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/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. ((unassigned);(unassigned);(unassigned);phys.veloc)
  V2sset (char) V2CG ID (Note G1)   ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc)
  RAJ2000 deg Right Ascension of V2 compact group (J2000) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)
  DEJ2000 deg Declination of V2 compact group (J2000) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)
  Nm   [3/5] Number of member galaxies in V2 compact group ((unassigned);phys.veloc.orbital;arith.diff;src.var)
  z   [0.01/0.12] Redshift of V2 compact group ((unassigned);phys.veloc.orbital;arith.diff;pos.parallax;meta.main)
  e_z   [0/0.002] Redshift uncertainty (Note G2)   ((unassigned);(unassigned);(unassigned);time.age;pos.parallax.dyn;meta.main)
  Rad kpc [5.8/66.3] Group size of V2 compact group ((unassigned);phys.veloc.orbital;arith.diff;(unassigned))
  e_Rad kpc [0.1/16.1] Rad uncertainty (Note G2)   ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  Den [Mpc-3] [3.6/6.6] Number density of V2 groups in log scale ((unassigned);(unassigned);(unassigned);em.UV.10-50nm)
  e_Den [Mpc-3] [0/1.3] Den uncertainty ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  sigma km/s [10/781] Velocity dispersion of V2 compact group ((unassigned);phys.veloc.orbital;arith.diff;src.class.starGalaxy;(unassigned);meta.main)
  e_sigma km/s [2/204] sigma uncertainty ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  Nc  (n) [/22] Number of neighboring galaxies in a comoving cylinder ((unassigned);phys.veloc.orbital;arith.diff;src.var)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
Adapt form
 Display your selection only Reset to default columns
usage  Display UCD1+    UCD1  

The following problems were encountered in this VizieR run:
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846522686 Where phase=3 and catid=22250023
**** 
**** --POSTGRES MSG db=1
**** Report from: stdb_pg,     Status: STDB_ERR 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****ERROR:  invalid page in block 0 of relation base/16403/6104
If you can't find a solution, report to CDS and insert into your message the following details:

.errorfile=/tmp/VR2891602.err (2026-10-28T17:11:25)
-3
-source=J/ApJS/225/23/table6
-ref=VIZ6ae22cbe2c1f52
elapse time 1