| 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=20202 |
| Column | Value | Explain (UCD) | |
| _RAJ2000 | 03 40 18.9266976 | "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 | -15 31 48.685692 | "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) |
| _RAB1950 | 03 38 00.4255879 | "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 | -15 41 26.528154 | "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) |
| _Glon | 205.2724014486 | 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 | -49.2117148246 | 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) |
| 20202recno | 20202 | Record number assigned by the VizieR team. Should Not be used for identification. (meta.record) | |
| iGrID | 20202 | Internal 2MRS or SDSS group ID (meta.id.parent) | |
| RAJ2000 | 055.07886124 | deg | (i) Right ascension (J2000.0) of the group centre (pos.eq.ra;meta.main) |
| DEJ2000 | -15.53019047 | deg | (i) Declination (J2000.0) of the group centre (pos.eq.dec;meta.main) |
| z | 0.0049552 | Redshift of the group centre (CMB-corrected) (src.redshift) | |
| logLtot | 9.46110 | [Lsun] | logarithm of the total (extrapolated) luminosity of the group (Note 1) (phys.luminosity) |
| e_logLtot | 0.54891 | [Lsun] | Uncertainty of total luminosity (stat.error) |
| logLobs | 9.45168 | [Lsun] | logarithm of the observed luminosity of the group (Note 1) (phys.luminosity) |
| logMtot | 11.17519 | [Msun] | logarithm of the total mass of the group (phys.mass) |
| e_logMtot | 0.34011 | [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 | [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 | 20.4461 | Mpc | Luminosity distance to the group (redshift based) (pos.distance) |
| Ntot | 1 | Total number of galaxies in the group (meta.number) | |
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