VizieR

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VizieR

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J/ApJ/543/178/table2 Nearby Optical Galaxy (NOG) sample (Giuricin+, 2000)
Galaxy Members of the Hierarchical (H) Catalog of Groups (4404 rows)
  recno=9
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ColumnValue  Explain   (UCD)
_RAJ200000 09 32.837 "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+33 18 34.45 "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)
_RAB195000 06 57.501 "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+33 01 53.00 "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)
_Glon112.954352 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-28.749283 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)
9recno 9  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

NOGG 3  Nearby Optical Galaxy (NOG) group number (Note 1)   (meta.id.parent)
PGCGalPGC0000679  Name of galaxy member of the group, from Gourgoulhon et al. (1992A&A...255...69G) & Fouque et al. (1992A&AS...93..211F) (Note 2)   (meta.id;meta.main)
NameGalNGC20  Other name of "PGCGal" galaxy member (meta.id)
RAB195000 06 57.5 "h:m:s" (i) Galaxy member right Ascension (B1950) (pos.eq.ra;meta.main)
DEB1950+33 01 53 "d:m:s" (i) Galaxy member declination (B1950) (pos.eq.dec;meta.main)
cz5217 km/s Velocity (in Local Group Frame) (phys.veloc)
r_czL  Velocity reference (Note 3)   (meta.ref;pos.frame)
Bmag13.81 mag Corrected B band magnitude (phot.mag;em.opt.B)
r_BmagL  B magnitude reference (Note 4)   (meta.ref;pos.frame)

_RA.icrs00 09 32.8 "h:m:s" (i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DE.icrs+33 18 34 "d:m:s" (i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)
  
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