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J/ApJS/130/237
  LCRS loose groups of galaxies (Tucker+, 2000)
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img(gal)
1.J/ApJS/130/237/table1(c)LCRS Groups Catalogue (1495 rows)
2.J/ApJS/130/237/table3(c)LCRS Group Members (7621 rows)
3.J/ApJS/130/237/table7(c)LCRS Group-Abell Cluster Matches (54 rows)
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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)SubG (char) [a-f] Group subdivision (Note G1)   (meta.id.part;meta.main)
   (ALL)Group  Group identification (meta.id)
  (1)f_Group (char) [*] Flag indicates group is a member of the clean sample (meta.code)
  (1+2)RAB1950 "h:m:s" (i) Group barycenter Right Ascension (B1950) (pos.eq.ra;meta.main)
  (1+2)DEB1950 "d:m:s" (i) Group barycenter Declination (1950) (pos.eq.dec;meta.main)
   (ALL)z  Group redshift (Note 1)   (src.redshift)
  (1+2)LOS km/s Group line-of-sight velocity dispersion (phys.veloc.dispersion)
  (1)e_LOS km/s Formal standard error in LOS (stat.error)
  (1)NLCRS  Observed number of LCRS galaxies comprising the group (Note 2)   (meta.number)
  (1)RadP Mpc The mean pairwise separation, in Mpc/h (Note 3)   (pos.distance;phys.size;stat.mean)

ALL cols
    
 (i)indexed column
  (1)e_RadP Mpc Estimated rms error in RadP, in Mpc/h (Note 3)   (stat.error)
  (1)RadH Mpc The harmonic radius, in Mpc/h (Note 3)   (phys.size.radius)
  (1)e_RadH Mpc Estimated rms error in RadH, in Mpc/h (Note 3)   (stat.error)
  (1)CTime  The crossing time as a fraction of the Hubble time (H0), in H0–1 (time.crossing)
  (1)e_CTime  The estimated rms error CTime as a fraction of the Hubble time (H0), in H0–1 (stat.error)
  (1)MVir solMass Group's virial mass, in solMass/h (Note 3)   (phys.mass)
  (1)e_MVir solMass The estimated rms error in MVir, in solMass/h (Note 3)   (stat.error)
  (1)RLum solLum Total group LCRS R-band luminosity, in solLum/h2 (Note 3)   (phys.luminosity)
  (1)e_RLum solLum The estimated rms error RLum, solLum/h2 (Note 3)   (stat.error)
  (1)LRat  Ratio by which the sum of the luminosities of NLCRS must be multiplied to obtain an estimate of the RLum. (phys.luminosity;arith.ratio)
  (1)M/L Sun Group mass-to-light ratio in LCRS R-band, in h.solMass/solLum (Note 3)   (phys.composition.massLightRatio)
  (1)e_M/L Sun The estimated rms error in M/L, in h.solMass/solLum (Note 3)   (stat.error)
  (1)CAbell  Group's Abell counts estimate (Note 4)   (meta.number)

ALL cols
    
 (i)indexed column
  (1)e_CAbell  Estimated rms error in CAbell (Note 5)   (stat.error)
  (1)GType  The type of group (Note 6)   (meta.code)
  (1)RNotes (char) Applicable table notes (Note 7)   (meta.code)
   (ALL)_RA.icrs "h:m:s" (n)(i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
   (ALL)_DE.icrs "d:m:s" (n)(i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)
  (2)MemID  Group member identification number (meta.id.part;meta.main)
  (2)Rmag mag Isophotal R-band magnitude (phot.mag;em.opt.R)
  (2)Cenmag mag The 2-pixel-radius central magnitude (Note 1)   (phot.mag)
  (2)HVel km/s Heliocentric velocity (spect.dopplerVeloc;pos.heliocentric)
  (2)Type (char) Type of spectrum (Note 2)   (meta.note)
  (3)n_Group (char) [a] Note on Group (Note 1)   (meta.note)
  (3)RA1950 "h:m:s" (i) Group right ascension (1950.0) (pos.eq.ra;meta.main)
  (3)DE1950 "d:m:s" (i) Group declination (1950.0) (pos.eq.dec;meta.main)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (3)Nobs  Observed number of galaxies from the LCRS official spectroscopic sample that lie within the group (meta.number)
  (3)Cgrp  Estimate of the group Abell richness (src.class.richness;pos.lg)
  (3)e_Cgrp  rms uncertainty on Cgrp (stat.error)
  (3)Abell (char) Name of the Abell cluster match to the group (meta.id.cross)
  (3)RAA "h:m:s" Abell cluster's right ascension (1950.0) (pos.eq.ra)
  (3)DEA "d:m:s" Abell cluster's declination (1950.0) (pos.eq.dec)
  (3)zA  (n) Abell cluster's redshift (phys.veloc;pos.heliocentric)
  (3)r_zA (char) Reference for Abell cluster's redshift (Note 2)   (meta.ref;pos.frame)
  (3)RA  (n) Abell cluster's richness class (src.class.richness)
  (3)DA  (n) Abell cluster's distance class (src.class.distance)
  (3)CA  Abell cluster's Abell counts, as measured by ACO (meta.number)
  (3)Sep arcmin Angular separation between the measured group center and the Abell cluster center as reported by ACO (Note 3)   (pos.angDistance)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
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