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VizieR

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II/281/2mass6x 2MASS 6X Point Source Working Database / Catalog (Cutri+ 2006)
2MASS-6X catalog (24023702 rows)
  2MASS===10452238+5557376
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ColumnValue  Explain   (UCD)
_RAJ200010 45 22.38264 "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+55 57 37.6308 "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)
_RAB195010 42 16.20701 "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+56 13 24.5588 "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)
_Glon152.30387646 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+53.37427906 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)

_MASS10452238+5557376  (i) Source designation (meta.id;meta.main)
RAJ2000161.343261 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+55.960453 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
eeMaj 0.100 arcsec Semi-major axis of the error ellipse (phys.angSize.smajAxis;pos.errorEllipse)
eeMin 0.090 arcsec Semi-minor axis of the error ellipse (phys.angSize.sminAxis;pos.errorEllipse)
eerPA 90.000 deg Position angle of the error ellipse (pos.posAng;pos.errorEllipse)
Jmag13.930 mag (i) 2MASS J magnitude (1.25um) (phot.mag;em.IR.J)
e_Jmag 0.068 mag 1-σ total error on Jmag (stat.error;phot.mag;em.IR.J)
Hmag13.648 mag (i) 2MASS H magnitude (1.65um) (phot.mag;em.IR.H)
e_Hmag 0.136 mag 1-σ total error on Hmag (stat.error;phot.mag;em.IR.H)
Kmag13.161 mag (i) 2MASS Ks magnitude (2.17um) (phot.mag;em.IR.K)
e_Kmag 0.072 mag 1-σ total error on Ksmag (stat.error;phot.mag;em.IR.K)
QflgEEE   [ABCDEFUXZ] JHK Photometric quality flag (Note 1)   (meta.code.qual)
Rflg222  JHK Read flag (rd_flg) (Note 2)   (meta.code)
Xflg1   [0/2] Extended source contamination flag (Note 3)   (meta.code)
JD2451674.7233 d Julian Date of observation (time.epoch)
gcntr55604269  ID of the record Merged Point Source Information table (meta.id;meta.dataset)
GLON152.304031 deg Galactic longitude (pos.galactic.lon)
GLAT 53.374387 deg Galactic latitude (pos.galactic.lat)
Jsig 0.067 mag 1-σ default error on Jmag (stat.error;phot.mag;em.IR.J)
Hsig 0.136 mag 1-σ default error on Hmag (stat.error;phot.mag;em.IR.H)
Ksig 0.071 mag 1-σ default error on Ksmag (stat.error;phot.mag;em.IR.K)
Jsnr 263.29   J Band Signal/Noise (stat.snr)
Hsnr 131.74   H Band Signal/Noise (stat.snr)
Ksnr 116.69   Ks Band Signal/Noise (stat.snr)
OptU142507546908   Optical source designation (meta.id;spect.dopplerVeloc.opt;em.opt)
Dopt 2.67 arcsec Distance between 2MASS and optical source (pos.angDistance)
PAopt 4 deg Position Angle between 2MASS and optical source (pos.posAng)
Bmag 9.0 mag B magnitude (phot.mag;em.opt.B)
Rmag 8.7 mag V or R magnitude (phot.mag;em.opt.R)
Nopt2   [0/6] Number of optical sources within 5arcsec (meta.number)
Bflg111  JHK Blend flag (bl_flg) (Note 4)   (meta.code)
Cflg000  JHK Contamination and confusion flag (cc_flg) (Note 5)   (meta.code)
Pflg0  Minor Planet flag (mp_flg) (Note 6)   (meta.code)
Ndet666655  Frame detection statistics (Note 7)   (meta.code)
cat1  Catalog flag (1:catalog, 0:arch (meta.code.error;meta.table)
relA   [ABCDEF] Reliability flag (Note 8)   (meta.code.qual)
  
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