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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=7654
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ColumnValue  Explain   (UCD)
_RAJ200019 20 51.7300 "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 28.000 "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 06.4705 "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 45.354 "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)
_Glon069.9439117 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+10.9014765 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 7654  (i) Sequential identification number (Note 1)   (meta.id;meta.main)

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

Xpos1074.1 pix X in accompanying image (Note 2)   (pos.cartesian.x;obs.image)
Ypos1032.0 pix Y in accompanying image (Note 2)   (pos.cartesian.y;obs.image)
Bmag20.016 mag B-band magnitude (phot.mag;em.opt.B)
e_Bmag 0.0020 mag σ(B), standard error of the mean (stat.error;phot.mag;em.opt.B)
o_Bmag 63  Number of valid photometric measurements in B (meta.number)
Vmag19.003 mag V-band magnitude (phot.mag;em.opt.V)
e_Vmag 0.0004 mag σ(V), standard error of the mean (stat.error;phot.mag;em.opt.V)
o_Vmag 929  Number of valid photometric measurements in V (meta.number)
Imag17.970 mag I-band magnitude (phot.mag;em.opt.I)
e_Imag 0.0004 mag σ(I), standard error of the mean (stat.error;phot.mag;em.opt.I)
o_Imag 707  Number of valid photometric measurements in I (meta.number)
chi 1.027  Mean value of the χ image-quality index (Note 3)   (stat.fit.goodness)
sharp 0.019  Mean value of the sharp image-quality index (Note 4)   (src.class.starGalaxy)
sep 5.84   Value of the sep image-isolation index (Note 5)   (meta.code)
VI 0.174  Value of the variability index (meta.code;src.var.index)
w_VI849.5  Weight of the variability index (stat.weight;phys.atmol.weight)
Num 699  Number of images used for the astrometry (meta.number)
RAJ200019 20 51.73 "h:m:s" (i) Hour of Right Ascension (J2000.0) (pos.eq.ra;meta.main)
DEJ2000+37 45 28.0 "d:m:s" (i) Degree of Declination (J2000.0) (pos.eq.dec;meta.main)
  
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