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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===00403941+4040146
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ColumnValue  Explain   (UCD)
_RAJ200000 40 39.41088 "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+40 40 14.6424 "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)
_RAB195000 37 55.89699 "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+40 23 47.4980 "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)
_Glon120.72494884 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-22.15481133 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)

_MASS00403941+4040146  (i) Source designation (meta.id;meta.main)
RAJ2000010.164212 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+40.670734 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
eeMaj 0.210 arcsec Semi-major axis of the error ellipse (phys.angSize.smajAxis;pos.errorEllipse)
eeMin 0.190 arcsec Semi-minor axis of the error ellipse (phys.angSize.sminAxis;pos.errorEllipse)
eerPA 6.000 deg Position angle of the error ellipse (pos.posAng;pos.errorEllipse)
Jmag17.457 mag (i) 2MASS J magnitude (1.25um) (phot.mag;em.IR.J)
e_Jmag 0.136 mag 1-σ total error on Jmag (stat.error;phot.mag;em.IR.J)
Hmag16.348 mag (i) 2MASS H magnitude (1.65um) (phot.mag;em.IR.H)
e_Hmag  mag 1-σ total error on Hmag (stat.error;phot.mag;em.IR.H)
Kmag15.849 mag (i) 2MASS Ks magnitude (2.17um) (phot.mag;em.IR.K)
e_Kmag  mag 1-σ total error on Ksmag (stat.error;phot.mag;em.IR.K)
QflgBUU   [ABCDEFUXZ] JHK Photometric quality flag (Note 1)   (meta.code.qual)
Rflg266  JHK Read flag (rd_flg) (Note 2)   (meta.code)
Xflg2   [0/2] Extended source contamination flag (Note 3)   (meta.code)
JD2451861.6349 d Julian Date of observation (time.epoch)
gcntr56348982  ID of the record Merged Point Source Information table (meta.id;meta.dataset)
GLON120.724935 deg Galactic longitude (pos.galactic.lon)
GLAT-22.154683 deg Galactic latitude (pos.galactic.lat)
Jsig 0.135 mag 1-σ default error on Jmag (stat.error;phot.mag;em.IR.J)
Hsig  mag 1-σ default error on Hmag (stat.error;phot.mag;em.IR.H)
Ksig  mag 1-σ default error on Ksmag (stat.error;phot.mag;em.IR.K)
Jsnr 7.49   J Band Signal/Noise (stat.snr)
Hsnr    H Band Signal/Noise (stat.snr)
Ksnr    Ks Band Signal/Noise (stat.snr)
Opt    Optical source designation (meta.id;spect.dopplerVeloc.opt;em.opt)
Dopt  arcsec Distance between 2MASS and optical source (pos.angDistance)
PAopt-32768 deg Position Angle between 2MASS and optical source (pos.posAng)
Bmag  mag B magnitude (phot.mag;em.opt.B)
Rmag  mag V or R magnitude (phot.mag;em.opt.R)
Nopt0   [0/6] Number of optical sources within 5arcsec (meta.number)
Bflg200  JHK Blend flag (bl_flg) (Note 4)   (meta.code)
Cflgc00  JHK Contamination and confusion flag (cc_flg) (Note 5)   (meta.code)
Pflg0  Minor Planet flag (mp_flg) (Note 6)   (meta.code)
Ndet160000  Frame detection statistics (Note 7)   (meta.code)
cat0  Catalog flag (1:catalog, 0:arch (meta.code.error;meta.table)
relA   [ABCDEF] Reliability flag (Note 8)   (meta.code.qual)
  
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