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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=133.9208431 -55.6685625, eq=ICRS, rs=2
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ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (133.9208431-55.6685625)[ICRS] (pos.angDistance)
_RAJ200008 55 41.002344 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-55 40 06.82500 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195008 54 17.675357 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-55 28 33.80578 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon273.821962892 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-06.751894325 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_id1333m561_b0-044207  (i) Tile name + processing code + wphot index (source_id) (meta.id)
RA_ICRS133.9208431 deg (i) Right ascension (ICRS) (1) (offset corrections applied by CDS, see Note (1)) (Note)   (pos.eq.ra;meta.main)
sigra 0.0578 arcsec [0/74.3] Uncertainty in ra (sigra) (stat.error;pos.eq.ra)
DE_ICRS-55.6685625 deg (i) Declination (ICRS) (1) (offset corrections applied by CDS, see Note (1)) (Note)   (pos.eq.dec;meta.main)
sigdec 0.0644 arcsec [0/83.3] Uncertainty in dec (sigdec) (stat.error;pos.eq.dec)
source_nameJ085541.00-554006.8  Source name (JHHMMSS.ss+DDMMSS.s; <CWISE JHHMMSS.ss+DDMMSS.s> in Simbad) (source_name) (meta.id;meta.main)
sigradec 0.0176 arcsec [-25.7/44.2] Uncertainty cross-term (sigradec) (stat.error)
wx 589.452 pix X-pixel coordinate in the unWISE full depth coadd (wx) (pos.cartesian.x)
wy1501.616 pix Y-pixel coordinate in the unWISE full depth coadd (wy) (pos.cartesian.y)
w1sky 3.17 ct [-98.2/4997] Frame sky background value, band-1; in dn units (w1sky) (Note 2)   (instr.background)
w1sigsk 9.2 ct [0.4/999] Frame sky background value uncertainty; band-1 (w1sigsk) (Note 2)   (stat.error)
w1conf 0.63 ct [0/999] Frame sky confusion based on the UNC images; in dn units (w1conf) (Note 2)   (instr.skyLevel)
w2sky 21.32 ct [-99/5000] Frame sky background value, band-2; in dn (w2sky) (Note 2)   (instr.background)
w2sigsk 17.4 ct [0.7/999] Frame sky background value uncertainty; band-2 (w2sigsk) (Note 2)   (stat.error)
w2conf 1.39 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 12   [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)
MeanObsMJD57091.137315 MJD (i) [55205/58465] Mean observation epoch (MeanObsMJD) (time.epoch)
ra_pm133.9208569 deg Right ascension (ICRS) at Ep=2015.4 (ra_pm) (Note 3)   (pos.eq.ra)
sigra_pm 0.0554 arcsec [1e-4/99.94] Uncertainty in ra_pm (sigra_pm) (stat.error)
dec_pm-55.6685689 deg Declination (ICRS) at Ep=2015.4 (dec_pm) (Note 3)   (pos.eq.dec)
sigdec_pm 0.0621 arcsec [0/99.8] Uncertainty in dec_pm (sigdec_pm) (stat.error)
sigradec_pm 0.0175 arcsec [-99.2/99.9] Uncertainty cross-term (sigradec_pm) (stat.error)
PMRA 0.01708 arcsec/yr [-100/100] Motion in ra (PMRA) (1) (offset corrections applied by CDS, see Note (1)) (Note)   (pos.pm;pos.eq.ra)
sigPMRA 0.0187 arcsec/yr [7e-4/1000] Uncertainty in PMRA (sigPMRA) (stat.error;pos.pm;pos.eq.ra)
PMDec 0.05626 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 0.0199 arcsec/yr [7e-4/1000] Uncertainty in PMDec (sigPMDec) (stat.error;pos.pm;pos.eq.dec)
w1snr_pm 48.8   [0/1000] Flux S/N ratio; band-1 (w1snr_pm) (stat.snr)
w2snr_pm 29.0   [0/1000] Flux S/N ratio; band-2 (w2snr_pm) (stat.snr)
w1flux_pm 6.8e+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 1e+01 ct [3.7e-4/3.5e12] WPRO raw flux uncertainty; band-1 (w1sigflux_pm) (stat.error)
w2flux_pm 6.6e+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_pm15.420 mag (i) [-10/27] WPRO magnitude in band-1 (W1: 3.35um) (w1mpro_pm) (Note 4)   (phot.mag;em.IR.3-4um)
w1sigmpro_pm 0.022 mag [0/0.6] W1mproPM uncertainty (w1sigmpro_pm) (stat.error)
w1rchi2_pm 2.658e+00   [8.3e-7/6.4e21] WPRO reduced chi2; band-1 (w1rchi2_pm) (stat.fit.chi2)
w2mpro_pm15.447 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 0.037 mag [0/0.6] W2mproPM uncertainty (w2sigmpro_pm) (stat.error)
w2rchi2_pm 7.075e-01   [2.6e-6/375600] WPRO reduced chi2; band-2 (w2rchi2_pm) (stat.fit.chi2)
rchi2_pm 1.671e+00   [8.3e-7/92260] Reduced chi squared; total (rchi2_pm) (stat.fit.chi2)
pmcode2N000  Quality of the PM solution (pmcode) (Note 5)   (meta.code.qual)
dist 0.219 arcsec (i) [0/20] Radial distance between apparitions (dist) (phys.angSize)
dw1mag 0.163 mag [-9.2/9.3] W1mpro difference (dw1mag) (phot.mag;arith.diff)
rch2w111.403   [0/100] Chi-square for dw1mag (1 DF) (rch2w1) (meta.note)
dw2mag 0.294 mag [-9.4/10.2] W2mpro difference (dw2mag) (phot.mag;arith.diff)
rch2w214.576   [0/100] Chi-square for dw2mag (1 DF) (rch2w2) (meta.note)
elon_avg173.549304 deg Averaged ecliptic longitude (elon_avg) (pos.ecliptic.lon)
elonSig 0.059 arcsec [0.001/1.6] One-sigma uncertainty in elon (elonSig) (stat.error)
elat_avg-66.814793 deg Averaged ecliptic latitude (elat_avg) (pos.ecliptic.lat)
elatSig 0.064 arcsec [0.001/1.7] One-sigma uncertainty in elat (elatSig) (stat.error)
Delon -0.078 arcsec Descending-ascending ecliptic longitude (Delon) (Note 6)   (pos;arith.diff)
DelonSig 0.118 arcsec [0.001/101.5] One-sigma uncertainty in Delon (DelonSig) (stat.error)
Delat -0.217 arcsec Descending-ascending ecliptic latitude (Delat) (pos;arith.diff)
DelatSig 0.129 arcsec [0.001/105.8] One-sigma uncertainty in Delat (DelatSig) (stat.error)
DelonSNR 0.660   [0/1065] |Delon|/DelonSig (DelonSNR) (stat.snr)
DelatSNR 1.684   [0/475] |Delat|/DelatSig (DelatSNR) (stat.snr)
chi2pmra 6.25e+00   [0/7.3e7] Chi-square for PMRA difference (1 DF) (chi2pmra) (meta.note)
chi2pmdec 2.05e-01   [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 -0.050 arcsec [-831/569] Parallax from PM desc-asce elon (par_pm) (pos.parallax.trig)
par_pmSig 0.056 arcsec [0.001/53] One-sigma uncertainty in par_pm (par_pmSig) (stat.error)
par_stat -0.045 arcsec [-831/504] Parallax estimate from stationary solution (par_stat) (pos.parallax.trig)
par_sigma 0.058 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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