VizieR

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VizieR

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J/AJ/133/1658/acssggc ACS survey of galactic globular clusters (Sarajedini+, 2007)
Catalog for the 65 clusters (6332017 rows)
  recno=2813239
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ColumnValue  Explain   (UCD)
_RAJ200016 23 41.436312 "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)
_DEJ2000-26 32 38.00004 "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)
_RAB195016 20 37.349782 "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)
_DEB1950-26 25 43.01928 "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)
_Glon350.975185059 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+15.942833808 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)
2813239recno 2813239  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

ClusterNGC 6121  Cluster (meta.id.parent)
Seq 419  Sequential number, within the cluster (meta.record)
Xpos1368.442 pix X position (pos.cartesian.x;instr.det)
Ypos1664.862 pix Y position (pos.cartesian.y;instr.det)
Vmag 25.316 mag V magnitude (Vega) (phot.mag;em.opt.V)
e_Vmag 0.1379 mag rms uncertainty on Vmag (Note 1)   (stat.error;phot.mag;em.opt.V)
V-I 0.776 mag V-I colour index (V-I) (phot.color;em.opt.V;em.opt.I)
e_V-I 0.9481 mag rms uncertainty on V-I (Note 1)   (stat.error;phot.color;em.opt.V)
Imag 24.540 mag I magnitude (Vega) (phot.mag;em.opt.I)
e_Imag 0.9380 mag rms uncertainty on Imag (Note 1)   (stat.error;phot.mag;em.opt.I)
Vground25.540 mag Ground V magnitude (phot.mag;em.opt.V)
Iground24.501 mag Ground I magnitude (phot.mag;em.opt.I)
o_Vmag 1  Number of observations in Vmag (meta.number)
o_Imag 2  Number of observations in Imag (meta.number)
wV1   [1/4] where did the V mag come from (1=deep unsat, 2=short unsat) (meta.code)
wI1   [1/4] where did the I mag come from (3=short sat, 4=deep sat) (meta.code)
xsig 0.417  RMS of x positions (Note 2)   (stat.error)
ysig 0.072  RMS of y positions (Note 2)   (stat.error)
othv 9.900  fraction of F606W light from other stars (phys.composition.massLightRatio)
othi 9.900  fraction of F814W light from other stars (phys.composition.massLightRatio)
qfitV 0.861  quality of the V fit (smaller is better) (meta.code.qual)
qfitI 1.153  quality of the I fit (smaller is better) (meta.code.qual)
RAJ2000245.9226513 deg (i) Rigth ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000-26.5438889 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
  
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