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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=6878
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ColumnValue  Explain   (UCD)
_RAJ200019 20 52.3100 "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 32.200 "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 07.0518 "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 49.514 "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)
_Glon069.9458323 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+10.9002704 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)
6878recno 6878  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

ID17990  ID number (meta.id;meta.main)
Xpos -10.853  X-position in reference image (pos.cartesian.x;instr.det)
Ypos -46.625  Y-position in reference image (pos.cartesian.y;instr.det)
Vmag24.442 mag V-magnitude (phot.mag;em.opt.V)
e_Vmag 0.0655 mag 1-σ uncertainty on V-magnitude (stat.error;phot.mag;em.opt.V)
o_Vmag367  Number of individual V-measurements (meta.number)
Bmag24.789 mag B-magnitude (phot.mag;em.opt.B)
e_Bmag 0.2031 mag 1-σ uncertainty on B-magnitude (stat.error;phot.mag;em.opt.B)
o_Bmag 7  Number of individual B-measurements (meta.number)
Imag22.298 mag I-magnitude (phot.mag;em.opt.I)
e_Imag 0.0129 mag 1-σ uncertainty on I-magnitude (stat.error;phot.mag;em.opt.I)
o_Imag568  Number of individual I-measurements (meta.number)
chi 1.002  χ quality measure (Note 1)   (meta.code.qual)
sharp-0.621  sharp quality measure (Note 1)   (src.class.starGalaxy)
W/S 0.139  Welch-Stetson (1993AJ....105.1813W) variabillity index (src.var.index)
w_W/S471.0  Weight of W/S variabillity index (stat.weight)
W/Se 1.8159   Evidence for variabillity index log(index*wt) (src.var.index)
Bmagc 24.7786 mag Corrected B-magnitude (phot.mag;em.opt.B)
Vmagc24.4340 mag Corrected V-magnitude (phot.mag;em.opt.V)
Imagc22.2933 mag Corrected I-magnitude (phot.mag;em.opt.I)
difred 0.0024 mag [-0.03/0.041] Relative reddening correction ΔE(B-V) (phot.mag;arith.diff)
RAJ200019 20 52.31 "h:m:s" (i) Right ascension (J2000.0) (pos.eq.ra;meta.main)
DEJ2000+37 45 32.2 "d:m:s" (i) Declination (J2000.0) (pos.eq.dec;meta.main)
  
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