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J/MNRAS/395/255/groups Compact groups of galaxies in SDSS DR6 (McConnachie+, 2009)
Identified compact groups (tables 1 (Catalogue A) and 2 (Catalogue B) of paper) (77088 rows)
  Cat===A, Group=00761
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200014 31 38.800 "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+20 21 51.20 "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)
_RAB195014 29 20.249 "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+20 35 04.72 "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)
_Glon021.876419 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+66.141168 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)
761recno 761  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

CatA   [AB] Catalogue (meta.id;meta.main)
Group00761  Group number (meta.id;meta.main)
RAJ200014 31 38.8 "h:m:s" (i) Geometrical center of group Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+20 21 51.2 "d:m:s" (i) Geometrical center of group Declination (J2000) (pos.eq.dec;meta.main)
Nm4  Number of members in the group (meta.number)
SuBr24.809 mag/arcsec2 Group surface brightness in r band (phot.mag.sb)
Rad 0.64 arcmin Group radius, defined by the Hickson criteria (phys.angSize;pos.lg)
Dist 4.15  Distance to the next nearest non-member galaxy in the galaxy catalogue (Note 1)   (pos.distance;src.class.starGalaxy;meta.table)
rmag16.75 mag Apparent Petrosian magnitude of brightest group galaxy, corrected for foreground Galactic extinction (phot.mag;em.opt.R)
Nz0  Number of galaxies in the group with a spectroscopic redshift (meta.number)
z    Redshift of group (Note 2)   (src.redshift)
Flag    [0/1] Flag indicating if the group contains members which were originally identified as belonging to groups in Catalogue A which were subsequently identified as containing contamination (flag = 1 if true, 0 if false) (meta.code.error)
  
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