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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=4281, n_Group=S
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200023 53 01.194 "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)
_DEJ2000-28 09 01.60 "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 50 26.123 "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 25 43.16 "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)
_Glon025.036807 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-77.029630 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)
15031recno 15031  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)

Group 4281  Group number (meta.id;meta.main)
Rich 3  Rrichness (number of member galaxies) (meta.note)
RAJ2000358.2550 deg (i) Right ascension, in decimal degrees (J2000) (mean of member galaxies) (pos.eq.ra;meta.main)
DEJ2000-28.1504 deg (i) Declination, in decimal degrees (J2000) (mean of member galaxies) (pos.eq.dec;meta.main)
cdist212.9425 Mpc Comoving distance in Mpc/h (mean of member galaxies) (pos.distance)
SizeSky 0.1367 Mpc Maximum projected size (in Mpc/h) (phys.angSize)
sigma268.7 km/s rms radial velocity (velocity dispersion) (stat.stdev;spect.dopplerVeloc)
Rvir0.052 Mpc Virial radius in Mpc/h (phys.size.radius)
Lgal1 2.97e-01 solLum Luminosity of the main galaxy (Note G1)   (phys.luminosity)
Lgalv 6.52e-01 solLum Total observed luminosity of galaxies in the visibility window (Note G1)   (phys.luminosity)
Ltot1 8.24e-01 solLum Estimated total luminosity of the group using param. set 1 (Note G1)   (phys.luminosity)
Ltot2 8.06e-01 solLum Estimated total luminosity of the group using param. set 2 (Note G1)   (phys.luminosity)
  
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