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VizieR

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J/A+A/543/A106/photom UBVRI photometry in NGC6791 (Brogaard+, 2012)
BVI photometry and photometry corrected empirically for differential reddening (15395 rows)
  recno=6679
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ColumnValue  Explain   (UCD)
_RAJ200019 20 51.6700 "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+37 45 23.300 "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)
_RAB195019 19 06.4083 "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+37 39 40.658 "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)
_Glon069.9426284 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+10.9010821 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)
6679recno 6679  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

ID17719  ID number (meta.id;meta.main)
Xpos -18.419  X-position in reference image (pos.cartesian.x;instr.det)
Ypos -55.509  Y-position in reference image (pos.cartesian.y;instr.det)
Vmag23.466 mag V-magnitude (phot.mag;em.opt.V)
e_Vmag 0.0128 mag 1-σ uncertainty on V-magnitude (stat.error;phot.mag;em.opt.V)
o_Vmag637  Number of individual V-measurements (meta.number)
Bmag24.765 mag B-magnitude (phot.mag;em.opt.B)
e_Bmag 0.0879 mag 1-σ uncertainty on B-magnitude (stat.error;phot.mag;em.opt.B)
o_Bmag39  Number of individual B-measurements (meta.number)
Imag21.012 mag I-magnitude (phot.mag;em.opt.I)
e_Imag 0.0040 mag 1-σ uncertainty on I-magnitude (stat.error;phot.mag;em.opt.I)
o_Imag652  Number of individual I-measurements (meta.number)
chi 1.004  χ quality measure (Note 1)   (meta.code.qual)
sharp 0.206  sharp quality measure (Note 1)   (src.class.starGalaxy)
W/S 0.099  Welch-Stetson (1993AJ....105.1813W) variabillity index (src.var.index)
w_W/S664.0  Weight of W/S variabillity index (stat.weight)
W/Se 1.8199   Evidence for variabillity index log(index*wt) (src.var.index)
Bmagc 24.7511 mag Corrected B-magnitude (phot.mag;em.opt.B)
Vmagc23.4553 mag Corrected V-magnitude (phot.mag;em.opt.V)
Imagc21.0057 mag Corrected I-magnitude (phot.mag;em.opt.I)
difred 0.0032 mag [-0.03/0.041] Relative reddening correction ΔE(B-V) (phot.mag;arith.diff)
RAJ200019 20 51.67 "h:m:s" (i) Right ascension (J2000.0) (pos.eq.ra;meta.main)
DEJ2000+37 45 23.3 "d:m:s" (i) Declination (J2000.0) (pos.eq.dec;meta.main)
  
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