VizieR

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VizieR

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J/ApJ/543/178/table6 Nearby Optical Galaxy (NOG) sample (Giuricin+, 2000)
Catalog of the Percolation (P1) Groups (1112 rows)
  NOGG=643
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ColumnValue  Explain   (UCD)
_RAJ200012 29 53.492 "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+13 09 03.66 "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 27 21.701 "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+13 25 38.00 "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)
_Glon282.046856 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+75.142069 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)
643recno 643  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

NOGG 643  Nearby Optical Galaxy (NOG) group number (Note 1)   (meta.id;meta.main)
f_NOGG=   [*+=] See note (Note 2)   (meta.code)
NameNGC4486  Name of the brightest galaxy of the group (meta.id.assoc)
NGal159  Number of galaxy members of the group (meta.number)
RAB195012 27 21.7 "h:m:s" (i) Median group Right Ascension (B1950) (pos.eq.ra;meta.main)
DEB1950+13 25 38 "d:m:s" (i) Median group Declination (B1950) (pos.eq.dec;meta.main)
cz 973 km/s Median group recession velocity (phys.veloc;em.wl.central;stat.median)
CommonVirgoA  Common name of the group (meta.id)
P1622  Percolation algorithm method 1 cross-id (Note 3)   (meta.id)
P2654  Percolation algorithm method 2 cross-id (Note 4)   (meta.id)
LGG289,292,285,286  Cross-identification with Garcia (1983, Cat. J/A+AS/100/47) (meta.id.cross)
NBGG11-1  Cross-identification with Tully (1987ApJ...321..280T) (meta.id.cross)

_RA.icrs12 29 53.5 "h:m:s" (i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DE.icrs+13 09 04 "d:m:s" (i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)
  
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