VizieR

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VizieR

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J/A+AS/100/47/table1 Lyon Groups of Galaxies (Garcia 1993)
Group data (485 rows)
  recno=279
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ColumnValue  Explain   (UCD)
_RAJ200012 18 49.068 "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+30 09 39.88 "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 16 18.301 "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+30 26 19.00 "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)
_Glon188.045877 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+82.229725 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)
279recno 279  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

LGG279  (i) [1,485] Group number (Lyon Group of Galaxies) (meta.id;meta.main)
NameNGC 4274  Group identification with the name of the brightest galaxy in the group (meta.id)
Ngal17  Number of galaxies in the group (meta.number)
RA195012 16 18.3 "h:m:s" (i) Right Ascension 1950 (pos.eq.ra;meta.main)
DE1950+30 26 19 "d:m:s" (i) Declination 1950 (pos.eq.dec;meta.main)
RV 847 km/s Luminosity-weighted mean radial velocity (phys.veloc;pos.heliocentric)
Fouque&N4062,N4631  Cross-identification with Fouque et al. (1992A&AS...93..211F) (meta.id.cross)
GH/HGGH94/HG60  Cross-identification with Geller & Huchra (1983ApJS...52...61G) and Huchra & Geller (1982ApJ...257..423H) (meta.id.cross)
Tully 14- 1  Cross-identification(s) with Tully (1987, Sat. VII/145) (meta.id.cross)
MCLComa I  Cross-identification with Maia et al. (1989ApJS...69..809M) or other (meta.id.cross)

_RA.icrs12 18 49.1 "h:m:s" (i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DE.icrs+30 09 40 "d:m:s" (i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)
  
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