VizieR

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VizieR

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J/A+A/596/A14/grlist_2 Group catalogues of the local universe (Saulder+, 2016)
List of groups and their parameters detected in 2MRS (Table A.1) (31506 rows)
  recno=1113
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200020 33 06.1083984 "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)
_DEJ2000-02 01 38.963640 "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 30.3772069 "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)
_DEB1950-02 11 55.236203 "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)
_Glon043.2352072954 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-23.4447367356 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)
1113recno 1113  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

iGrID 1113  Internal 2MRS or SDSS group ID (meta.id.parent)
RAJ2000308.27545166 deg (i) Right ascension (J2000.0) of the group centre (pos.eq.ra;meta.main)
DEJ2000-02.02748990 deg (i) Declination (J2000.0) of the group centre (pos.eq.dec;meta.main)
z 0.0189875  Redshift of the group centre (CMB-corrected) (src.redshift)
logLtot 11.98146 [Lsun] logarithm of the total (extrapolated) luminosity of the group (Note 1)   (phys.luminosity)
e_logLtot 0.21497 [Lsun] Uncertainty of total luminosity (stat.error)
logLobs 11.88739 [Lsun] logarithm of the observed luminosity of the group (Note 1)   (phys.luminosity)
logMtot 13.61889 [Msun] logarithm of the total mass of the group (phys.mass)
e_logMtot 0.14043 [Msun] Uncertainty of the total mass (stat.error)
logMstar  [Msun] logarithm of the minimal stellar mass (Note 2)   (phys.mass)
NMstar 0  Number of galaxies in the group for which stellar masses are available (meta.number)
logMdyn 11.3140 [Msun] logarithm of the dynamical mass of the group (Note 3)   (phys.mass)
sigma 216.9832 km/s Velocity dispersion of the group (Note 3)   (phys.veloc.dispersion;pos.lg)
Rad 627.6524 kpc Radius of the group (Note 3)   (phys.size.radius;pos.lg)
angRad 0.471168 deg Angular radius of the group (Note 3)   (phys.angSize;pos.lg)
DL 79.2491 Mpc Luminosity distance to the group (redshift based) (pos.distance)
Ntot 8  Total number of galaxies in the group (meta.number)
  
elapse time 1

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