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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/110A
  Rich Clusters of Galaxies (Abell+ 1989)
ReadMe+ftp
1989ApJS...70....1A
Similar Catalogs
Post annotation 		img(gal)
1.VII/110A/table3Revised northern "Abell Catalog" (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)
  ACO  (i) [1,2712] "Abell" number (meta.id;meta.main)
  RAB1950 "h:m:s" (i) right ascension (B1950) (pos.eq.ra;meta.main)
  DEB1950 "d:m:s" (i) declination (B1950) (pos.eq.dec;meta.main)
  BMtype (char) [- I:] cluster classification in the Bautz- Morgan system (src.class.struct)
  Count ct [0,] number of cluster members between m3 and m3+2, corrected for background (meta.number)
  Xpos mm rectangular coordinates of the apparent cluster center, referred to the south-east (lower left) edge of the Palomar Sky Survey prints (x coordinate) (pos.cartesian.x;instr.plate)
  Ypos mm same with above (y coordinate) (pos.cartesian.y;instr.plate)
  GLON deg galactic longitude l2 (pos.galactic.lon)
  GLAT deg galactic latitude b2 (pos.galactic.lat)
  z  (n) cluster redshift from Struble and Rood (1987ApJS...63..555S) (src.redshift)
  Rich  richness, from Abell (1958ApJS....3..211A) (Note)   (src.class.richness)
  Dclass  distance class, from Abell (Note 1958)   (src.class.distance)
  m10 mag red magnitude of the tenth brightest cluster member, from Abell (1958) (phot.mag)
  _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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