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II/365/catwise The CatWISE2020 catalog (Eisenhardt+, 2020)
The CatWISE2020 catalog (original column names in green) (1890715640 rows)
  -c=282.7165741 +64.5128430, eq=ICRS, rs=2
Post annotation about this record
ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (282.7165741+64.5128430)[ICRS] (pos.angDistance)
_RAJ200018 50 51.977784 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+64 30 46.23480 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195018 50 34.688046 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+64 27 06.26594 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon094.742815745 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+24.365969170 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_id2831p651_b0-084581  (i) Tile name + processing code + wphot index (source_id) (meta.id)
ra282.7165741 deg (i) Right ascension (ICRS) (ra) (pos.eq.ra;meta.main)
sigra 0.2290 arcsec [0/74.3] Uncertainty in ra (sigra) (stat.error;pos.eq.ra)
dec+64.5128430 deg (i) Declination (ICRS) (dec) (pos.eq.dec;meta.main)
sigdec 0.2047 arcsec [0/83.3] Uncertainty in dec (sigdec) (stat.error;pos.eq.dec)
source_nameJ185051.97+643046.2  Source name (JHHMMSS.ss+DDMMSS.s; <CWISE JHHMMSS.ss+DDMMSS.s> in Simbad) (source_name) (meta.id;meta.main)
sigradec -0.0447 arcsec [-25.7/44.2] Uncertainty cross-term (sigradec) (stat.error)
wx1245.168 pix X-pixel coordinate in the unWISE full depth coadd (wx) (pos.cartesian.x)
wy 228.873 pix Y-pixel coordinate in the unWISE full depth coadd (wy) (pos.cartesian.y)
w1sky 1.64 ct [-98.2/4997] Frame sky background value, band-1; in dn units (w1sky) (Note 1)   (instr.background)
w1sigsk 4.5 ct [0.4/999] Frame sky background value uncertainty; band-1 (w1sigsk) (Note 1)   (stat.error)
w1conf 0.07 ct [0/999] Frame sky confusion based on the UNC images; in dn units (w1conf) (Note 1)   (instr.skyLevel)
w2sky 5.14 ct [-99/5000] Frame sky background value, band-2; in dn (w2sky) (Note 1)   (instr.background)
w2sigsk 14.4 ct [0.7/999] Frame sky background value uncertainty; band-2 (w2sigsk) (Note 1)   (stat.error)
w2conf 0.09 ct [0/999] Frame sky confusion based on the UNC images; in dn units (w2conf) (Note 1)   (instr.skyLevel)
MeanObsMJD57207.958116 MJD (i) [55205/58465] Mean observation epoch (MeanObsMJD) (time.epoch)
ra_pm282.7166014 deg Right ascension (ICRS) at Ep=2015.4 (ra_pm) (Note 2)   (pos.eq.ra)
sigra_pm 0.2140 arcsec [1e-4/99.94] Uncertainty in ra_pm (sigra_pm) (stat.error)
dec_pm 64.5128257 deg Declination (ICRS) at Ep=2015.4 (dec_pm) (Note 2)   (pos.eq.dec)
sigdec_pm 0.1925 arcsec [0/99.8] Uncertainty in dec_pm (sigdec_pm) (stat.error)
sigradec_pm -0.0412 arcsec [-99.2/99.9] Uncertainty cross-term (sigradec_pm) (stat.error)
PMRA 0.05183 arcsec/yr [-100/100] Motion in ra (PMRA) (Note 2)   (pos.pm;pos.eq.ra)
sigPMRA 0.0790 arcsec/yr [7e-4/1000] Uncertainty in PMRA (sigPMRA) (Note 2)   (stat.error;pos.pm;pos.eq.ra)
PMDec 0.03842 arcsec/yr [-100/100] Proper motion in dec (PMDec) (Note 2)   (pos.pm;pos.eq.dec)
sigPMDec 0.0690 arcsec/yr [7e-4/1000] Uncertainty in PMDec (sigPMDec) (Note 2)   (stat.error;pos.pm;pos.eq.dec)
w1snr_pm 17.5   [0/1000] Flux S/N ratio; band-1 (w1snr_pm) (stat.snr)
w2snr_pm 3.6   [0/1000] Flux S/N ratio; band-2 (w2snr_pm) (stat.snr)
w1flux_pm 5.9e+01 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 3e+00 ct [3.7e-4/3.5e12] WPRO raw flux uncertainty; band-1 (w1sigflux_pm) (stat.error)
w2flux_pm 4.6e+01 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 1e+01 ct [1e-4/3.2e13] Fit WPRO raw flux uncertainty; band-2 (w2sigflux_pm) (stat.error)
w1mpro_pm18.075 mag (i) [-10/27] WPRO magnitude in band-1 (W1: 3.35um) (w1mpro_pm) (Note 3)   (phot.mag;em.IR.3-4um)
w1sigmpro_pm 0.062 mag [0/0.6] W1mproPM uncertainty (w1sigmpro_pm) (stat.error)
w1rchi2_pm 1.466e+00   [8.3e-7/6.4e21] WPRO reduced chi2; band-1 (w1rchi2_pm) (stat.fit.chi2)
w2mpro_pm18.345 mag (i) [-10/25.5] WPRO magnitude in band-2 (W2: 4.6um) (w2mpro_pm) (Note 3)   (phot.mag;em.IR.4-8um)
w2sigmpro_pm 0.302 mag [0/0.6] W2mproPM uncertainty (w2sigmpro_pm) (stat.error)
w2rchi2_pm 8.332e-01   [2.6e-6/375600] WPRO reduced chi2; band-2 (w2rchi2_pm) (stat.fit.chi2)
rchi2_pm 1.145e+00   [8.3e-7/92260] Reduced chi squared; total (rchi2_pm) (stat.fit.chi2)
pmcode1N000  Quality of the PM solution (pmcode) (Note 4)   (meta.code.qual)
dist 0.815 arcsec (i) [0/20] Radial distance between apparitions (dist) (phys.angSize)
dw1mag 0.065 mag [-9.2/9.3] W1mpro difference (dw1mag) (phot.mag;arith.diff)
rch2w1 0.234   [0/100] Chi-square for dw1mag (1 DF) (rch2w1) (meta.note)
dw2mag-0.051 mag [-9.4/10.2] W2mpro difference (dw2mag) (phot.mag;arith.diff)
rch2w2 0.164   [0/100] Chi-square for dw2mag (1 DF) (rch2w2) (meta.note)
elon_avg344.622891 deg Averaged ecliptic longitude (elon_avg) (pos.ecliptic.lon)
elonSig 0.206 arcsec [0.001/1.6] One-sigma uncertainty in elon (elonSig) (stat.error)
elat_avg 84.362162 deg Averaged ecliptic latitude (elat_avg) (pos.ecliptic.lat)
elatSig 0.228 arcsec [0.001/1.7] One-sigma uncertainty in elat (elatSig) (stat.error)
Delon -0.467 arcsec Descending-ascending ecliptic longitude (Delon) (Note 5)   (pos;arith.diff)
DelonSig 0.413 arcsec [0.001/101.5] One-sigma uncertainty in Delon (DelonSig) (stat.error)
Delat 0.698 arcsec Descending-ascending ecliptic latitude (Delat) (pos;arith.diff)
DelatSig 0.458 arcsec [0.001/105.8] One-sigma uncertainty in Delat (DelatSig) (stat.error)
DelonSNR 1.130   [0/1065] |Delon|/DelonSig (DelonSNR) (stat.snr)
DelatSNR 1.524   [0/475] |Delat|/DelatSig (DelatSNR) (stat.snr)
chi2pmra 3.58e+00   [0/7.3e7] Chi-square for PMRA difference (1 DF) (chi2pmra) (meta.note)
chi2pmdec 7.43e+00   [0/2.2e8] Chi-square for PMRA difference (1 DF) (chi2pmdec) (meta.note)
ka3   [0123n] Astrometry usage code (Note 6)   (meta.code)
k13   [0123n] W1 photometry usage code (Note 6)   (meta.code)
k23   [0123n] W2 photometry usage code (Note 6)   (meta.code)
km3   [0123n] Proper motion usage code (Note 6)   (meta.code)
par_pm -0.200 arcsec [-831/569] Parallax from PM desc-asce elon (par_pm) (pos.parallax.trig)
par_pmSig 0.194 arcsec [0.001/53] One-sigma uncertainty in par_pm (par_pmSig) (stat.error)
par_stat -0.246 arcsec [-831/504] Parallax estimate from stationary solution (par_stat) (pos.parallax.trig)
par_sigma 0.201 arcsec [0.001/189] One-sigma uncertainty in par_stat (par_sigma) (stat.error)
dist_x 0.990 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 7)   (meta.code)
ab_flags00   [0DHOP] Two character (W1 W2) artifact flag (ab_flags) (Note 7)   (meta.code)

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