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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)
  recno=21227
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200023 14 49.270 "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)
_DEJ2000-27 53 31.53 "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)
_RAB195023 12 08.324 "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)
_DEB1950-28 09 53.17 "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)
_Glon025.275828 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-68.597916 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)
21227recno 21227  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
n_GroupS  Southern or Northern group (meta.id.part;meta.main)

Group10477  Group number (meta.id;meta.main)
Rich 3  Rrichness (number of member galaxies) (meta.note)
RAJ2000348.7053 deg (i) Right ascension, in decimal degrees (J2000) (mean of member galaxies) (pos.eq.ra;meta.main)
DEJ2000-27.8921 deg (i) Declination, in decimal degrees (J2000) (mean of member galaxies) (pos.eq.dec;meta.main)
cdist303.0705 Mpc Comoving distance in Mpc/h (mean of member galaxies) (pos.distance)
SizeSky 0.1421 Mpc Maximum projected size (in Mpc/h) (phys.angSize)
sigma179.6 km/s rms radial velocity (velocity dispersion) (stat.stdev;spect.dopplerVeloc)
Rvir0.081 Mpc Virial radius in Mpc/h (phys.size.radius)
Lgal1 1.76e+00 solLum Luminosity of the main galaxy (Note G1)   (phys.luminosity)
Lgalv 3.68e+00 solLum Total observed luminosity of galaxies in the visibility window (Note G1)   (phys.luminosity)
Ltot1 5.84e+00 solLum Estimated total luminosity of the group using param. set 1 (Note G1)   (phys.luminosity)
Ltot2 5.45e+00 solLum Estimated total luminosity of the group using param. set 2 (Note G1)   (phys.luminosity)
  
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