| Column | Description |
|---|
| PGC | PGC identification of brightest member of group |
| Nest | 2MASS "nest" group ID |
| Ntf | Number of galaxies with luminosity-linewidth distances in group |
| DM_zp | Group distance modulus from all TF contributions on scale set by calibrators |
| DM_w | Group weighted average distance modulus (w=1/sigma^2) |
| eDM | Error of all measured moduli derived from inverse of summed weight |
| DM_av | Unweighted group average distance modulus |
| rms | rms scatter in moduli if Ntf>1 |
| StDv | rms/sqrt(Ntf) |
| Vcmb | Radial velocity with respect to the CMB radiation averaged over all luminosity-linewidth cases in group |
| 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 |