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=7301
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ColumnValue  Explain   (UCD)
_RAJ200012 07 30.875 "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 21 50.01 "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)
_RAB195012 04 56.985 "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)
_DEB1950-04 05 08.13 "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)
_Glon282.654188 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+56.768612 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)
7301recno 7301  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)
RArad181.2374 deg (i) Right ascension of group centre in radians (1950 coordinates) (pos.eq.ra;meta.main)
DErad-04.0856 deg (i) Declination of group centre in radians (1950 coordinates) (pos.eq.dec;meta.main)
z0.1216  Group redshift (src.redshift)
Sep 0.354 Mpc rms projected galaxy separation in Mpc/h (stat.stdev;pos.distance;instr.det.noise)
sigma 310.9 km/s Group velocity dispersion (phys.veloc.dispersion)

_RA.icrs181.87865 deg (i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DE.icrs-04.36389 deg (i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)
  
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