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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=10713
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ColumnValue  Explain   (UCD)
_RAJ200019 21 00.5700 "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 11.900 "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 15.2912 "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 28.650 "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)
_Glon069.9528178 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+10.8733416 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)

SBG10713  (i) Sequential identification number (Note 1)   (meta.id;meta.main)

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

Xpos1283.8 pix X in accompanying image (Note 2)   (pos.cartesian.x;obs.image)
Ypos 999.7 pix Y in accompanying image (Note 2)   (pos.cartesian.y;obs.image)
Bmag23.479 mag B-band magnitude (phot.mag;em.opt.B)
e_Bmag 0.1003 mag σ(B), standard error of the mean (stat.error;phot.mag;em.opt.B)
o_Bmag 36  Number of valid photometric measurements in B (meta.number)
Vmag22.141 mag V-band magnitude (phot.mag;em.opt.V)
e_Vmag 0.0132 mag σ(V), standard error of the mean (stat.error;phot.mag;em.opt.V)
o_Vmag 681  Number of valid photometric measurements in V (meta.number)
Imag20.303 mag I-band magnitude (phot.mag;em.opt.I)
e_Imag 0.0037 mag σ(I), standard error of the mean (stat.error;phot.mag;em.opt.I)
o_Imag 693  Number of valid photometric measurements in I (meta.number)
chi 1.029  Mean value of the χ image-quality index (Note 3)   (stat.fit.goodness)
sharp 0.574  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 1.031  Value of the variability index (meta.code;src.var.index)
w_VI705.0  Weight of the variability index (stat.weight;phys.atmol.weight)
Num 410  Number of images used for the astrometry (meta.number)
RAJ200019 21 00.57 "h:m:s" (i) Hour of Right Ascension (J2000.0) (pos.eq.ra;meta.main)
DEJ2000+37 45 11.9 "d:m:s" (i) Degree of Declination (J2000.0) (pos.eq.dec;meta.main)
  
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