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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/225/23
  Compact groups of galaxies from SDSS-DR12 (MLCG) (Sohn+, 2016)
ReadMe+ftp
2016ApJS..225...23S
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/225/23/table6Catalog of V2CGs (volume-limited sample 2 with 0.01≤z≤0.1154 and rMag≥-20mag) (297 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)
  V2sset (char) V2CG ID (Note G1)   (meta.id)
  RAJ2000 deg (i) Right Ascension of V2 compact group (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) Declination of V2 compact group (J2000) (pos.eq.dec;meta.main)
  Nm   [3/5] Number of member galaxies in V2 compact group (meta.number)
  z   [0.01/0.12] Redshift of V2 compact group (src.redshift)
  e_z   [0/0.002] Redshift uncertainty (Note G2)   (stat.error;src.redshift)
  Rad kpc [5.8/66.3] Group size of V2 compact group (phys.size.radius)
  e_Rad kpc [0.1/16.1] Rad uncertainty (Note G2)   (stat.error)
  Den [Mpc-3] [3.6/6.6] Number density of V2 groups in log scale (pos.distance)
  e_Den [Mpc-3] [0/1.3] Den uncertainty (stat.error)
  sigma km/s [10/781] Velocity dispersion of V2 compact group (phys.veloc.dispersion;pos.lg)
  e_sigma km/s [2/204] sigma uncertainty (stat.error)
  Nc  (n) [/22] Number of neighboring galaxies in a comoving cylinder (meta.number)

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