VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

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J/AJ/114/189
  M 4 CCD photometry (Alcaino+, 1997)
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1997AJ....114..189A
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1.J/AJ/114/189/table3CCD photometry in M4 (1649 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)
  ALAK  Running number (Note 1)   (meta.id;meta.main)
  xpos pix x coordinate (along RA, increases to the east) (pos.cartesian.x;instr.det)
  ypos pix y coordinate (along DEC, increases to the south) (pos.cartesian.y;instr.det)
  Vmag mag V magnitude (phot.mag;em.opt.V)
  U-B mag (n) U-B color (blank if not available) (phot.color;em.opt.U;em.opt.B)
  B-V mag B-V color (phot.color;em.opt.B;em.opt.V)
  V-I mag (n) V-I color (blank if not available) (phot.color;em.opt.V;em.opt.I)

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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