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=2813218
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ColumnValue  Explain   (UCD)
_RAJ200016 23 41.618688 "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 39.53184 "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 37.531409 "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 44.56315 "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)
_Glon350.975333335 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+15.942044599 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)
2813218recno 2813218  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

ClusterNGC 6121  Cluster (meta.id.parent)
Seq 398  Sequential number, within the cluster (meta.record)
Xpos1319.497 pix X position (pos.cartesian.x;instr.det)
Ypos1634.215 pix Y position (pos.cartesian.y;instr.det)
Vmag 18.718 mag V magnitude (Vega) (phot.mag;em.opt.V)
e_Vmag 0.0080 mag rms uncertainty on Vmag (Note 1)   (stat.error;phot.mag;em.opt.V)
V-I 0.981 mag V-I colour index (V-I) (phot.color;em.opt.V;em.opt.I)
e_V-I 0.0082 mag rms uncertainty on V-I (Note 1)   (stat.error;phot.color;em.opt.V)
Imag 17.737 mag I magnitude (Vega) (phot.mag;em.opt.I)
e_Imag 0.0020 mag rms uncertainty on Imag (Note 1)   (stat.error;phot.mag;em.opt.I)
Vground19.007 mag Ground V magnitude (phot.mag;em.opt.V)
Iground17.704 mag Ground I magnitude (phot.mag;em.opt.I)
o_Vmag 4  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 0.010  RMS of x positions (Note 2)   (stat.error)
ysig 0.001  RMS of y positions (Note 2)   (stat.error)
othv 0.000  fraction of F606W light from other stars (phys.composition.massLightRatio)
othi 0.000  fraction of F814W light from other stars (phys.composition.massLightRatio)
qfitV 0.047  quality of the V fit (smaller is better) (meta.code.qual)
qfitI 0.031  quality of the I fit (smaller is better) (meta.code.qual)
RAJ2000245.9234112 deg (i) Rigth ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000-26.5443144 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
  
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