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J/ApJ/660/1428
 Astrometry around RX J0720.4-3125 (Kaplan+, 2007)
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img(gal)
1.J/ApJ/660/1428/table9Merged positions for each epoch (156 rows)

 
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)
  ID (char) Object identifier (Note G1)   (meta.id;meta.main)
  Exp (char) Exposure identifier (hrcN) (meta.id;obs.exposure)
  DXpix pix Distortion-corrected X position (pos.cartesian.x;instr.det)
  e_DXpix pix Uncertainty in D-Xpix (stat.error)
  DYpix pix Distortion-corrected Y position (pos.cartesian.y;instr.det)
  e_DYpix pix Uncertainty in D-Ypix (stat.error)
  Num  Number of measurements (2x number of exposures) (meta.number)
  Rchi2  Reduced χ2 (=χ2/(Num-6)) (stat.fit.chi2)

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