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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=026.0543422 -51.0801280, eq=ICRS, rs=2
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ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (026.0543422-51.0801280)[ICRS] (pos.angDistance)
_RAJ200001 44 13.042128 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-51 04 48.46080 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195001 42 15.464339 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-51 19 50.81890 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon283.806637215 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-64.043374372 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_id0262m515_b0-001607  (i) Tile name + processing code + wphot index (source_id) (meta.id)
RA_ICRS026.0543422 deg (i) Right ascension (ICRS) (1) (offset corrections applied by CDS, see Note (1)) (Note)   (pos.eq.ra;meta.main)
sigra 0.0546 arcsec [0/74.3] Uncertainty in ra (sigra) (stat.error;pos.eq.ra)
DE_ICRS-51.0801280 deg (i) Declination (ICRS) (1) (offset corrections applied by CDS, see Note (1)) (Note)   (pos.eq.dec;meta.main)
sigdec 0.0692 arcsec [0/83.3] Uncertainty in dec (sigdec) (stat.error;pos.eq.dec)
source_nameJ014413.04-510448.4  Source name (JHHMMSS.ss+DDMMSS.s; <CWISE JHHMMSS.ss+DDMMSS.s> in Simbad) (source_name) (meta.id;meta.main)
sigradec 0.0099 arcsec [-25.7/44.2] Uncertainty cross-term (sigradec) (stat.error)
wx1165.233 pix X-pixel coordinate in the unWISE full depth coadd (wx) (pos.cartesian.x)
wy1562.380 pix Y-pixel coordinate in the unWISE full depth coadd (wy) (pos.cartesian.y)
w1sky 0.49 ct [-98.2/4997] Frame sky background value, band-1; in dn units (w1sky) (Note 2)   (instr.background)
w1sigsk 4.1 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 0.71 ct [-99/5000] Frame sky background value, band-2; in dn (w2sky) (Note 2)   (instr.background)
w2sigsk 14.0 ct [0.7/999] Frame sky background value uncertainty; band-2 (w2sigsk) (Note 2)   (stat.error)
w2conf 1.16 ct [0/999] Frame sky confusion based on the UNC images; in dn units (w2conf) (Note 2)   (instr.skyLevel)
w1NM 13   [0/221] Number of profile-fit flux measurements for source with SNR≥3, band 1 (w1NM) (meta.number)
w1M 13   [0/221] Number of profile-fit flux measurements for source, band-1 (w1M) (meta.number)
w2NM 13   [0/221] Number of profile-fit flux measurements for source with SNR≥3, band-2 (w2NM) (meta.number)
w2M 13   [0/221] Number of profile-fit flux measurements for source, band-2 (w2M) (meta.number)
MeanObsMJD57221.291697 MJD (i) [55205/58465] Mean observation epoch (MeanObsMJD) (time.epoch)
ra_pm 26.0543313 deg Right ascension (ICRS) at Ep=2015.4 (ra_pm) (Note 3)   (pos.eq.ra)
sigra_pm 0.0547 arcsec [1e-4/99.94] Uncertainty in ra_pm (sigra_pm) (stat.error)
dec_pm-51.0801143 deg Declination (ICRS) at Ep=2015.4 (dec_pm) (Note 3)   (pos.eq.dec)
sigdec_pm 0.0697 arcsec [0/99.8] Uncertainty in dec_pm (sigdec_pm) (stat.error)
sigradec_pm 0.0119 arcsec [-99.2/99.9] Uncertainty cross-term (sigradec_pm) (stat.error)
PMRA -0.02497 arcsec/yr [-100/100] Motion in ra (PMRA) (1) (offset corrections applied by CDS, see Note (1)) (Note)   (pos.pm;pos.eq.ra)
sigPMRA 0.0110 arcsec/yr [7e-4/1000] Uncertainty in PMRA (sigPMRA) (stat.error;pos.pm;pos.eq.ra)
PMDec 0.00758 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 0.0105 arcsec/yr [7e-4/1000] Uncertainty in PMDec (sigPMDec) (stat.error;pos.pm;pos.eq.dec)
w1snr_pm 30.0   [0/1000] Flux S/N ratio; band-1 (w1snr_pm) (stat.snr)
w2snr_pm 29.2   [0/1000] Flux S/N ratio; band-2 (w2snr_pm) (stat.snr)
w1flux_pm 1.1e+03 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 4e+01 ct [3.7e-4/3.5e12] WPRO raw flux uncertainty; band-1 (w1sigflux_pm) (stat.error)
w2flux_pm 1.4e+03 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 5e+01 ct [1e-4/3.2e13] Fit WPRO raw flux uncertainty; band-2 (w2sigflux_pm) (stat.error)
w1mpro_pm14.937 mag (i) [-10/27] WPRO magnitude in band-1 (W1: 3.35um) (w1mpro_pm) (Note 4)   (phot.mag;em.IR.3-4um)
w1sigmpro_pm 0.036 mag [0/0.6] W1mproPM uncertainty (w1sigmpro_pm) (stat.error)
w1rchi2_pm 2.876e+00   [8.3e-7/6.4e21] WPRO reduced chi2; band-1 (w1rchi2_pm) (stat.fit.chi2)
w2mpro_pm14.594 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 1.283e+00   [2.6e-6/375600] WPRO reduced chi2; band-2 (w2rchi2_pm) (stat.fit.chi2)
rchi2_pm 2.066e+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 0.243 arcsec (i) [0/20] Radial distance between apparitions (dist) (phys.angSize)
dw1mag 0.018 mag [-9.2/9.3] W1mpro difference (dw1mag) (phot.mag;arith.diff)
rch2w1 0.061   [0/100] Chi-square for dw1mag (1 DF) (rch2w1) (meta.note)
dw2mag 0.210 mag [-9.4/10.2] W2mpro difference (dw2mag) (phot.mag;arith.diff)
rch2w2 7.850   [0/100] Chi-square for dw2mag (1 DF) (rch2w2) (meta.note)
elon_avg354.301840 deg Averaged ecliptic longitude (elon_avg) (pos.ecliptic.lon)
elonSig 0.062 arcsec [0.001/1.6] One-sigma uncertainty in elon (elonSig) (stat.error)
elat_avg-55.445253 deg Averaged ecliptic latitude (elat_avg) (pos.ecliptic.lat)
elatSig 0.063 arcsec [0.001/1.7] One-sigma uncertainty in elat (elatSig) (stat.error)
Delon 0.141 arcsec Descending-ascending ecliptic longitude (Delon) (Note 6)   (pos;arith.diff)
DelonSig 0.124 arcsec [0.001/101.5] One-sigma uncertainty in Delon (DelonSig) (stat.error)
Delat 0.156 arcsec Descending-ascending ecliptic latitude (Delat) (pos;arith.diff)
DelatSig 0.126 arcsec [0.001/105.8] One-sigma uncertainty in Delat (DelatSig) (stat.error)
DelonSNR 1.141   [0/1065] |Delon|/DelonSig (DelonSNR) (stat.snr)
DelatSNR 1.235   [0/475] |Delat|/DelatSig (DelatSNR) (stat.snr)
chi2pmra 2.08e+01   [0/7.3e7] Chi-square for PMRA difference (1 DF) (chi2pmra) (meta.note)
chi2pmdec 3.35e+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 0.078 arcsec [-831/569] Parallax from PM desc-asce elon (par_pm) (pos.parallax.trig)
par_pmSig 0.062 arcsec [0.001/53] One-sigma uncertainty in par_pm (par_pmSig) (stat.error)
par_stat 0.069 arcsec [-831/504] Parallax estimate from stationary solution (par_stat) (pos.parallax.trig)
par_sigma 0.062 arcsec [0.001/189] One-sigma uncertainty in par_stat (par_sigma) (stat.error)
dist_x 1.809 arcsec [0/2.75] Distance between CatWISE and AllWISE source (dist_x) (pos.angDistance)
cc_flags0o00   [0DHOPdhop] Worst case 4 character cc_flag from AllWISE (cc_flags) (Note 8)   (meta.code)
ab_flags0O   [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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