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=289
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ColumnValue  Explain   (UCD)
_RAJ200012 29 41.897 "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+12 32 39.55 "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 27 10.001 "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+12 49 14.00 "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)
_Glon282.621602 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+74.552376 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)
289recno 289  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

LGG289  (i) [1,485] Group number (Lyon Group of Galaxies) (meta.id;meta.main)
NameNGC 4486  Group identification with the name of the brightest galaxy in the group (meta.id)
Ngal63  Number of galaxies in the group (meta.number)
RA195012 27 10.0 "h:m:s" (i) Right Ascension 1950 (pos.eq.ra;meta.main)
DE1950+12 49 14 "d:m:s" (i) Declination 1950 (pos.eq.dec;meta.main)
RV1225 km/s Luminosity-weighted mean radial velocity (phys.veloc;pos.heliocentric)
Fouque Virgo I  Cross-identification with Fouque et al. (1992A&AS...93..211F) (meta.id.cross)
GH/HGGH106/HG41  Cross-identification with Geller & Huchra (1983ApJS...52...61G) and Huchra & Geller (1982ApJ...257..423H) (meta.id.cross)
Tully 11- 1  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.icrs12 29 41.9 "h:m:s" (i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DE.icrs+12 32 40 "d:m:s" (i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)
  
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