| Column | Description |
|---|
| pgc | PGC number of dominant member of group |
| Nest | Group ID from 2MASS catallog of Tully(2015) |
| NDg | Number of galaxies with measured distances in group |
| DMg | Group uminosity distance modulus; weighted average of group members |
| eDg | Fractional error in distance at 1sigma level |
| Dg | Group luminosity distance (weighted average if more than one source) |
| DBGc | Hoffman et al. (2021) BGc model group luminosity distance |
| NVg | Number of galaxies with measured velocities in group |
| Glong | Galactic longitude of group |
| Glatg | Galactic latitude of group |
| SGLg | Supergalactic longitude of group |
| SGBg | Supergalactic latitude of group |
| lgLgp | Log summed K luminosity of group, adjusted by correction factor for lost light; assumed distance is Vmgp/75 |
| cf | Luminosity selection function correction factor |
| sigp | Projected velocity dispersion anticipated by corrected luminosity |
| R2t | Projected second turnaround radius anticipated by corrected intrinsic luminosity; assumed distance is Vmgp/75 |
| Vhgp | Group heliocentric velocity |
| Vggp | Group velocity in Galactic standard of rest (circular velocity at Sun of 239 km/s; total velocity 251 km/s toward l=90,b=0) |
| Vlsgp | Group velocity in Local Sheet standard of rest (Tully et al. 2008) |
| Vcgp | Group velocity in CMB standard of rest (Fixsen et al. 1996) |
| fmod | Cosmological correction to velocity with Omega_matter=0.27 and Omega_Lambda=0.73 |
| VBGc | Peculiar velocity given by BGc model (Hoffman et al. 2021) |
| Vrms | Group r.m.s. velocity dispersion |
| bwMass12 | Group mass (x10^12) from virial theorem with bi-weight dispersion and radius parameters; assumed distance is Vmgp/75 |
| L_Mass12 | Group mass (x10^12) based on corrected intrinsic luminosity and M/L prescription; assumed distance is Vmgp/75 |
| LDC | Crook et al. (2007) low density group ID |
| HDC | Crook et al. (2007) high density group ID |
| 2M++ | Group ID from 2MASS++ catalog of Lavaux & Hudson (2011) |
| MKgp | Makarov & Karachentsev (2011, MNRAS 412, 2498) group ID |
| Icnt | Internal group ID |
| SGXg | Supergalactic X distance from origin assuming distance Dg |
| SGYg | Supergalactic Y distance from origin assuming distance Dg |
| SGZg | Supergalactic Z distance from origin assuming distance Dg |
| Abell | Abell cluster ID; ASxxx are from southern supplement list |
| GroupName | Alternate name for group or cluster |