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=202
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ColumnValue  Explain   (UCD)
_RAJ200003 37 33.496 "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 20 54.38 "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)
_RAB195003 35 21.001 "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 30 42.00 "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)
_Glon213.494125 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-51.862595 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)
202recno 202  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

NOGG 202  Nearby Optical Galaxy (NOG) group number (Note 1)   (meta.id;meta.main)
f_NOGG    [*+=] See note (Note 2)   (meta.code)
NameNGC1398  Name of the brightest galaxy of the group (meta.id.assoc)
NGal 48  Number of galaxy members of the group (meta.number)
RAB195003 35 21.0 "h:m:s" (i) Median group Right Ascension (B1950) (pos.eq.ra;meta.main)
DEB1950-21 30 42 "d:m:s" (i) Median group Declination (B1950) (pos.eq.dec;meta.main)
cz1578 km/s Median group recession velocity (phys.veloc;em.wl.central;stat.median)
CommonEridanus  Common name of the group (meta.id)
P1199  Percolation algorithm method 1 cross-id (Note 3)   (meta.id)
P2 207,211  Percolation algorithm method 2 cross-id (Note 4)   (meta.id)
LGG97,100,105  Cross-identification with Garcia (1983, Cat. J/A+AS/100/47) (meta.id.cross)
NBGG51-4,51-8  Cross-identification with Tully (1987ApJ...321..280T) (meta.id.cross)

_RA.icrs03 37 33.5 "h:m:s" (i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DE.icrs-21 20 54 "d:m:s" (i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)
  
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