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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= 8628, F=N
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200012 13 03.541 "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+60 25 33.47 "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 10 35.888 "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+60 42 13.86 "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)
_Glon131.406138 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+56.066368 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)
25771recno 25771  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
FN  E or N groups (required to identify a group) (obs.field)

Group 8628  (i) Group identification number (meta.id;meta.main)
Ngal 4  Richness (number of member galaxies) (linked to galaxies in the group) (src.class.richness)
RAJ2000183.2648 deg (i) Right Ascension in decimal degrees, J2000 (mean of member galaxies) (pos.eq.ra;meta.main)
DEJ2000+60.4260 deg (i) Declination in decimal degrees, J2000 (mean of member galaxies) (pos.eq.dec;meta.main)
Dist 179.63 Mpc Comoving distance (mean of member galaxies corrected for CMB), in Mpc/h (pos.distance)
Size 0.7955 Mpc Maximum projected linear size, in Mpc/h (phys.size)
sigma 115.84 km/s rms radial velocity (velocity dispersion) (stat.stdev;spect.dopplerVeloc)
Rvir0.3642 Mpc Virial radius (projected harmonic mean), in Mpc/h (phys.size.radius)
Lmain 1.0496 10+10solLum Luminosity of main galaxy (Note 1)   (phys.luminosity)
LgrObs 2.861 10+10solLum Observed total group luminosity (Note 1)   (phys.luminosity)
LgrEst 3.680 10+10solLum Estimated total group luminosity (Note 1)   (phys.luminosity)
  
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