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VizieR

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J/A+A/479/927/groups Group of galaxies in SDSS 5 (Tago+, 2008)
Groups of galaxies (tables 3a and 3b of paper, dr5Egr + dr5Ngr) (50362 rows)
  Group=16502, F=E
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200012 16 20.219 "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+14 14 54.98 "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 13 47.580 "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+14 31 34.74 "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)
_Glon268.750633 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+74.740367 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)
16502recno 16502  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
FE  E or N groups (required to identify a group) (obs.field)

Group16502  (i) Group identification number (meta.id;meta.main)
Ngal 9  Richness (number of member galaxies) (linked to galaxies in the group) (src.class.richness)
RAJ2000184.0842 deg (i) Right Ascension in decimal degrees, J2000 (mean of member galaxies) (pos.eq.ra;meta.main)
DEJ2000+14.2486 deg (i) Declination in decimal degrees, J2000 (mean of member galaxies) (pos.eq.dec;meta.main)
Dist 72.35 Mpc Comoving distance (mean of member galaxies corrected for CMB), in Mpc/h (pos.distance)
Size 0.5357 Mpc Maximum projected linear size, in Mpc/h (phys.size)
sigma 260.92 km/s rms radial velocity (velocity dispersion) (stat.stdev;spect.dopplerVeloc)
Rvir0.0530 Mpc Virial radius (projected harmonic mean), in Mpc/h (phys.size.radius)
Lmain 0.3938 10+10solLum Luminosity of main galaxy (Note 1)   (phys.luminosity)
LgrObs 0.882 10+10solLum Observed total group luminosity (Note 1)   (phys.luminosity)
LgrEst 2.493 10+10solLum Estimated total group luminosity (Note 1)   (phys.luminosity)
  
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