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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===J202011.74+164310.8
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ColumnValue  Explain   (UCD)
_RAJ200020 20 11.747136 "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+16 43 10.88112 "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 17 54.360538 "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+16 33 39.55327 "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)
_Glon058.326141946 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-10.995415785 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)

AllWISEJ202011.74+164310.8  (i) WISE All-Sky Release Catalog name, based on J2000 position, <WISEA JHHMMSS.ss+DDMMSS.s> (designation) (meta.id;meta.main)
RAJ2000305.0489464 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+16.7196892 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
eeMaj 0.2621 arcsec Semi-major axis of the error ellipse (Note 1)   (stat.error)
eeMin 0.2420 arcsec Semi-minor axis of the error ellipse (Note 1)   (stat.error)
eePA141.5 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)

W1mag17.341 mag W1 magnitude (3.35um) Red values correspond to upper limits (S/N<2) (phot.mag;em.IR.3-4um)
e_W1mag 0.140 mag Mean error on W1 magnitude (stat.error;phot.mag)
W2mag17.483 mag W2 magnitude (4.6um) Red values correspond to upper limits (S/N<2) (phot.mag;em.IR.4-8um)
e_W2mag  mag Mean error on W2 magnitude (stat.error;phot.mag)
W3mag12.679 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 6.267 mag W4 magnitude (22.1um) Red values correspond to upper limits (S/N<2) (phot.flux.density;em.IR.15-30um)
e_W4mag 0.051 mag Mean error on W4 magnitude (stat.error;phot.mag)
Jmag  mag (i) 2MASS J magnitude (1.25um) Red values correspond to upper limits (S/N<2) (phot.mag;em.IR.J)
e_Jmag  mag Mean error on J magnitude (stat.error;phot.mag)
Hmag  mag (i) 2MASS H magnitude (1.65um) Red values correspond to upper limits (S/N<2) (phot.mag;em.IR.H)
e_Hmag  mag Mean error on H magnitude (stat.error;phot.mag)
Kmag  mag (i) 2MASS Ks magnitude (2.17um) Red values correspond to upper limits (S/N<2) (phot.mag;em.IR.K)
e_Kmag  mag Mean error on Ks magnitude (stat.error;phot.mag)
wx1873.861 pix x-pixel coordinate on the Atlas Image (pos.cartesian.x;instr.det)
wy2207.216 pix y-pixel coordinate on the Atlas Image (pos.cartesian.y;instr.det)
ID3049116601351034364  Unique source ID (meta.id.part;meta.main)
snr1 7.8   Signal to noise ratio for W1 filter (stat.snr)
chi2W1 1.29e+00   Reduced χ2 of the W1 profile fit (stat.fit.chi2)
snr2 -2.6   Signal to noise ratio for W2 filter (stat.snr)
chi2W2 8.10e-01   Reduced χ2 of the W2 profile fit (stat.fit.chi2)
snr3 -1.6   Signal to noise ratio for W3 filter (stat.snr)
chi2W3 1.07e+00   Reduced χ2 of the W3 profile fit (stat.fit.chi2)
snr4 21.3   Signal to noise ratio for W4 filter (stat.snr)
chi2W4 1.74e+02   Reduced χ2 of the W4 profile fit (stat.fit.chi2)
chi2 2.50e+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)
ccf0hHD   [0DHOPdhop] Contamination and confusion flag, one per band (cc_flags) (Note 2)   (meta.code)
ex1   [0-5] Extended source flag (ext_flg) (Note 3)   (meta.code)
varnnnn  Variability flag, one per band (var_flg) (Note 4)   (meta.code;src.var)
nW1 5   Frame detection count in W1 (w1nm) (Note 5)   (meta.number)
mW1 29   Integer frame coverage in W1 (w1m) (Note 6)   (meta.number)
nW2 0   Frame detection count in W2 (w2nm) (Note 5)   (meta.number)
mW2 29   Integer frame coverage in W2 (w2m) (Note 6)   (meta.number)
nW3 0   Frame detection count in W3 (w3nm) (Note 5)   (meta.number)
mW3 13   Integer frame coverage in W3 (w3m) (Note 6)   (meta.number)
nW4 10   Frame detection count in W4 (w4nm) (Note 5)   (meta.number)
mW4 10   Integer frame coverage in W4 (w4m) (Note 6)   (meta.number)
satnum 0  Minimum sample at which saturation occurs in each band (instr.saturation)
RA_pm305.0489654 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 0.2976 arcsec Error on RA_pm (stat.error;pos.eq.ra)
DE_pm+16.7198372 deg Declination at epoch MJD=55400.0 (2010.5589) from the profile-fitting measurement model that includes motion. (pos.eq.dec)
e_DE_pm 0.3046 arcsec Error on DE_pm (stat.error;pos.eq.dec)
cosig_pm -0.1806 arcsec co-sigma of the equatorial position uncertainties (pos.posAng)
pmRA -456 mas/yr Apparent motion in RA (Note 9)   (pos.pm)
e_pmRA 645 mas/yr Mean error on pmRA (Note 9)   (stat.error;pos.pm;pos.eq.ra)
pmDE -3533 mas/yr Apparent motion in DE (Note 9)   (pos.pm)
e_pmDE 663 mas/yr Mean error on pmDE (Note 9)   (stat.error;pos.pm;pos.eq.dec)
chi2W1_pm 1.30e+00   Reduced χ2 of the W1 profile fit including motion estimation (stat.fit.chi2)
chi2W2_pm 8.15e-01   Reduced χ2 of the W2 profile fit including motion estimation (stat.fit.chi2)
chi2W3_pm 1.07e+00   Reduced χ2 of the W3 profile fit including motion estimation (stat.fit.chi2)
chi2W4_pm 1.74e+02   Reduced χ2 of the W4 profile fit including motion estimation (stat.fit.chi2)
chi2pm 2.49e+01   Combined reduced χ2 profile fit including motion estimation (stat.fit.chi2)
qpm3Y001   Motion estimation quality (pmcode) (Note 7)   (meta.code.qual)
qphBUUA   [ABCUXZ] Photometric quality flag (Note 8)   (meta.code.qual;phot)
fdet 9   [0/15] Bit-encoded integer indicating bands in which a source has a w?snr>2 detection (meta.code)
fmoon 11  Scattered moonlight contamination flag (meta.code)
covW1 29.217   Mean pixel coverage in W1 (src.sample;stat.mean)
covW2 29.150   Mean pixel coverage in W2 (src.sample;stat.mean)
covW3 12.865   Mean pixel coverage in W3 (src.sample;stat.mean)
covW4 12.806   Mean pixel coverage in W4 (src.sample;stat.mean)
2Mkey    2MASS PSC association (not identification) (meta.id.assoc)
d2M  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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