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=4519
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200002 34 24.5132448 "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)
_DEJ2000-10 50 37.427892 "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)
_RAB195002 31 58.7687770 "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)
_DEB1950-11 03 43.906938 "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)
_Glon183.9826172258 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-60.8244785443 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)
4519recno 4519  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

iGrID 4519  Internal 2MRS or SDSS group ID (meta.id.parent)
RAJ2000038.60213852 deg (i) Right ascension (J2000.0) of the group centre (pos.eq.ra;meta.main)
DEJ2000-10.84372997 deg (i) Declination (J2000.0) of the group centre (pos.eq.dec;meta.main)
z 0.0144940  Redshift of the group centre (CMB-corrected) (src.redshift)
logLtot 11.31012 [Lsun] logarithm of the total (extrapolated) luminosity of the group (Note 1)   (phys.luminosity)
e_logLtot 0.64099 [Lsun] Uncertainty of total luminosity (stat.error)
logLobs 11.25273 [Lsun] logarithm of the observed luminosity of the group (Note 1)   (phys.luminosity)
logMtot 12.76951 [Msun] logarithm of the total mass of the group (phys.mass)
e_logMtot 0.25930 [Msun] Uncertainty of the total mass (stat.error)
logMstar 9.30333 [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 10.6057 [Msun] logarithm of the dynamical mass of the group (Note 3)   (phys.mass)
sigma 143.2336 km/s Velocity dispersion of the group (Note 3)   (phys.veloc.dispersion;pos.lg)
Rad 281.9206 kpc Radius of the group (Note 3)   (phys.size.radius;pos.lg)
angRad 0.275820 deg Angular radius of the group (Note 3)   (phys.angSize;pos.lg)
DL 60.2724 Mpc Luminosity distance to the group (redshift based) (pos.distance)
Ntot 4  Total number of galaxies in the group (meta.number)
  
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