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J/PASP/115/413/catalog BVI photometry in the open cluster NGC 6791 (Stetson+, 2003)
Main data table (16258 rows)
  SBG=2777
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ColumnValue  Explain   (UCD)
_RAJ200019 20 35.1300 "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 49.500 "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 18 49.9025 "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 40 07.990 "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)
_Glon069.9249939 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+10.9532520 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)

SBG 2777  (i) Sequential identification number (Note 1)   (meta.id;meta.main)

xx  Flag set to x if crossids available in Table crossid (meta.ref.url)

Xpos 680.5 pix X in accompanying image (Note 2)   (pos.cartesian.x;obs.image)
Ypos1075.1 pix Y in accompanying image (Note 2)   (pos.cartesian.y;obs.image)
Bmag21.792 mag B-band magnitude (phot.mag;em.opt.B)
e_Bmag 0.0464 mag σ(B), standard error of the mean (stat.error;phot.mag;em.opt.B)
o_Bmag 7  Number of valid photometric measurements in B (meta.number)
Vmag20.682 mag V-band magnitude (phot.mag;em.opt.V)
e_Vmag 0.0040 mag σ(V), standard error of the mean (stat.error;phot.mag;em.opt.V)
o_Vmag 615  Number of valid photometric measurements in V (meta.number)
Imag19.175 mag I-band magnitude (phot.mag;em.opt.I)
e_Imag 0.0041 mag σ(I), standard error of the mean (stat.error;phot.mag;em.opt.I)
o_Imag 162  Number of valid photometric measurements in I (meta.number)
chi 1.046  Mean value of the χ image-quality index (Note 3)   (stat.fit.goodness)
sharp 0.352  Mean value of the sharp image-quality index (Note 4)   (src.class.starGalaxy)
sep 1.01   Value of the sep image-isolation index (Note 5)   (meta.code)
VI 0.595  Value of the variability index (meta.code;src.var.index)
w_VI392.0  Weight of the variability index (stat.weight;phys.atmol.weight)
Num 784  Number of images used for the astrometry (meta.number)
RAJ200019 20 35.13 "h:m:s" (i) Hour of Right Ascension (J2000.0) (pos.eq.ra;meta.main)
DEJ2000+37 45 49.5 "d:m:s" (i) Degree of Declination (J2000.0) (pos.eq.dec;meta.main)
  
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