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J/AJ/101/1561
 Isophotometry of ellipticals in Abell clusters (Porter+ 1991)
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1991AJ....101.1561P
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1.J/AJ/101/1561/table1isophotometry of BCE (176 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)
  NGC (char) [N] 'N' denotes that the following number is of NGC; in other case (' '), is of Abell (meta.note)
  ABELL   [0,] Abell cluster number * If NGC='N' then NGC number (meta.id;meta.main)
  Z  redshift of the BCE (src.redshift)
  SEEING arcsec [0,] FWHM of the seeing in the CCD image (instr.obsty.seeing)
  E4   [0,1] ellipticity for semimajor axis of 4 kpc * Blank space means the BCE was not observed at that radius, or the isophoto was discarded (see paper p1576r) (src.ellipticity)
  E16   [0,1] above of 16 kpc (meta.code)
  E64   [0,1] above of 64 kpc (meta.code)
  PA4 deg [0,360[ position angle of the major-axis of 4 kpc (see E4 above) (pos.posAng)
  PA16 deg [-8/352] above of 16 kpc (pos.posAng)
  PA64 deg [0,360[ above of 64 kpc (pos.posAng)
  decr_E (char) [cpxe"~<>0 ] if ellipticity decreasing outwards anywhere in its profile: e" = 2nd outward derivative of E, ∼ = nearly equal, cpx = complex (meta.code)
  const_E (char) [Y] 'Y' denotes constant ellipticity (meta.note)
  TWIST (char) [Y] 'Y' denotes significant isophoto twisting (meta.note)
  ASYM (char) [Y] 'Y' denotes significant asymmetry (meta.note)

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