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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=154.7427058 -10.0228587, eq=ICRS, rs=2
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ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (154.7427058-10.0228587)[ICRS] (pos.angDistance)
_RAJ200010 18 58.249392 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-10 01 22.29132 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195010 16 29.526382 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-09 46 18.35894 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon252.827961449 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+37.600773883 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_id1553m107_b0-030242  (i) Tile name + processing code + wphot index (source_id) (meta.id)
RA_ICRS154.7427058 deg (i) Right ascension (ICRS) (1) (offset corrections applied by CDS, see Note (1)) (Note)   (pos.eq.ra;meta.main)
sigra 0.1583 arcsec [0/74.3] Uncertainty in ra (sigra) (stat.error;pos.eq.ra)
DE_ICRS-10.0228587 deg (i) Declination (ICRS) (1) (offset corrections applied by CDS, see Note (1)) (Note)   (pos.eq.dec;meta.main)
sigdec 0.1739 arcsec [0/83.3] Uncertainty in dec (sigdec) (stat.error;pos.eq.dec)
source_nameJ101858.25-100122.2  Source name (JHHMMSS.ss+DDMMSS.s; <CWISE JHHMMSS.ss+DDMMSS.s> in Simbad) (source_name) (meta.id;meta.main)
sigradec -0.0321 arcsec [-25.7/44.2] Uncertainty cross-term (sigradec) (stat.error)
wx1851.868 pix X-pixel coordinate in the unWISE full depth coadd (wx) (pos.cartesian.x)
wy1780.717 pix Y-pixel coordinate in the unWISE full depth coadd (wy) (pos.cartesian.y)
w1sky -1.44 ct [-98.2/4997] Frame sky background value, band-1; in dn units (w1sky) (Note 2)   (instr.background)
w1sigsk 5.0 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 0.68 ct [-99/5000] Frame sky background value, band-2; in dn (w2sky) (Note 2)   (instr.background)
w2sigsk 19.5 ct [0.7/999] Frame sky background value uncertainty; band-2 (w2sigsk) (Note 2)   (stat.error)
w2conf 0.91 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 2   [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)
MeanObsMJD57153.260632 MJD (i) [55205/58465] Mean observation epoch (MeanObsMJD) (time.epoch)
ra_pm154.7427178 deg Right ascension (ICRS) at Ep=2015.4 (ra_pm) (Note 3)   (pos.eq.ra)
sigra_pm 0.1613 arcsec [1e-4/99.94] Uncertainty in ra_pm (sigra_pm) (stat.error)
dec_pm-10.0228373 deg Declination (ICRS) at Ep=2015.4 (dec_pm) (Note 3)   (pos.eq.dec)
sigdec_pm 0.1768 arcsec [0/99.8] Uncertainty in dec_pm (sigdec_pm) (stat.error)
sigradec_pm 0.0225 arcsec [-99.2/99.9] Uncertainty cross-term (sigradec_pm) (stat.error)
PMRA 0.16440 arcsec/yr [-100/100] Motion in ra (PMRA) (1) (offset corrections applied by CDS, see Note (1)) (Note)   (pos.pm;pos.eq.ra)
sigPMRA 0.0611 arcsec/yr [7e-4/1000] Uncertainty in PMRA (sigPMRA) (stat.error;pos.pm;pos.eq.ra)
PMDec 0.19413 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 0.0673 arcsec/yr [7e-4/1000] Uncertainty in PMDec (sigPMDec) (stat.error;pos.pm;pos.eq.dec)
w1snr_pm 20.9   [0/1000] Flux S/N ratio; band-1 (w1snr_pm) (stat.snr)
w2snr_pm 5.3   [0/1000] Flux S/N ratio; band-2 (w2snr_pm) (stat.snr)
w1flux_pm 1.6e+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 8e+00 ct [3.7e-4/3.5e12] WPRO raw flux uncertainty; band-1 (w1sigflux_pm) (stat.error)
w2flux_pm 1.4e+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 3e+01 ct [1e-4/3.2e13] Fit WPRO raw flux uncertainty; band-2 (w2sigflux_pm) (stat.error)
w1mpro_pm16.955 mag (i) [-10/27] WPRO magnitude in band-1 (W1: 3.35um) (w1mpro_pm) (Note 4)   (phot.mag;em.IR.3-4um)
w1sigmpro_pm 0.052 mag [0/0.6] W1mproPM uncertainty (w1sigmpro_pm) (stat.error)
w1rchi2_pm 1.075e+00   [8.3e-7/6.4e21] WPRO reduced chi2; band-1 (w1rchi2_pm) (stat.fit.chi2)
w2mpro_pm17.116 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 0.205 mag [0/0.6] W2mproPM uncertainty (w2sigmpro_pm) (stat.error)
w2rchi2_pm 9.609e-01   [2.6e-6/375600] WPRO reduced chi2; band-2 (w2rchi2_pm) (stat.fit.chi2)
rchi2_pm 1.011e+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 0.339 arcsec (i) [0/20] Radial distance between apparitions (dist) (phys.angSize)
dw1mag-0.083 mag [-9.2/9.3] W1mpro difference (dw1mag) (phot.mag;arith.diff)
rch2w1 0.621   [0/100] Chi-square for dw1mag (1 DF) (rch2w1) (meta.note)
dw2mag 0.271 mag [-9.4/10.2] W2mpro difference (dw2mag) (phot.mag;arith.diff)
rch2w2 1.041   [0/100] Chi-square for dw2mag (1 DF) (rch2w2) (meta.note)
elon_avg160.448948 deg Averaged ecliptic longitude (elon_avg) (pos.ecliptic.lon)
elonSig 0.163 arcsec [0.001/1.6] One-sigma uncertainty in elon (elonSig) (stat.error)
elat_avg-19.075520 deg Averaged ecliptic latitude (elat_avg) (pos.ecliptic.lat)
elatSig 0.170 arcsec [0.001/1.7] One-sigma uncertainty in elat (elatSig) (stat.error)
Delon -0.368 arcsec Descending-ascending ecliptic longitude (Delon) (Note 6)   (pos;arith.diff)
DelonSig 0.329 arcsec [0.001/101.5] One-sigma uncertainty in Delon (DelonSig) (stat.error)
Delat 0.105 arcsec Descending-ascending ecliptic latitude (Delat) (pos;arith.diff)
DelatSig 0.339 arcsec [0.001/105.8] One-sigma uncertainty in Delat (DelatSig) (stat.error)
DelonSNR 1.118   [0/1065] |Delon|/DelonSig (DelonSNR) (stat.snr)
DelatSNR 0.311   [0/475] |Delat|/DelatSig (DelatSNR) (stat.snr)
chi2pmra 1.35e+00   [0/7.3e7] Chi-square for PMRA difference (1 DF) (chi2pmra) (meta.note)
chi2pmdec 7.62e+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 -0.172 arcsec [-831/569] Parallax from PM desc-asce elon (par_pm) (pos.parallax.trig)
par_pmSig 0.165 arcsec [0.001/53] One-sigma uncertainty in par_pm (par_pmSig) (stat.error)
par_stat -0.159 arcsec [-831/504] Parallax estimate from stationary solution (par_stat) (pos.parallax.trig)
par_sigma 0.166 arcsec [0.001/189] One-sigma uncertainty in par_stat (par_sigma) (stat.error)
dist_x  arcsec [0/2.75] Distance between CatWISE and AllWISE source (dist_x) (pos.angDistance)
cc_flags    [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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