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VizieR

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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=10882
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ColumnValue  Explain   (UCD)
_RAJ200013 09 14.38653 "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+62 10 30.2300 "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)
_RAB195013 07 17.97157 "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+62 26 27.8228 "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)
_Glon119.32682545 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+54.82840392 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)
10882recno 10882  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

SampMr20  The R band sample (Note G1)   (src.sample)
Group15970  Group identification number (Note 1)   (meta.id.parent)
RAJ2000197.309944 deg (i) Galaxy Right Ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
DEJ2000+62.175064 deg (i) Galaxy Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)
z 0.02770  Galaxy redshift (Note 2)   (src.redshift)
rMAG-21.153 mag Galaxy r band absolute magnitude (phys.magAbs)
g-r 0.885 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 10.6 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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