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:

Radius Box size

  
J/ApJ/496/39
  Properties of poor groups of galaxies. I. (Zabludoff+ 1998)
Post annotation
img(gal)
1.J/ApJ/496/39/table2Group kinematic properties (12 rows)

 
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)
  Group (char) Group name (meta.id;meta.main)
  RAJ2000 "h:m:s" (i) Right ascension of the group optical projected centroid in J2000 (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Declination sign (pos.eq.dec;meta.main)
  Ntot  Total number of galaxies with measured redshifts in the fiber field (meta.number)
  Ngroup  Number of group members (meta.number)
  HRV km/s Biweight estimators of the mean heliocentric velocity (phys.veloc;pos.heliocentric)
  e_HRV km/s rms uncertainty on HRV (stat.error)
  sigma km/s Line-of-sight velocity dispersion (phys.veloc.dispersion)
  E_sigma km/s Error on sigma (upper limit) (stat.error)
  e_sigma km/s Error on sigma (lower limit) (stat.error)
  rsample Mpc Physical radius of the group sampled by the fiber field (h–1Mpc) (phys.size.radius)
  rp Mpc (n) Pair radius (h–1Mpc) (phys.size.radius)
  rh Mpc (n) Mean harmonic (virial )radius (h–1Mpc) (phys.size.radius)
  Mvir solMass (n) Virial mass (h–1Mpc) (phys.mass)
  tc/tH  (n) Ratio of the crossing time to Hubble time (time.crossing)

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