VizieR

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VizieR

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J/ApJ/543/178/table5 Nearby Optical Galaxy (NOG) sample (Giuricin+, 2000)
Catalog of the Hierarchical (H) Groups (1093 rows)
  NOGG=158
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ColumnValue  Explain   (UCD)
_RAJ200002 21 56.657 "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 42.84 "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 19 37.801 "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)
_Glon201.364579 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-68.497219 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)
158recno 158  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

NOGG 158  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 19 37.8 "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)
P2148  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 21 56.7 "h:m:s" (i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DE.icrs-21 01 43 "d:m:s" (i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)
  
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