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VizieR

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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=10832
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ColumnValue  Explain   (UCD)
_RAJ200019 21 00.9300 "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 05.600 "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 15.6477 "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 22.325 "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)
_Glon069.9517458 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+10.8715083 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)

SBG10832  (i) Sequential identification number (Note 1)   (meta.id;meta.main)

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

Xpos1292.5 pix X in accompanying image (Note 2)   (pos.cartesian.x;obs.image)
Ypos 987.2 pix Y in accompanying image (Note 2)   (pos.cartesian.y;obs.image)
Bmag24.275 mag B-band magnitude (phot.mag;em.opt.B)
e_Bmag 0.0600 mag σ(B), standard error of the mean (stat.error;phot.mag;em.opt.B)
o_Bmag 22  Number of valid photometric measurements in B (meta.number)
Vmag22.833 mag V-band magnitude (phot.mag;em.opt.V)
e_Vmag 0.0086 mag σ(V), standard error of the mean (stat.error;phot.mag;em.opt.V)
o_Vmag 450  Number of valid photometric measurements in V (meta.number)
Imag20.444 mag I-band magnitude (phot.mag;em.opt.I)
e_Imag 0.0024 mag σ(I), standard error of the mean (stat.error;phot.mag;em.opt.I)
o_Imag 697  Number of valid photometric measurements in I (meta.number)
chi 1.012  Mean value of the χ image-quality index (Note 3)   (stat.fit.goodness)
sharp 0.075  Mean value of the sharp image-quality index (Note 4)   (src.class.starGalaxy)
sep 1.54   Value of the sep image-isolation index (Note 5)   (meta.code)
VI 0.354  Value of the variability index (meta.code;src.var.index)
w_VI584.5  Weight of the variability index (stat.weight;phys.atmol.weight)
Num 169  Number of images used for the astrometry (meta.number)
RAJ200019 21 00.93 "h:m:s" (i) Hour of Right Ascension (J2000.0) (pos.eq.ra;meta.main)
DEJ2000+37 45 05.6 "d:m:s" (i) Degree of Declination (J2000.0) (pos.eq.dec;meta.main)
  
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