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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)
Post annotation
img(gal)
1.VII/4A/abell(c)Abell Clusters (Abell, 1958; Corwin, 1974) (2712 rows)
2.VII/4A/zwicky(c)Zwicky Clusters (Zwicky et al., 1961-68) (9134 rows)
3.VII/4A/zwindex(c)Zwicky Clusters index (9134 rows)
Help Xmatch is

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  (1)Abell  Abell cluster number (meta.id;meta.main)
  (1)n_Abell   [1/2] '2' if in Abell's statistical sample, '1' if not (meta.note)
   (ALL)RA1950 "h:m:s" (i) Hours RA, 1950.0 (pos.eq.ra;meta.main)
   (ALL)DE1950 "d:m:s" (i) Degrees Dec, 1950.0 (pos.eq.dec;meta.main)
  (1)Mag10 mag Magnitude of 10th brightest cluster member (phot.mag)
  (1+2)DistGroup   [0/7] Distance group (Note 1)   (pos.distance;pos.lg)
  (1)RichGroup   [0/5] Richness group (Note 2)   (src.class.richness;pos.lg)
  (1+2)GLON deg Galactic longitude (pos.galactic.lon)
  (1+2)GLAT deg Galactic latitude (pos.galactic.lat)
  (1+2)RLamb  Lambert distance from pole (Note 3)   (pos.distance;pos.lambert)

ALL cols
    
 (i)indexed column
  (1+2)XLamb  Lambert X coordinate (Note 3)   (pos.cartesian.x)
  (1+2)YLamb  Lambert Y coordinate (Note 3)   (pos.cartesian.y)
  (1+2)SGLON deg Supergalactic longitude (de Vaucouleur's system) (pos.supergalactic.lon)
  (1+2)SGLAT deg Supergalactic latitude (pos.supergalactic.lat)
  (1+2)ClusRad deg Corrected Abell cluster radius (phys.angSize)
  (1+2)ClusArea deg2 Cluster area computed from ClusRad (phys.area;meta.modelled)
  (1+2)Pop ct/deg2 Mean apparent population (galaxies/sq.deg) (src.sample;stat.mean)
  (1)Dist Mpc Radial distance to cluster (pos.distance)
  (1)DistX Mpc X component of Distance (pos.distance)
  (1)DistY Mpc Y component of Distance (pos.distance)
  (1)DistZ Mpc Z component of Distance (pos.distance)
   (ALL)_RA.icrs "h:m:s" (n)(i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
   (ALL)_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
  (2+3)Zwicky  Zwicky cluster number (meta.id;meta.main)
  (2)Type   [1/3] Cluster type (Note 1)   (meta.note)
  (2)GalCnt  Population of cluster (number of galaxies) (meta.number)
  (2)Diam cm Diameter of cluster (phys.size.diameter)
  (3)Area1  (n) [1/559] Plate area containing cluster (Note 1)   (phys.area;instr.plate)
  (3)Number1  (n) [1/120] Cluster number within plate area (Note 1)   (meta.id;instr.plate)
  (3)Area2  (n) [1/559] Plate area containing cluster (Note 1)   (phys.area;instr.plate)
  (3)Number2  (n) [1/120] Cluster number within plate area (Note 1)   (meta.id;instr.plate)
  (3)Area3  (n) [1/559] Plate area containing cluster (Note 1)   (phys.area;instr.plate)
  (3)Number3  (n) [1/120] Cluster number within plate area (Note 1)   (meta.id;instr.plate)
  (3)Area4  (n) [1/559] Plate area containing cluster (Note 1)   (phys.area;instr.plate)
  (3)Number4  (n) [1/120] Cluster number within plate area (Note 1)   (meta.id;instr.plate)
  (3)Area5  (n) [1/559] Plate area containing cluster (Note 1)   (phys.area;instr.plate)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (3)Number5  (n) [1/120] Cluster number within plate area (Note 1)   (meta.id;instr.plate)
  (3)Area6  (n) [1/559] Plate area containing cluster (Note 1)   (phys.area;instr.plate)
  (3)Number6  (n) [1/120] Cluster number within plate area (Note 1)   (meta.id;instr.plate)
  (3)Area7  (n) [1/559] Plate area containing cluster (Note 1)   (phys.area;instr.plate)
  (3)Number7  (n) [1/120] Cluster number within plate area (Note 1)   (meta.id;instr.plate)
  (3)Area8  (n) [1/559] Plate area containing cluster (Note 1)   (phys.area;instr.plate)
  (3)Number8  (n) [1/120] Cluster number within plate area (Note 1)   (meta.id;instr.plate)
  (3)Area9  (n) [1/559] Plate area containing cluster (Note 1)   (phys.area;instr.plate)
  (3)Number9  (n) [1/120] Cluster number within plate area (Note 1)   (meta.id;instr.plate)
  (3)Area10  (n) [1/559] Plate area containing cluster (Note 1)   (phys.area;instr.plate)
  (3)Number10  (n) [1/120] Cluster number within plate area (Note 1)   (meta.id;instr.plate)
  (3)Area11  (n) [1/559] Plate area containing cluster (Note 1)   (phys.area;instr.plate)
  (3)Number11  (n) [1/120] Cluster number within plate area (Note 1)   (meta.id;instr.plate)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (3)Area12  (n) [1/559] Plate area containing cluster (Note 1)   (phys.area;instr.plate)
  (3)Number12  (n) [1/120] Cluster number within plate area (Note 1)   (meta.id;instr.plate)

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