VizieR

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VizieR

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J/A+A/566/A1/groups Flux- and volume-limited groups for SDSS galaxies (Tempel+, 2014)
Flux limited groups (82458 rows)
  recno=49580
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ColumnValue  Explain   (UCD)
_RAJ200014 22 47.0091 "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+26 56 28.909 "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 20 33.0036 "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+27 10 05.360 "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)
_Glon037.6575560 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+69.6862450 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)
49580recno 49580  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

GroupID 49580  (i) [1/82458] Group/cluster ID (linked to galaxies in this group ) (meta.id;meta.main)
Ngal 2   [2/849] Richness (meta.number)
RAJ2000215.69587 deg (i) Right ascension of group centre (J2000) (pos.eq.ra;meta.main)
DEJ2000+26.94136 deg (i) Declination of group centre (J2000) (pos.eq.dec;meta.main)
zcmb 0.06499  CMB-corrected redshift of group (src.redshift)
Dist.c192.244 Mpc Comoving distance to group center (Note G1)   (pos.distance)
sig.v 27.8 km/s rms radial velocity deviation σV (phys.veloc.dispersion)
sig.sky 0.1004 Mpc rms deviation of the projected distance in the sky from group center σsky (Note G1)   (phys.angSize)
Rvir 0.2841 Mpc Virial radius (projected harmonic mean) (Note G1)   (phys.size.radius)
Rmax 0.1422 Mpc Maximum radius of the group (Note G1)   (phys.size.radius)
MNFW 2.47e-01 10+12Msun Mass (NFW profile) (Note G1)   (phys.mass)
MHer 2.47e-01 10+12Msun Mass (Hernquist profile) (Note G1)   (phys.mass)
Lrgroup 1.16e+00 10+10Lsun Observed luminosity (Note G1)   (phys.luminosity)
w 1.261489   [1/9] Weight factor for the group (Note 2)   (phys.atmol.weight)
Den1 27.433  Environment density: 1Mpc/h (Note G2)   (phys.density)
Den2 9.522  Environment density: 2Mpc/h (Note G2)   (phys.density)
Den4 2.829  Environment density: 4Mpc/h (Note G2)   (phys.density)
Den8 1.381  Environment density: 8Mpc/h (Note G2)   (phys.density)
  
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