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Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  Abell and Zwicky Clusters of Galaxies (Abell+ 1974)
Post annotation
1.VII/4A/abellAbell Clusters (Abell, 1958; Corwin, 1974) (2712 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)
  Abell  Abell cluster number (;meta.main)
  n_Abell   [1/2] '2' if in Abell's statistical sample, '1' if not (meta.note)
  RA1950 "h:m:s" (i) Hours RA, 1950.0 (pos.eq.ra;meta.main)
  DE1950 "d:m:s" (i) Degrees Dec, 1950.0 (pos.eq.dec;meta.main)
  Mag10 mag Magnitude of 10th brightest cluster member (phot.mag)
  DistGroup   [0/7] Distance group (Note 1)   (pos.distance;pos.lg)
  RichGroup   [0/5] Richness group (Note 2)   (src.class.richness;pos.lg)
  GLON deg Galactic longitude (pos.galactic.lon)
  GLAT deg Galactic latitude (
  RLamb  Lambert distance from pole (Note 3)   (pos.distance;pos.lambert)

ALL cols
 (i)indexed column
  XLamb  Lambert X coordinate (Note 3)   (pos.cartesian.x)
  YLamb  Lambert Y coordinate (Note 3)   (pos.cartesian.y)
  SGLON deg Supergalactic longitude (de Vaucouleur's system) (pos.supergalactic.lon)
  SGLAT deg Supergalactic latitude (
  ClusRad deg Corrected Abell cluster radius (phys.angSize)
  ClusArea deg2 Cluster area computed from ClusRad (phys.area;meta.modelled)
  Pop ct/deg2 Mean apparent population (galaxies/sq.deg) (src.sample;stat.mean)
  Dist Mpc Radial distance to cluster (pos.distance)
  DistX Mpc X component of Distance (pos.distance)
  DistY Mpc Y component of Distance (pos.distance)
  DistZ Mpc Z component of Distance (pos.distance)
  _RA.icrs "h:m:s" (n)(i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
  _DE.icrs "d:m:s" (n)(i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)

ALL cols
(n) indicates a possible blank or NULL column(i)indexed column
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