| Column | Description |
|---|
| PGC | PGC identification of brightest member of group |
| Nest | 2MASS "nest" group ID |
| DMzp | Group distance modulus for SBF contributions on scale set by calibrators |
| Nmain | Number of galaxies with surface brightness fluctuation distances in group (main catalog) |
| DMm_w | Group weighted average distance modulus (w=1/sigma^2) |
| eDMm | Error of all measured moduli derived from inverse of summed weight |
| DMm_av | Unweighted group average distance modulus |
| rmsm | rms scatter in moduli if Nsbf>1 |
| StDvm | rms/sqrt(Nsbf) |
| Nir | Number of galaxies with surface brightness fluctuation distances in group (IR SBF catalog) |
| DMir_w | Group weighted average distance modulus (w=1/sigma^2) |
| eDMir | Error of all measured moduli derived from inverse of summed weight |
| DMir_av | Unweighted group average distance modulus |
| rmsir | rms scatter in moduli if Nsbf>1 |
| StDvir | rms/sqrt(Nsbf) |
| Nhc | Number of galaxies with surface brightness fluctuation distances in group (Hydra/Centaurus catalog) |
| DMhc_w | Group weighted average distance modulus (w=1/sigma^2) |
| eDMhc | Error of all measured moduli derived from inverse of summed weight |
| DMhc_av | Unweighted group average distance modulus |
| rmshc | rms scatter in moduli if Nsbf>1 |
| StDvhc | rms/sqrt(Nsbf) |
| Ng | Number of group members in either Kourkchi-Tully (2017) or Tully (2015) |
| gVcmb | Radial velocity in CMB frame averaged over all group members |
| gSGL | Group supergalactic longitude |
| gSGB | Group supergalactic latitude |