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/ApJ/496/39
  Properties of poor groups of galaxies. I. (Zabludoff+ 1998)
ReadMe+ftp
1998ApJ...496...39Z
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/496/39/table2Group kinematic properties (12 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);phys.veloc.orbital;arith.diff;phys.veloc)
  Group (char) Group name ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;arith)
  RAJ2000 "h:m:s" Right ascension of the group optical projected centroid in J2000 ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)
  DEJ2000 "d:m:s" Declination sign ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)
  Ntot  Total number of galaxies with measured redshifts in the fiber field ((unassigned);(unassigned);(unassigned);src.var)
  Ngroup  Number of group members ((unassigned);(unassigned);(unassigned);src.var)
  HRV km/s Biweight estimators of the mean heliocentric velocity ((unassigned);phys.veloc.orbital;arith.diff;spect.index;arith.diff;meta.main)
  e_HRV km/s rms uncertainty on HRV ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  sigma km/s Line-of-sight velocity dispersion ((unassigned);(unassigned);(unassigned);src.class.starGalaxy;meta.main)
  E_sigma km/s Error on sigma (upper limit) ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  e_sigma km/s Error on sigma (lower limit) ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  rsample Mpc Physical radius of the group sampled by the fiber field (h–1Mpc) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned))
  rp Mpc (n) Pair radius (h–1Mpc) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned))
  rh Mpc (n) Mean harmonic (virial )radius (h–1Mpc) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned))
  Mvir solMass (n) Virial mass (h–1Mpc) ((unassigned);(unassigned);(unassigned);(unassigned))
  tc/tH  (n) Ratio of the crossing time to Hubble time (time.equinox;(unassigned);arith.factor;time.processing;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  

The following problems were encountered in this VizieR run:
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846574999 Where phase=3 and catid=14960039
**** 
**** --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/VR3860308.err (2026-10-29T07:43:17)
-3
-source=J/ApJ/496/39/table2
-ref=VIZ6ae2f9173ae754
elapse time 2