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J/ApJS/167/1/table4 Galaxy groups and clusters from SDSS (Berlind+, 2006)
Member Galaxies of Groups and Clusters for Samples Mr20, Mr19, and Mr18 (44554 rows)
  recno=24943
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ColumnValue  Explain   (UCD)
_RAJ200021 57 21.97827 "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)
_DEJ2000-07 51 24.8690 "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)
_RAB195021 54 43.37620 "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)
_DEB1950-08 05 43.9442 "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)
_Glon049.72826164 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-44.56012479 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)
24943recno 24943  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

SampMr19  The R band sample (Note G1)   (src.sample)
Group 4634  Group identification number (Note 1)   (meta.id.parent)
RAJ2000329.341576 deg (i) Galaxy Right Ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
DEJ2000-07.856908 deg (i) Galaxy Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)
z 0.05535  Galaxy redshift (Note 2)   (src.redshift)
rMAG-19.530 mag Galaxy r band absolute magnitude (phys.magAbs)
g-r 0.802 mag Galaxy (g-r) color index (phot.color;em.opt.B;em.opt.R)
f_z0   [0/1] Fiber collision flag (Note 3)   (meta.code)
Redge 52.5 Mpc Perpendicular distance of galaxy from the survey edge (in h–1 Mpc) (pos.distance)

SDSSSDSS  Display the SDSS data (meta.ref.url)
  
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