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Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  SDSS DR7 groups of galaxies (Tago+, 2010)
Post annotation
1.J/A+A/514/A102/table2a(c)DR7 flux-limited groups (78800 rows)
2.J/A+A/514/A102/table2b(c)DR7 flux-limited Mr < -18 groups (5463 rows)
3.J/A+A/514/A102/table2c(c)DR7 flux-limited Mr < -19 groups (12590 rows)
4.J/A+A/514/A102/table2d(c)DR7 flux-limited Mr < -20 groups (18973 rows)
5.J/A+A/514/A102/table2e(c)DR7 flux-limited Mr < -21 groups (9139 rows)
6.J/A+A/514/A102/table2f(c)DR7 flux-limited galaxies (583362 rows)
7.J/A+A/514/A102/table2g(c)DR7 volume-limited Mr < -18 galaxies (40665 rows)
8.J/A+A/514/A102/table2h(c)DR7 volume-limited Mr < -19 galaxies (94912 rows)
9.J/A+A/514/A102/table2i(c)DR7 volume-limited Mr < -20 galaxies (148195 rows)
10.J/A+A/514/A102/table2j(c)DR7 volume-limited Mr < -21 galaxies (103978 rows)
Help Xmatch is

Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
   (ALL)Group  Group identification number (
   (ALL)Ngal  Richness (number of member galaxies) (meta.number)
   (ALL)RAJ2000 deg (i) Right Ascension (mean of member galaxies), J2000 (pos.eq.ra;meta.main)
   (ALL)DEJ2000 deg (i) Declination (mean of member galaxies), J2000 (pos.eq.dec;meta.main)
   (ALL)Dist Mpc Comoving distance (mean of member galaxies) (Note G1)   (pos.distance)
  (1+2+3+4+5)Size Mpc Maximum projected linear size (Note G1)   (phys.size)
  (1+2+3+4+5)dispD Mpc rms deviation of projected distance (Note G1)   (stat.error)
  (1+2+3+4+5)dispV km/s rms radial velocity (stat.error)
  (1+2+3+4+5)Rvir Mpc Virial radius (projected harmonic mean) (Note G1)   (phys.size.radius)
   (ALL)w  Luminosity weight (stat.weight)

ALL cols
 (i)indexed column
  (1+2+3+4+5)Lobs 10+10LsunObserved total group luminosity (Note G1)   (phys.luminosity)
  (6+7+8+9+10)uMAG mag Absolute u magnitude (phys.magAbs)
  (6+7+8+9+10)gMAG mag Absolute g magnitude (phys.magAbs)
  (6+7+8+9+10)rMAG mag Absolute r magnitude (phys.magAbs)
  (6+7+8+9+10)iMAG mag Absolute i magnitude (phys.magAbs)
  (6+7+8+9+10)zMAG mag Absolute z magnitude (phys.magAbs)
  (6+7+8+9+10)Lr 10+10LsunLuminosity in r band (1010/h2) (Note G1)   (phys.luminosity)

ALL cols
 (i)indexed column
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usage  Display UCD1+    UCD1  
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