VizieR

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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

  
J/ApJS/167/1
  Galaxy groups and clusters from SDSS (Berlind+, 2006)
ReadMe+ftp
2006ApJS..167....1B
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/167/1/table3(c)Group and Cluster Catalogs for Samples Mr20, Mr19, and Mr18 (8148 rows)
2.J/ApJS/167/1/table4(c)Member Galaxies of Groups and Clusters for Samples Mr20, Mr19, and Mr18 (44554 rows)
Help Xmatch is

Simple ConstraintList Of Constraints
 
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)
   (ALL)Samp (char) The volume-limited sample (Note G1)   (src.sample)
   (ALL)Group  (i) Group identification number (Note 1)   (meta.id;meta.main)
   (ALL)RAJ2000 deg (i) Right Ascension (J2000) of group centroid (pos.eq.ra;meta.main)
   (ALL)DEJ2000 deg (i) Declination (J2000) of group centroid (pos.eq.dec;meta.main)
   (ALL)z  Mean redshift of the group (src.redshift)
  (1)Rich  Group richness (src.class.richness)
   (ALL)rMAG mag Total group r band absolute magnitude (phys.magAbs)
   (ALL)g-r mag Total group (g-r) color index (phot.color;em.opt.B;em.opt.R)
  (1)sigma km/s Group velocity dispersion (phys.veloc.dispersion)
  (1)RPerp Mpc Group projected rms radius (in h–1Mpc) (stat.stdev;phys.size.radius;pos.lg)

ALL cols		    
 (i)indexed column
   (ALL)Redge Mpc Perpendicular distance of group center from survey edge (in h–1Mpc) (pos.distance)
  (2)f_z   [0/1] Fiber collision flag (Note 3)   (meta.code)
  (2)SDSS (char) Display the SDSS data (meta.ref.url)

ALL cols		    
 (i)indexed column
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usage  Display UCD1+    UCD1  
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