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  9 visual double stars orbital elements (Alzner 1998)
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1.J/A+AS/132/253/hu39lHu 39 residuals: low excentricity variant data (16 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)
  Date yr Observation date (time.epoch;obs)
  n_Date (char) [*] In stt89.dat, 1896. for 1896-1898 (meta.note)
  PA deg (n) Observed position angle θ (pos.posAng)
  n_PA (char) [?r*s ed] Note on PA (Note 1)   (meta.note)
  Sep arcsec (n) Observed separation ρ (pos.angDistance;src.orbital)
  n_Sep (char) [:e?o ] Note on Sep (Note 1)   (meta.note)
  Nobs  (n) Number of observations (meta.number)
  Nobs2  (n) Second number of observations (meta.number)
  n_Nobs (char) [m] m: many nights (meta.note)
  Obs (char) Observators (
  theta deg (O-C) on PA Δθ (
  rho arcsec (n) (O-C) on Sep Δρ (
  u_rho (char) [)] Uncertainty flag on the residuals (meta.code.error)

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