VizieR

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VizieR

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J/MNRAS/348/866/2dfngpgr 2dFGRS Percolation-Inferred Galaxy Group (2PIGG) (Eke+, 2004)
Group properties in the NGP (download the corresponding mock catalog) (11920 rows)
  recno=4020
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ColumnValue  Explain   (UCD)
_RAJ200013 18 32.033 "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)
_DEJ2000-04 01 31.28 "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 15 56.766 "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)
_DEB1950-03 45 45.41 "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)
_Glon315.821760 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+58.166659 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)
4020recno 4020  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

Nmemb 2   [1/500] Unweighted number of members (meta.number)
RArad198.9865 deg (i) Right ascension of group centre in radians (1950 coordinates) (pos.eq.ra;meta.main)
DErad-03.7626 deg (i) Declination of group centre in radians (1950 coordinates) (pos.eq.dec;meta.main)
z0.0842  Group redshift (src.redshift)
Sep 0.305 Mpc rms projected galaxy separation in Mpc/h (stat.stdev;pos.distance;instr.det.noise)
sigma 0.0 km/s Group velocity dispersion (phys.veloc.dispersion)

_RA.icrs199.63347 deg (i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DE.icrs-04.02535 deg (i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)
  
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