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=910
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ColumnValue  Explain   (UCD)
_RAJ200019 12 21.338 "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)
_DEJ2000-55 16 18.28 "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)
_RAB195019 08 15.501 "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)
_DEB1950-55 21 21.00 "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)
_Glon341.645781 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-24.895686 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)
910recno 910  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

NOGG 910  Nearby Optical Galaxy (NOG) group number (Note 1)   (meta.id;meta.main)
f_NOGG*   [*+=] See note (Note 2)   (meta.code)
NameIC4837A  Name of the brightest galaxy of the group (meta.id.assoc)
NGal 30  Number of galaxy members of the group (meta.number)
RAB195019 08 15.5 "h:m:s" (i) Median group Right Ascension (B1950) (pos.eq.ra;meta.main)
DEB1950-55 21 21 "d:m:s" (i) Median group Declination (B1950) (pos.eq.dec;meta.main)
cz3014 km/s Median group recession velocity (phys.veloc;em.wl.central;stat.median)
Common   Common name of the group (meta.id)
P1925,916  Percolation algorithm method 1 cross-id (Note 3)   (meta.id)
P2940,933  Percolation algorithm method 2 cross-id (Note 4)   (meta.id)
LGG426,425  Cross-identification with Garcia (1983, Cat. J/A+AS/100/47) (meta.id.cross)
NBGG61-4  Cross-identification with Tully (1987ApJ...321..280T) (meta.id.cross)

_RA.icrs19 12 21.3 "h:m:s" (i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DE.icrs-55 16 18 "d:m:s" (i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)
  
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