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=241
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ColumnValue  Explain   (UCD)
_RAJ200011 38 21.115 "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+54 00 39.07 "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)
_RAB195011 35 38.101 "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+54 17 16.00 "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)
_Glon144.517161 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+59.947484 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)
241recno 241  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

LGG241  (i) [1,485] Group number (Lyon Group of Galaxies) (meta.id;meta.main)
NameNGC 3631  Group identification with the name of the brightest galaxy in the group (meta.id)
Ngal 8  Number of galaxies in the group (meta.number)
RA195011 35 38.1 "h:m:s" (i) Right Ascension 1950 (pos.eq.ra;meta.main)
DE1950+54 17 16 "d:m:s" (i) Declination 1950 (pos.eq.dec;meta.main)
RV1122 km/s Luminosity-weighted mean radial velocity (phys.veloc;pos.heliocentric)
Fouque UMa N  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)
Tully12-1,12-2  Cross-identification(s) with Tully (1987, Sat. VII/145) (meta.id.cross)
MCL   Cross-identification with Maia et al. (1989ApJS...69..809M) or other (meta.id.cross)

_RA.icrs11 38 21.1 "h:m:s" (i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DE.icrs+54 00 39 "d:m:s" (i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)
  
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