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/table1Catalog of SDSS DR12 magnitude-limited redshift sample of candidate compact groups (MLCGs) (1588 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)
  MLCG  (i) Compact Group ID ((unassigned);meta.version;arith.diff;spect.line.veloc;arith)
  RAJ2000 deg Right Ascension of compact group in decimal degrees (J2000) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  DEJ2000 deg Declination of compact group in decimal degrees (J2000) ((unassigned);meta.version;arith.diff;(unassigned);arith)
  Nm   [3/8] Number of member galaxies ((unassigned);(unassigned);(unassigned);src.var)
  z   [0.01/0.19] Redshift of compact group ((unassigned);(unassigned);(unassigned);pos.parallax;meta.main)
  e_z   [0/0.002] Redshift uncertainty of compact group (Note G2)   ((unassigned);pos.wcs.naxis;arith.grad;time.age;pos.parallax.dyn;meta.main)
  Rad kpc [4.9/94.1] Group size of compact group ((unassigned);(unassigned);(unassigned);(unassigned))
  e_Rad kpc [0.1/17] Group size uncertainty of compact group (Note G2)   (time.age;(unassigned);arith.factor;time.age;meta.main)
  Den [Mpc-3] [3.2/7] Number density of groups in log scale ((unassigned);(unassigned);arith.factor;em.UV.10-50nm)
  e_Den [Mpc-3] [0/1.5] Number density uncertainty of groups in log scale (Note G2)   ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  sigma km/s [1/879] Velocity dispersion of compact group ((unassigned);(unassigned);(unassigned);src.class.starGalaxy;(unassigned);meta.main)
  e_sigma km/s [0/228] Velocity dispersion uncertainty of compact group ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  Nc  (n) [/27] Number of neighboring galaxies in a comoving cylinder (Note 2)   ((unassigned);(unassigned);(unassigned);src.var)
  sset (char) [NS] Designations for groups (S= group containing a sub-group) (Note 3)   ((unassigned);meta.version;arith.diff;pos.eq.dec)
  V1sset (char) V1 CG subsample ID ((unassigned);(unassigned);(unassigned);spect.line.veloc)
  V2sset (char) V2 CG subsample ID ((unassigned);(unassigned);(unassigned);spect.line.veloc)
  Simbad  ask the Simbad data-base about this object ((unassigned);(unassigned);(unassigned);pos.geocentric)

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=846525189 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/VR3078756.err (2026-10-28T17:53:08)
-3
-source=J/ApJS/225/23/table1
-ref=VIZ6ae236852efa64
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