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=437
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ColumnValue  Explain   (UCD)
_RAJ200020 33 07.653 "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)
_DEJ2000-31 51 07.32 "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)
_RAB195020 30 01.001 "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)
_DEB1950-32 01 23.00 "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)
_Glon011.353983 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-34.413644 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)
437recno 437  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

LGG437  (i) [1,485] Group number (Lyon Group of Galaxies) (meta.id;meta.main)
NameNGC 6925  Group identification with the name of the brightest galaxy in the group (meta.id)
Ngal 4  Number of galaxies in the group (meta.number)
RA195020 30 01.0 "h:m:s" (i) Right Ascension 1950 (pos.eq.ra;meta.main)
DE1950-32 01 23 "d:m:s" (i) Declination 1950 (pos.eq.dec;meta.main)
RV2846 km/s Luminosity-weighted mean radial velocity (phys.veloc;pos.heliocentric)
Fouque   Cross-identification with Fouque et al. (1992A&AS...93..211F) (meta.id.cross)
GH/HG HG23  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.icrs20 33 07.7 "h:m:s" (i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DE.icrs-31 51 07 "d:m:s" (i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)
  
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