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VizieR

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J/A+A/514/A102/table2f SDSS DR7 groups of galaxies (Tago+, 2010)
DR7 flux-limited galaxies (583362 rows)
  recno=100543
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200011 30 12.8844 "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+24 10 10.708 "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)
_RAB195011 27 35.0434 "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+24 26 43.371 "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)
_Glon217.5835741 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+71.4788221 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)
100543recno 100543  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

Group 30520  Group ID number (meta.id)
Ngal 3  Group richness (meta.number)
RAJ2000172.55368 deg (i) Right Ascension (J2000.0) (pos.eq.ra;meta.main)
DEJ2000+24.16964 deg (i) Declination (J2000.0) (pos.eq.dec;meta.main)
Dist 72.83 Mpc Co-moving distance corrected for CMB (Note G1)   (pos.distance)
uMAG-18.04 mag Absolute u magnitude (phys.magAbs)
gMAG-19.89 mag Absolute g magnitude (phys.magAbs)
rMAG-20.65 mag Absolute r magnitude (phys.magAbs)
iMAG-21.01 mag Absolute i magnitude (phys.magAbs)
zMAG-21.27 mag Absolute z magnitude (phys.magAbs)
w 1.068  Luminosity weight (stat.weight)
Lr 1.18 10+10Lsun Luminosity in r band (1010/h2) (Note G1)   (phys.luminosity)
  
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