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VizieR

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II/328/allwise AllWISE Data Release (Cutri+ 2013)
The AllWISE data Release (updated version, 16-Feb-2021); please acknowledge the usage of the WISE data products (747634026 rows)
  AllWISE===J202154.19-354848.5
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ColumnValue  Explain   (UCD)
_RAJ200020 21 54.199656 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (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.eq.ra)
_DEJ2000-35 48 48.53196 "d:m:s" Declination (FK5, Equinox=J2000.0) (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.eq.dec)
_RAB195020 18 40.839816 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (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.eq.ra)
_DEB1950-35 58 24.42355 "d:m:s" Declination (FK4, Equinox=B1950.0) (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.eq.dec)
_Glon006.104536880 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-32.980933405 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)

AllWISEJ202154.19-354848.5  (i) WISE All-Sky Release Catalog name, based on J2000 position, <WISEA JHHMMSS.ss+DDMMSS.s> (designation) (meta.id;meta.main)
RAJ2000305.4758319 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000-35.8134811 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
eeMaj 0.0993 arcsec Semi-major axis of the error ellipse (Note 1)   (stat.error)
eeMin 0.0927 arcsec Semi-minor axis of the error ellipse (Note 1)   (stat.error)
eePA145.2 deg Position angle of the error ellipse (Note 1)   (pos.posAng;pos.errorEllipse)

ImIm  Image of the 4 bands from the IRSA server (IPAC) (meta.ref.url)

W1mag15.001 mag W1 magnitude (3.35um) Red values correspond to upper limits (S/N<2) (phot.mag;em.IR.3-4um)
e_W1mag 0.037 mag Mean error on W1 magnitude (stat.error;phot.mag)
W2mag14.915 mag W2 magnitude (4.6um) Red values correspond to upper limits (S/N<2) (phot.mag;em.IR.4-8um)
e_W2mag 0.089 mag Mean error on W2 magnitude (stat.error;phot.mag)
W3mag12.020 mag W3 magnitude (11.6um) Red values correspond to upper limits (S/N<2) (phot.flux.density;em.IR.8-15um)
e_W3mag  mag Mean error on W3 magnitude (stat.error;phot.mag)
W4mag 8.314 mag W4 magnitude (22.1um) Red values correspond to upper limits (S/N<2) (phot.flux.density;em.IR.15-30um)
e_W4mag  mag Mean error on W4 magnitude (stat.error;phot.mag)
Jmag16.054 mag (i) 2MASS J magnitude (1.25um) Red values correspond to upper limits (S/N<2) (phot.mag;em.IR.J)
e_Jmag 0.095 mag Mean error on J magnitude (stat.error;phot.mag)
Hmag15.562 mag (i) 2MASS H magnitude (1.65um) Red values correspond to upper limits (S/N<2) (phot.mag;em.IR.H)
e_Hmag 0.149 mag Mean error on H magnitude (stat.error;phot.mag)
Kmag15.196 mag (i) 2MASS Ks magnitude (2.17um) Red values correspond to upper limits (S/N<2) (phot.mag;em.IR.K)
e_Kmag 0.178 mag Mean error on Ks magnitude (stat.error;phot.mag)
wx2960.503 pix x-pixel coordinate on the Atlas Image (pos.cartesian.x;instr.det)
wy3441.929 pix y-pixel coordinate on the Atlas Image (pos.cartesian.y;instr.det)
ID3059036401351060670  Unique source ID (meta.id.part;meta.main)
snr1 29.4   Signal to noise ratio for W1 filter (stat.snr)
chi2W1 9.78e-01   Reduced χ2 of the W1 profile fit (stat.fit.chi2)
snr2 12.1   Signal to noise ratio for W2 filter (stat.snr)
chi2W2 9.29e-01   Reduced χ2 of the W2 profile fit (stat.fit.chi2)
snr3 0.6   Signal to noise ratio for W3 filter (stat.snr)
chi2W3 8.42e-01   Reduced χ2 of the W3 profile fit (stat.fit.chi2)
snr4 1.1   Signal to noise ratio for W4 filter (stat.snr)
chi2W4 1.09e+00   Reduced χ2 of the W4 profile fit (stat.fit.chi2)
chi2 9.53e-01  All-band combined reduced χ2 (stat.fit.chi2)
nb1   [1/4] Number of PSF components used simultaneously in the profile-fitting (meta.number)
na0   [0/1] Active deblending flag (1 if a detection was split into multiple sources) (meta.number)
sat1 0.000   Saturated pixel fraction in W1 (w1sat) (instr.saturation)
sat2 0.000   Saturated pixel fraction in W2 (w2sat) (instr.saturation)
sat3 0.000   Saturated pixel fraction in W3 (w3sat) (instr.saturation)
sat4 0.000   Saturated pixel fraction in W4 (w4sat) (instr.saturation)
ccf0000   [0DHOPdhop] Contamination and confusion flag, one per band (cc_flags) (Note 2)   (meta.code)
ex0   [0-5] Extended source flag (ext_flg) (Note 3)   (meta.code)
var01nn  Variability flag, one per band (var_flg) (Note 4)   (meta.code;src.var)
nW1 18   Frame detection count in W1 (w1nm) (Note 5)   (meta.number)
mW1 18   Integer frame coverage in W1 (w1m) (Note 6)   (meta.number)
nW2 10   Frame detection count in W2 (w2nm) (Note 5)   (meta.number)
mW2 18   Integer frame coverage in W2 (w2m) (Note 6)   (meta.number)
nW3 0   Frame detection count in W3 (w3nm) (Note 5)   (meta.number)
mW3 9   Integer frame coverage in W3 (w3m) (Note 6)   (meta.number)
nW4 0   Frame detection count in W4 (w4nm) (Note 5)   (meta.number)
mW4 9   Integer frame coverage in W4 (w4m) (Note 6)   (meta.number)
satnum 0  Minimum sample at which saturation occurs in each band (instr.saturation)
RA_pm305.4758380 deg Right ascension at epoch MJD=55400.0 (2010.5589) from the profile-fitting measurement model that includes motion. (pos.eq.ra)
e_RA_pm 0.1094 arcsec Error on RA_pm (stat.error;pos.eq.ra)
DE_pm-35.8134817 deg Declination at epoch MJD=55400.0 (2010.5589) from the profile-fitting measurement model that includes motion. (pos.eq.dec)
e_DE_pm 0.1103 arcsec Error on DE_pm (stat.error;pos.eq.dec)
cosig_pm -0.0266 arcsec co-sigma of the equatorial position uncertainties (pos.posAng)
pmRA 191 mas/yr Apparent motion in RA (Note 9)   (pos.pm)
e_pmRA 294 mas/yr Mean error on pmRA (Note 9)   (stat.error;pos.pm;pos.eq.ra)
pmDE -28 mas/yr Apparent motion in DE (Note 9)   (pos.pm)
e_pmDE 304 mas/yr Mean error on pmDE (Note 9)   (stat.error;pos.pm;pos.eq.dec)
chi2W1_pm 9.78e-01   Reduced χ2 of the W1 profile fit including motion estimation (stat.fit.chi2)
chi2W2_pm 9.27e-01   Reduced χ2 of the W2 profile fit including motion estimation (stat.fit.chi2)
chi2W3_pm 8.42e-01   Reduced χ2 of the W3 profile fit including motion estimation (stat.fit.chi2)
chi2W4_pm 1.09e+00   Reduced χ2 of the W4 profile fit including motion estimation (stat.fit.chi2)
chi2pm 9.53e-01   Combined reduced χ2 profile fit including motion estimation (stat.fit.chi2)
qpm2N000   Motion estimation quality (pmcode) (Note 7)   (meta.code.qual)
qphAAUU   [ABCUXZ] Photometric quality flag (Note 8)   (meta.code.qual;phot)
fdet 3   [0/15] Bit-encoded integer indicating bands in which a source has a w?snr>2 detection (meta.code)
fmoon1100  Scattered moonlight contamination flag (meta.code)
covW1 18.780   Mean pixel coverage in W1 (src.sample;stat.mean)
covW2 19.054   Mean pixel coverage in W2 (src.sample;stat.mean)
covW3 9.925   Mean pixel coverage in W3 (src.sample;stat.mean)
covW4 9.958   Mean pixel coverage in W4 (src.sample;stat.mean)
2Mkey 511046748   2MASS PSC association (not identification) (meta.id.assoc)
d2M 0.252 arcsec Distance separating the positions of the WISE source and associated 2MASS PSC source (pos;arith.diff)

2M2M  Display the 2MASS data (Cutri et al. 2003, Cat. II/246) (meta.ref.url)
  
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