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=1306
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200020 48 32.4609384 "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)
_DEJ2000-08 21 36.647640 "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 45 51.2729826 "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)
_DEB1950-08 32 44.582318 "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)
_Glon038.9652017582 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-29.7944251784 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)
1306recno 1306  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

iGrID 1306  Internal 2MRS or SDSS group ID (meta.id.parent)
RAJ2000312.13525391 deg (i) Right ascension (J2000.0) of the group centre (pos.eq.ra;meta.main)
DEJ2000-08.36017990 deg (i) Declination (J2000.0) of the group centre (pos.eq.dec;meta.main)
z 0.0195200  Redshift of the group centre (CMB-corrected) (src.redshift)
logLtot 11.66914 [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 11.56923 [Lsun] logarithm of the observed luminosity of the group (Note 1)   (phys.luminosity)
logMtot 12.99534 [Msun] logarithm of the total mass of the group (phys.mass)
e_logMtot 0.25930 [Msun] Uncertainty of the total mass (stat.error)
logMstar 10.57472 [Msun] logarithm of the minimal stellar mass (Note 2)   (phys.mass)
NMstar 2  Number of galaxies in the group for which stellar masses are available (meta.number)
logMdyn 9.4686 [Msun] logarithm of the dynamical mass of the group (Note 3)   (phys.mass)
sigma 48.9309 km/s Velocity dispersion of the group (Note 3)   (phys.veloc.dispersion;pos.lg)
Rad 176.1796 kpc Radius of the group (Note 3)   (phys.size.radius;pos.lg)
angRad 0.128728 deg Angular radius of the group (Note 3)   (phys.angSize;pos.lg)
DL 81.5071 Mpc Luminosity distance to the group (redshift based) (pos.distance)
Ntot 3  Total number of galaxies in the group (meta.number)
  
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