VizieR

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VizieR

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J/A+A/596/A14/grlist_s Group catalogues of the local universe (Saulder+, 2016)
List of groups and their parameters detected in SDSS DR12 (Table A.2) (229893 rows)
  recno=166597
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200014 20 00.2563488 "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+23 06 41.687640 "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 17 42.8051693 "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+23 20 25.209501 "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)
_Glon026.4933409214 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+69.5831255899 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)
166597recno 166597  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

iGrID 166597  (i) Internal 2MRS or SDSS group ID (meta.id.parent)
RAJ2000215.00106812 deg (i) Right ascension (J2000.0) of the group centre (pos.eq.ra;meta.main)
DEJ2000+23.11157990 deg (i) Declination (J2000.0) of the group centre (pos.eq.dec;meta.main)
z 0.0501717  Redshift of the group centre (CMB-corrected) (src.redshift)
logLtot 10.41174 [Lsun] logarithm of the total (extrapolated) luminosity of the group (Note 1)   (phys.luminosity)
e_logLtot 0.16111 [Lsun] Uncertainty of total luminosity (stat.error)
logLobs 10.34895 [Lsun] logarithm of the observed luminosity of the group (Note 1)   (phys.luminosity)
logMtot 12.14912 [Msun] logarithm of the total mass of the group (phys.mass)
e_logMtot 0.26056 [Msun] Uncertainty of the total mass (stat.error)
logMstar 10.84240 [Msun] logarithm of the minimal stellar mass (Note 2)   (phys.mass)
NMstar 1  Number of galaxies in the group for which stellar masses are available (meta.number)
logMdyn  [Msun] logarithm of the dynamical mass of the group (Note 3)   (phys.mass)
sigma  km/s Velocity dispersion of the group (Note 3)   (phys.veloc.dispersion;pos.lg)
Rad  kpc Radius of the group (Note 3)   (phys.size.radius;pos.lg)
angRad  deg Angular radius of the group (Note 3)   (phys.angSize;pos.lg)
DL 214.8645 Mpc Luminosity distance to the group (redshift based) (pos.distance)
Ntot 1  Total number of galaxies in the group (meta.number)

Dist   Display all distances (meta.ref.url)
  
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