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  Astrometric studies of GAT stars (Gatewood, 2008) The GAT lists are published in ~36 papers starting in 1973
Post annotation
1.J/AJ/136/452/table1Adjustment to weighted absolute parallax (97 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)
  GAT   [877/1366] Allegheny Observatory catalog star number (;meta.main)
  SpType (char) Adopted spectral class (src.spType)
  plx mas Spectroscopic parallax (pos.parallax)
  e_plx mas rms uncertainty on plx (stat.error;pos.parallax)
  plxP mas Provisional parallax (pos.parallax.trig)
  e_plxP mas rms uncertainty on plxP (stat.error)
  Wadj mas Weighted adjustment (
  Weight  Weight (stat.weight;phys.atmol.weight)
  plxO mas Observed parallax (pos.parallax)
  Diff mas Difference, plx-plxO (

ALL cols
 (i)indexed column
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usage  Display UCD1+    UCD1  
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