VizieR

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VizieR

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J/ApJ/543/178/table7 Nearby Optical Galaxy (NOG) sample (Giuricin+, 2000)
Catalog of the Percolation (P2) Groups (1128 rows)
  NOGG=148
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ColumnValue  Explain   (UCD)
_RAJ200002 22 31.303 "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)
_DEJ2000-21 01 44.30 "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)
_RAB195002 20 12.501 "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)
_DEB1950-21 15 22.00 "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)
_Glon201.496252 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-68.371464 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)
148recno 148  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

NOGG 148  Nearby Optical Galaxy (NOG) group number (Note 1)   (meta.id;meta.main)
f_NOGG    [*+=] See note (Note 2)   (meta.code)
NameNGC908  Name of the brightest galaxy of the group (meta.id.assoc)
NGal 6  Number of galaxy members of the group (meta.number)
RAB195002 20 12.5 "h:m:s" (i) Median group Right Ascension (B1950) (pos.eq.ra;meta.main)
DEB1950-21 15 22 "d:m:s" (i) Median group Declination (B1950) (pos.eq.dec;meta.main)
cz1596 km/s Median group recession velocity (phys.veloc;em.wl.central;stat.median)
Common   Common name of the group (meta.id)
P1145  Percolation algorithm method 1 cross-id (Note 3)   (meta.id)
P2 158  Percolation algorithm method 2 cross-id (Note 4)   (meta.id)
LGG56  Cross-identification with Garcia (1983, Cat. J/A+AS/100/47) (meta.id.cross)
NBGG52-6  Cross-identification with Tully (1987ApJ...321..280T) (meta.id.cross)

_RA.icrs02 22 31.3 "h:m:s" (i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DE.icrs-21 01 44 "d:m:s" (i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)
  
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