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  Orbits of Four Visual Binaries (Romanenko+, 2021)
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1.J/AZh/98/239/table2Yearly average positions (59 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)
  ADS  ADS number (;meta.main)
  Epoch yr Epoch of observation (Epoch-2000) (time.epoch)
  N  Number of CCD frames (meta.number)
  theta deg Position Angle based on the equinox for the epoch of observation (Note 1)   (pos.posAng)
  rho arcsec Separation (pos.angDistance;src.orbital)
  e_theta deg Standard deviation in theta (stat.error;pos.posAng)
  e_rho arcsec Standard deviation in rho (stat.error)
  e_theta2 arcsec Standard deviation of one CCD image in theta (stat.error)
  e_rho2 arcsec Standard deviation of one CCD image in rho (stat.error)

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 (i)indexed column
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