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=286
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ColumnValue  Explain   (UCD)
_RAJ200012 27 59.569 "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 49 22.66 "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 25 27.601 "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+13 05 58.00 "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)
_Glon280.794742 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+74.678027 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)
286recno 286  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

LGG286  (i) [1,485] Group number (Lyon Group of Galaxies) (meta.id;meta.main)
NameNGC 4461  Group identification with the name of the brightest galaxy in the group (meta.id)
Ngal 7  Number of galaxies in the group (meta.number)
RA195012 25 27.6 "h:m:s" (i) Right Ascension 1950 (pos.eq.ra;meta.main)
DE1950+13 05 58 "d:m:s" (i) Declination 1950 (pos.eq.dec;meta.main)
RV1780 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/HG GH106  Cross-identification with Geller & Huchra (1983ApJS...52...61G) and Huchra & Geller (1982ApJ...257..423H) (meta.id.cross)
Tully   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 27 59.6 "h:m:s" (i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DE.icrs+12 49 23 "d:m:s" (i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)
  
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