VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

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/MNRAS/348/866
  2dFGRS Percolation-Inferred Galaxy Group (2PIGG) (Eke+, 2004)
ReadMe+ftp
2004MNRAS.348..866E
Similar Catalogs
Post annotation 		img(gal)
1.J/MNRAS/348/866/2dfngpga(c)Galaxies used for group-finding in the NGP (download the corresponding mock catalog) (78746 rows)
2.J/MNRAS/348/866/2dfsgpga(c)Galaxies used for group-finding in the SGP (download the corresponding mock catalog) (112694 rows)
3.J/MNRAS/348/866/2dfngpgr(c)Group properties in the NGP (download the corresponding mock catalog) (11920 rows)
4.J/MNRAS/348/866/2dfsgpgr(c)Group properties in the SGP (download the corresponding mock catalog) (16957 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)RArad deg (i) Right ascension in radians (1950 coordinates) (pos.eq.ra;meta.main)
   (ALL)DErad deg (i) Declination in radians (1950 coordinates) (pos.eq.dec;meta.main)
   (ALL)z  Redshift (src.redshift)
  (1+2)bJmag mag bJ magnitude (phot.mag;em.opt.B)
  (1+2)bJmagl mag limiting b_J magnitude of the survey at the position of this galaxy (phot.mag)
  (1+2)n  Mean number density of galaxies in the survey at the position of this galaxy (phys.density)
  (1+2)Weight   [1/4.4] Weight associated with this galaxy (phys.atmol.weight)
  (1+2)Ngroup   [0/16957] Group number to which this galaxy has been assigned (0 is ungrouped) (Note 1)   (meta.number;phys.atmol.number)
   (ALL)_RA.icrs deg (n)(i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
   (ALL)_DE.icrs deg (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
  (3+4)Nmemb   [1/500] Unweighted number of members (meta.number)
  (3+4)Sep Mpc rms projected galaxy separation in Mpc/h (stat.stdev;pos.distance;instr.det.noise)
  (3+4)sigma km/s Group velocity dispersion (phys.veloc.dispersion)

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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