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=257
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ColumnValue  Explain   (UCD)
_RAJ200011 52 26.467 "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)
_DEJ2000-04 18 36.51 "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 49 52.901 "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)
_DEB1950-04 01 55.00 "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)
_Glon276.315411 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+55.483077 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)
257recno 257  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

LGG257  (i) [1,485] Group number (Lyon Group of Galaxies) (meta.id;meta.main)
NameNGC 3952  Group identification with the name of the brightest galaxy in the group (meta.id)
Ngal 4  Number of galaxies in the group (meta.number)
RA195011 49 52.9 "h:m:s" (i) Right Ascension 1950 (pos.eq.ra;meta.main)
DE1950-04 01 55 "d:m:s" (i) Declination 1950 (pos.eq.dec;meta.main)
RV1394 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   Cross-identification with Geller & Huchra (1983ApJS...52...61G) and Huchra & Geller (1982ApJ...257..423H) (meta.id.cross)
Tully 22- 9  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 52 26.5 "h:m:s" (i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DE.icrs-04 18 37 "d:m:s" (i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)
  
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