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=396
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ColumnValue  Explain   (UCD)
_RAJ200009 09 33.756 "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+54 12 51.91 "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)
_RAB195009 05 56.501 "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+54 25 04.00 "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)
_Glon163.093691 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+41.674927 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)
396recno 396  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

NOGG 396  Nearby Optical Galaxy (NOG) group number (Note 1)   (meta.id;meta.main)
f_NOGG    [*+=] See note (Note 2)   (meta.code)
NameNGC2756  Name of the brightest galaxy of the group (meta.id.assoc)
NGal 2  Number of galaxy members of the group (meta.number)
RAB195009 05 56.5 "h:m:s" (i) Median group Right Ascension (B1950) (pos.eq.ra;meta.main)
DEB1950+54 25 04 "d:m:s" (i) Median group Declination (B1950) (pos.eq.dec;meta.main)
cz4064 km/s Median group recession velocity (phys.veloc;em.wl.central;stat.median)
Common   Common name of the group (meta.id)
P1386  Percolation algorithm method 1 cross-id (Note 3)   (meta.id)
P2 378  Percolation algorithm method 2 cross-id (Note 4)   (meta.id)
LGG   Cross-identification with Garcia (1983, Cat. J/A+AS/100/47) (meta.id.cross)
NBGG   Cross-identification with Tully (1987ApJ...321..280T) (meta.id.cross)

_RA.icrs09 09 33.8 "h:m:s" (i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DE.icrs+54 12 52 "d:m:s" (i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)
  
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