.error)
wx 782.218 pix X-pixel coordinate in the unWISE full depth coadd (wx) (pos.cartesian.x)
wy1350.936 pix Y-pixel coordinate in the unWISE full depth coadd (wy) (pos.cartesian.y)
w1sky -0.13 ct [-98.2/4997] Frame sky background value, band-1; in dn units (w1sky) (Note 2)   (instr.background)
w1sigsk 3.3 ct [0.4/999] Frame sky background value uncertainty; band-1 (w1sigsk) (Note 2)   (stat.error)
w1conf 0.00 ct [0/999] Frame sky confusion based on the UNC images; in dn units (w1conf) (Note 2)   (instr.skyLevel)
w2sky -0.11 ct [-99/5000] Frame sky background value, band-2; in dn (w2sky) (Note 2)   (instr.background)
w2sigsk 9.3 ct [0.7/999] Frame sky background value uncertainty; band-2 (w2sigsk) (Note 2)   (stat.error)
w2conf 0.00 ct [0/999] Frame sky confusion based on the UNC images; in dn units (w2conf) (Note 2)   (instr.skyLevel)
w1NM 12   [0/221] Number of profile-fit flux measurements for source with SNR≥3, band 1 (w1NM) (meta.number)
w1M 12   [0/221] Number of profile-fit flux measurements for source, band-1 (w1M) (meta.number)
w2NM 11   [0/221] Number of profile-fit flux measurements for source with SNR≥3, band-2 (w2NM) (meta.number)
w2M 12   [0/221] Number of profile-fit flux measurements for source, band-2 (w2M) (meta.number)
MeanObsMJD57198.992167 MJD (i) [55205/58465] Mean observation epoch (MeanObsMJD) (time.epoch)
ra_pm 35.5781095 deg Right ascension (ICRS) at Ep=2015.4 (ra_pm) (Note 3)   (pos.eq.ra)
sigra_pm 0.0888 arcsec [1e-4/99.94] Uncertainty in ra_pm (sigra_pm) (stat.error)
dec_pm-75.4717102 deg Declination (ICRS) at Ep=2015.4 (dec_pm) (Note 3)   (pos.eq.dec)
sigdec_pm 0.0842 arcsec [0/99.8] Uncertainty in dec_pm (sigdec_pm) (stat.error)
sigradec_pm 0.0315 arcsec [-99.2/99.9] Uncertainty cross-term (sigradec_pm) (stat.error)
PMRA -0.02614 arcsec/yr [-100/100] Motion in ra (PMRA) (1) (offset corrections applied by CDS, see Note (1)) (Note)   (pos.pm;pos.eq.ra)
sigPMRA 0.0311 arcsec/yr [7e-4/1000] Uncertainty in PMRA (sigPMRA) (stat.error;pos.pm;pos.eq.ra)
PMDec -0.00568 arcsec/yr [-100/100] Proper motion in dec (PMDec) (1) (offset corrections applied by CDS, see Note (1)) (Note)   (pos.pm;pos.eq.dec)
sigPMDec 0.0292 arcsec/yr [7e-4/1000] Uncertainty in PMDec (sigPMDec) (stat.error;pos.pm;pos.eq.dec)
w1snr_pm 37.3   [0/1000] Flux S/N ratio; band-1 (w1snr_pm) (stat.snr)
w2snr_pm 15.0   [0/1000] Flux S/N ratio; band-2 (w2snr_pm) (stat.snr)
w1flux_pm 2.1e+02 ct [-1.2e8/2e14] WPRO raw flux, band-1 (W1, 3.35um) in dn units (w1flux_pm) (phot.mag;em.IR.3-4um)
w1sigflux_pm 6e+00 ct [3.7e-4/3.5e12] WPRO raw flux uncertainty; band-1 (w1sigflux_pm) (stat.error)
w2flux_pm 2.2e+02 ct [-4.8e8/2e10] WPRO raw flux, band-2 (W2, 4.6um); in dn units (w2flux_pm) (phot.mag;em.IR.4-8um)
w2sigflux_pm 2e+01 ct [1e-4/3.2e13] Fit WPRO raw flux uncertainty; band-2 (w2sigflux_pm) (stat.error)
w1mpro_pm16.711 mag (i) [-10/27] WPRO magnitude in band-1 (W1: 3.35um) (w1mpro_pm) (Note 4)   (phot.mag;em.IR.3-4um)
w1sigmpro_pm 0.029 mag [0/0.6] W1mproPM uncertainty (w1sigmpro_pm) (stat.error)
w1rchi2_pm 1.491e+00   [8.3e-7/6.4e21] WPRO reduced chi2; band-1 (w1rchi2_pm) (stat.fit.chi2)
w2mpro_pm16.630 mag (i) [-10/25.5] WPRO magnitude in band-2 (W2: 4.6um) (w2mpro_pm) (Note 4)   (phot.mag;em.IR.4-8um)
w2sigmpro_pm 0.073 mag [0/0.6] W2mproPM uncertainty (w2sigmpro_pm) (stat.error)
w2rchi2_pm 7.870e-01   [2.6e-6/375600] WPRO reduced chi2; band-2 (w2rchi2_pm) (stat.fit.chi2)
rchi2_pm 1.130e+00   [8.3e-7/92260] Reduced chi squared; total (rchi2_pm) (stat.fit.chi2)
pmcode3N000  Quality of the PM solution (pmcode) (Note 5)   (meta.code.qual)
dist 0.852 arcsec (i) [0/20] Radial distance between apparitions (dist) (phys.angSize)
dw1mag 0.004 mag [-9.2/9.3] W1mpro difference (dw1mag) (phot.mag;arith.diff)
rch2w1 0.005   [0/100] Chi-square for dw1mag (1 DF) (rch2w1) (meta.note)
dw2mag-0.042 mag [-9.4/10.2] W2mpro difference (dw2mag) (phot.mag;arith.diff)
rch2w2 0.085   [0/100] Chi-square for dw2mag (1 DF) (rch2w2) (meta.note)
elon_avg309.089752 deg Averaged ecliptic longitude (elon_avg) (pos.ecliptic.lon)
elonSig 0.085 arcsec [0.001/1.6] One-sigma uncertainty in elon (elonSig) (stat.error)
elat_avg-71.120483 deg Averaged ecliptic latitude (elat_avg) (pos.ecliptic.lat)
elatSig 0.089 arcsec [0.001/1.7] One-sigma uncertainty in elat (elatSig) (stat.error)
Delon 0.346 arcsec Descending-ascending ecliptic longitude (Delon) (Note 6)   (pos;arith.diff)
DelonSig 0.170 arcsec [0.001/101.5] One-sigma uncertainty in Delon (DelonSig) (stat.error)
Delat -0.757 arcsec Descending-ascending ecliptic latitude (Delat) (pos;arith.diff)
DelatSig 0.178 arcsec [0.001/105.8] One-sigma uncertainty in Delat (DelatSig) (stat.error)
DelonSNR 2.038   [0/1065] |Delon|/DelonSig (DelonSNR) (stat.snr)
DelatSNR 4.249   [0/475] |Delat|/DelatSig (DelatSNR) (stat.snr)
chi2pmra 7.72e-01   [0/7.3e7] Chi-square for PMRA difference (1 DF) (chi2pmra) (meta.note)
chi2pmdec 1.06e+00   [0/2.2e8] Chi-square for PMRA difference (1 DF) (chi2pmdec) (meta.note)
ka3   [0123n] Astrometry usage code (Note 7)   (meta.code)
k13   [0123n] W1 photometry usage code (Note 7)   (meta.code)
k23   [0123n] W2 photometry usage code (Note 7)   (meta.code)
km3   [0123n] Proper motion usage code (Note 7)   (meta.code)
par_pm 0.175 arcsec [-831/569] Parallax from PM desc-asce elon (par_pm) (pos.parallax.trig)
par_pmSig 0.084 arcsec [0.001/53] One-sigma uncertainty in par_pm (par_pmSig) (stat.error)
par_stat 0.173 arcsec [-831/504] Parallax estimate from stationary solution (par_stat) (pos.parallax.trig)
par_sigma 0.085 arcsec [0.001/189] One-sigma uncertainty in par_stat (par_sigma) (stat.error)
dist_x 1.099 arcsec [0/2.75] Distance between CatWISE and AllWISE source (dist_x) (pos.angDistance)
cc_flags0000   [0DHOPdhop] Worst case 4 character cc_flag from AllWISE (cc_flags) (Note 8)   (meta.code)
ab_flags00   [0DHOP] Two character (W1 W2) artifact flag (ab_flags) (Note 8)   (meta.code)

WISEAWISEA  Display the allWISE data (II/328) within 3" (meta.ref.url)
  
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