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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=21631
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ColumnValue  Explain   (UCD)
_RAJ200010 14 34.27393 "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)
_DEJ2000-00 50 13.1750 "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)
_RAB195010 12 00.89387 "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)
_DEB1950-00 35 17.8303 "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)
_Glon243.01666080 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+43.06229825 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)
21631recno 21631  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 511  Group identification number (Note 1)   (meta.id.parent)
RAJ2000153.642808 deg (i) Galaxy Right Ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
DEJ2000-00.836993 deg (i) Galaxy Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)
z 0.04427  Galaxy redshift (Note 2)   (src.redshift)
rMAG-19.968 mag Galaxy r band absolute magnitude (phys.magAbs)
g-r 0.975 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 9.0 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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