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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=25092, F=N
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200007 40 55.807 "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+43 00 58.67 "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)
_RAB195007 37 25.370 "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+43 07 58.80 "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)
_Glon176.057723 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+26.776369 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)
42235recno 42235  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)

Group25092  (i) Group identification number (meta.id;meta.main)
Ngal 10  Richness (number of member galaxies) (linked to galaxies in the group) (src.class.richness)
RAJ2000115.2325 deg (i) Right Ascension in decimal degrees, J2000 (mean of member galaxies) (pos.eq.ra;meta.main)
DEJ2000+43.0163 deg (i) Declination in decimal degrees, J2000 (mean of member galaxies) (pos.eq.dec;meta.main)
Dist 248.34 Mpc Comoving distance (mean of member galaxies corrected for CMB), in Mpc/h (pos.distance)
Size 1.3625 Mpc Maximum projected linear size, in Mpc/h (phys.size)
sigma 279.61 km/s rms radial velocity (velocity dispersion) (stat.stdev;spect.dopplerVeloc)
Rvir0.2947 Mpc Virial radius (projected harmonic mean), in Mpc/h (phys.size.radius)
Lmain 2.2749 10+10solLum Luminosity of main galaxy (Note 1)   (phys.luminosity)
LgrObs 12.059 10+10solLum Observed total group luminosity (Note 1)   (phys.luminosity)
LgrEst 17.319 10+10solLum Estimated total group luminosity (Note 1)   (phys.luminosity)
  
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