VizieR

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CDS

VizieR

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

  
VII/4A
  Abell and Zwicky Clusters of Galaxies (Abell+ 1974)
ReadMe+ftp
1958ApJS....3..211A
Similar Catalogs
Post annotation 		img(gal)
1.VII/4A/abellAbell Clusters (Abell, 1958; Corwin, 1974) (2712 rows)

Simple ConstraintList Of Constraints
 
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.id;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 (pos.galactic.lat)
  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 (pos.supergalactic.lat)
  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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usage  Display UCD1+    UCD1  
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