| Column | Description |
| pgc | PGC number |
| Nest | 2MASS group ID |
| Dist | Luminosity distance (weighted average if more than one source) |
| DM | Luminosity distance modulus (weighted average if more than one source) |
| eD | 1 sigma error in fractional distance (from weights if more than one source) |
| C | Distance method: Cepheid Period-Luminosity relation |
| T | Distance method: Tip of the Red Giant Branch from collaboration HST program (Jacobs et al. 2009) |
| L | Distance method: Tip of the Red Giant Branch (literature) |
| M | Distance method: miscellaneous (RR Lyrae, Horizontal Branch, Eclipsing Binary) |
| S | Distance method: Surface Brightness Fluctuation |
| N | Distance method: Supernovae |
| H | Distance method: spiral luminosity-rotation correlation (Tully-Fisher) |
| F | Distance method: E/S0 Fundamental Plane |
| RAJ | Right Ascension (J2000) |
| DeJ | Declination (J2000) |
| Glon | Galactic longitude |
| Glat | Galactic latitude |
| SGL | Supergalactic longitude |
| SGB | Supergalactic latitude |
| Ty | Morphological type; RC3 numeric code |
| Asfd | Reddening at B band from Schlegel et al (1998) dust maps |
| Btot | Total B magnitude from LEDA |
| Ks | 2MASS Ks magnitude, extinction corrected from Huchra et al. 2012 or else Lavaux-Hudson 2011 |
| Vhel | Heliocentric velocity |
| Vgsr | Velocity in Galactic standard of rest (circular velocity at Sun of 239 km/s; total velocity 251 km/s toward l=90,b=0) |
| Vls | Velocity in Local Sheet standard of rest (Tully et al. 2008) |
| Vcmb | Velocity in CMB standard of rest (Fixsen et al. 1996) |
| Vmod | Velocity in CMB standard of rest adjusted in accordance with a cosmological model with Omega_matter=0.27 and Omega_Lambda=0.73 |
| Name | Common name |
| Icnt | Internal group ID |
| 2Mass | Group ID from 2MASS++ catalog of Lavaux & Hudson (2011) |
| Ndgp | Number of galaxies with distance measures in group |
| Dgp | Luminosity distance to group |
| DMgp | Luminosity distance modulus to group |
| eDgp | 1 sigma error in fractional group distance |
| NV | Number of galaxies with positions and velocities in group |
| Lgp | Galactic longitude of group |
| Bgp | Galactic latitude of group |
| SGLgp | Supergalactic longitude of group |
| SGBgp | Supergalactic latitude of group |
| Tgp | Mean galaxy type in group |
| S_B | Total B magnitude summed across all members of group |
| S_K | Total Ks magnitude summed across all members of group |
| Vhgp | Mean heliocentric velocity of group |
| Vggp | Group mean 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) |
| Vmgp | Group velocity in CMB standard of rest adjusted in accordance with a cosmological model with Omega_matter=0.27 and Omega_Lambda=0.73 |
| Vrms | Group r.m.s. velocity dispersion |
| GroupName | Alternate names for group or cluster |