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J/AN/327/365/groups Clusters and groups of galaxies in 2dF (Tago+, 2006)
Catalogue of the 2dF GRS Groups (25215 rows)
  Group=2178, n_Group=N
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200012 07 39.939 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEJ2000-04 21 14.80 "d:m:s" Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_RAB195012 05 06.039 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEB1950-04 04 33.16 "d:m:s" Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_Glon282.714046 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat+56.789546 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)
2178recno 2178  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
n_GroupN  Southern or Northern group (meta.id.part;meta.main)

Group 2178  Group number (meta.id;meta.main)
Rich 2  Rrichness (number of member galaxies) (meta.note)
RAJ2000181.9164 deg (i) Right ascension, in decimal degrees (J2000) (mean of member galaxies) (pos.eq.ra;meta.main)
DEJ2000-04.3541 deg (i) Declination, in decimal degrees (J2000) (mean of member galaxies) (pos.eq.dec;meta.main)
cdist357.3773 Mpc Comoving distance in Mpc/h (mean of member galaxies) (pos.distance)
SizeSky 0.4840 Mpc Maximum projected size (in Mpc/h) (phys.angSize)
sigma242.6 km/s rms radial velocity (velocity dispersion) (stat.stdev;spect.dopplerVeloc)
Rvir0.484 Mpc Virial radius in Mpc/h (phys.size.radius)
Lgal1 9.97e-01 solLum Luminosity of the main galaxy (Note G1)   (phys.luminosity)
Lgalv 1.46e+00 solLum Total observed luminosity of galaxies in the visibility window (Note G1)   (phys.luminosity)
Ltot1 2.78e+00 solLum Estimated total luminosity of the group using param. set 1 (Note G1)   (phys.luminosity)
Ltot2 2.49e+00 solLum Estimated total luminosity of the group using param. set 2 (Note G1)   (phys.luminosity)
  
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