VizieR

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VizieR

  
J/AJ/115/130
  NGC 925 & NGC 1637 supergiants VRI CCD photometry (Sohn+ 1998)
ReadMe+ftp
1998AJ....115..130S
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Objects
Post annotation 		  
1.J/AJ/115/130/table4Positions, magnitudes and colors of NGC 1637 stars (435 rows)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  NGC  (n)Cluster NGC number (925 or 1637) (meta.id.parent)
  [SD98]  Identification number (Note 1)   (meta.id;meta.main)
  Xc pix X coordinate (Note 2)   (pos.cartesian.x;instr.det)
  Yc pix Y coordinate (Note 2)   (pos.cartesian.y;instr.det)
  Vmag mag V magnitude (phot.mag;em.opt.V)
  e_Vmag mag rms uncertainty on Vmag (stat.error;phot.mag)
  V-I mag V-I colour index (phot.color;em.opt.V;em.opt.I)
  e_V-I mag rms uncertainty on V-I (stat.error;phot.color;em.opt.V)
  R-I mag R-I colour index (phot.color;em.opt.R;em.opt.I)
  e_R-I mag rms uncertainty on R-I (stat.error;phot.color;em.opt.R)
  HK1  (n) HII region identification (Note 3)   (meta.id)
  HK2  (n) HII region identification (Note 3)   (meta.id)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  
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