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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===J202010.24+164315.9
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ColumnValue  Explain   (UCD)
_RAJ200020 20 10.243032 "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 15.93624 "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 52.859155 "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 44.69835 "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)
_Glon058.324020501 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-10.989614025 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)

AllWISEJ202010.24+164315.9  (i) WISE All-Sky Release Catalog name, based on J2000 position, <WISEA JHHMMSS.ss+DDMMSS.s> (designation) (meta.id;meta.main)
RAJ2000305.0426793 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+16.7210934 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
eeMaj 0.0389 arcsec Semi-major axis of the error ellipse (Note 1)   (stat.error)
eeMin 0.0377 arcsec Semi-minor axis of the error ellipse (Note 1)   (stat.error)
eePA159.4 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)

W1mag16.159 mag W1 magnitude (3.35um) Red values correspond to upper limits (S/N<2) (phot.mag;em.IR.3-4um)
e_W1mag 0.058 mag Mean error on W1 magnitude (stat.error;phot.mag)
W2mag16.880 mag W2 magnitude (4.6um) Red values correspond to upper limits (S/N<2) (phot.mag;em.IR.4-8um)
e_W2mag 0.322 mag Mean error on W2 magnitude (stat.error;phot.mag)
W3mag10.505 mag W3 magnitude (11.6um) Red values correspond to upper limits (S/N<2) (phot.flux.density;em.IR.8-15um)
e_W3mag 0.087 mag Mean error on W3 magnitude (stat.error;phot.mag)
W4mag 8.974 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)
Jmag16.600 mag (i) 2MASS J magnitude (1.25um) Red values correspond to upper limits (S/N<2) (phot.mag;em.IR.J)
e_Jmag 0.119 mag Mean error on J magnitude (stat.error;phot.mag)
Hmag15.628 mag (i) 2MASS H magnitude (1.65um) Red values correspond to upper limits (S/N<2) (phot.mag;em.IR.H)
e_Hmag 0.131 mag Mean error on H magnitude (stat.error;phot.mag)
Kmag15.869 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)
wx1889.577 pix x-pixel coordinate on the Atlas Image (pos.cartesian.x;instr.det)
wy2210.887 pix y-pixel coordinate on the Atlas Image (pos.cartesian.y;instr.det)
ID3049116601351034576  Unique source ID (meta.id.part;meta.main)
snr1 18.7   Signal to noise ratio for W1 filter (stat.snr)
chi2W1 1.58e+00   Reduced χ2 of the W1 profile fit (stat.fit.chi2)
snr2 3.4   Signal to noise ratio for W2 filter (stat.snr)
chi2W2 1.01e+00   Reduced χ2 of the W2 profile fit (stat.fit.chi2)
snr3 12.5   Signal to noise ratio for W3 filter (stat.snr)
chi2W3 2.45e+00   Reduced χ2 of the W3 profile fit (stat.fit.chi2)
snr4 -182.7   Signal to noise ratio for W4 filter (stat.snr)
chi2W4 3.46e+03   Reduced χ2 of the W4 profile fit (stat.fit.chi2)
chi2 5.12e+02  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)
ccf0HDD   [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)
var0nnn  Variability flag, one per band (var_flg) (Note 4)   (meta.code;src.var)
nW1 22   Frame detection count in W1 (w1nm) (Note 5)   (meta.number)
mW1 28   Integer frame coverage in W1 (w1m) (Note 6)   (meta.number)
nW2 0   Frame detection count in W2 (w2nm) (Note 5)   (meta.number)
mW2 28   Integer frame coverage in W2 (w2m) (Note 6)   (meta.number)
nW3 10   Frame detection count in W3 (w3nm) (Note 5)   (meta.number)
mW3 12   Integer frame coverage in W3 (w3m) (Note 6)   (meta.number)
nW4 9   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_pm305.0426969 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 0.1038 arcsec Error on RA_pm (stat.error;pos.eq.ra)
DE_pm+16.7210537 deg Declination at epoch MJD=55400.0 (2010.5589) from the profile-fitting measurement model that includes motion. (pos.eq.dec)
e_DE_pm 0.1083 arcsec Error on DE_pm (stat.error;pos.eq.dec)
cosig_pm -0.0056 arcsec co-sigma of the equatorial position uncertainties (pos.posAng)
pmRA 303 mas/yr Apparent motion in RA (Note 9)   (pos.pm)
e_pmRA 467 mas/yr Mean error on pmRA (Note 9)   (stat.error;pos.pm;pos.eq.ra)
pmDE -681 mas/yr Apparent motion in DE (Note 9)   (pos.pm)
e_pmDE 488 mas/yr Mean error on pmDE (Note 9)   (stat.error;pos.pm;pos.eq.dec)
chi2W1_pm 1.57e+00   Reduced χ2 of the W1 profile fit including motion estimation (stat.fit.chi2)
chi2W2_pm 1.01e+00   Reduced χ2 of the W2 profile fit including motion estimation (stat.fit.chi2)
chi2W3_pm 2.45e+00   Reduced χ2 of the W3 profile fit including motion estimation (stat.fit.chi2)
chi2W4_pm 3.46e+03   Reduced χ2 of the W4 profile fit including motion estimation (stat.fit.chi2)
chi2pm 5.12e+02   Combined reduced χ2 profile fit including motion estimation (stat.fit.chi2)
qpm1N000   Motion estimation quality (pmcode) (Note 7)   (meta.code.qual)
qphABAU   [ABCUXZ] Photometric quality flag (Note 8)   (meta.code.qual;phot)
fdet 7   [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 29.314   Mean pixel coverage in W1 (src.sample;stat.mean)
covW2 28.910   Mean pixel coverage in W2 (src.sample;stat.mean)
covW3 12.950   Mean pixel coverage in W3 (src.sample;stat.mean)
covW4 12.850   Mean pixel coverage in W4 (src.sample;stat.mean)
2Mkey 323348897   2MASS PSC association (not identification) (meta.id.assoc)
d2M 0.543 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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