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J/ApJ/456/234
 Cas A radio knots spectral indices (Anderson+ 1996)
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1.J/ApJ/456/234/table1Radio knot spectral indices (epoch 1987) (304 rows)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number within the original table (starting from 1) (meta.record)
  Knot  Knot number (meta.id;meta.main)
  KnotT  (n) Designation number of Tuffs (1986MNRAS.219...13T) (meta.id)
  Xpos arcsec Epoch 1987 knot position (Note 1)   (pos.proj)
  Ypos arcsec Epoch 1987 knot position (Note 1)   (pos.proj)
  BoxX1 arcsec Box defining the regression region used for each knot (Note 1)   (instr.param)
  BoxY1 arcsec Box defining the regression region used for each knot (Note 1)   (instr.param)
  BoxX2 arcsec Box defining the regression region used for each knot (Note 1)   (instr.param)
  BoxY2 arcsec Box defining the regression region used for each knot (Note 1)   (instr.param)
  alpha  Spectral index (spect.index)
  e_alpha  rms uncertainty on alpha (stat.error)

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(n) indicates a possible blank or NULL column  
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