| Column | Description |
|---|
| PGC | PGC number |
| GLong | Galactic longitude |
| GLat | Galactic latitude |
| SGL | Supergalactic longitude |
| SGB | Supergalactic latitude |
| Ty | Numeric type from LEDA (No type: Ty=99.) |
| Vhel | Heliocentric velocity |
| Vls | Velocity in Local Sheet reference frame (Tully et al. 2008) |
| V3k | Velocity in CMB frame |
| Vmod | Velocity in CMB frame; cosmological adjustment described in CF2 data paper |
| J-H | J-H total color, extinction corrected |
| J-K | J-Ks total color, extinction corrected |
| K_t | Ks total magnitude, extinction corrected |
| lgL_K | Log intrinsic K luminosity at group distance; d=Vgp/100 Mpc |
| lgden | Log smoothed luminosity density at nearest point on 1 Mpc/h grid |
| Nest | Nest ID; north 1xxxxx |
| Ng | Number of group (nest) members in 2MRS K<11.75 |
| 1PGC | PGC identification of brightest member of group |
| V3kg | Velocity of group in CMB frame (no cosmological correction) |
| D_v | Distance D=Vgp/100 Mpc (with cosmological adjustment) |
| DM | Distance modulus from velocity assuming H=100 km/s/Mpc |
| SGLg | Supergalactic longitude of group, average weighted by luminosity |
| SGBg | Supergalactic latitude of group, average weighted by luminosity |
| lgLgp | Log summed K luminosity of group, adjusted by correction factor |
| cf | Luminosity selection function correction factor |
| sigp | Projected velocity dispersion anticipated by corrected intrinsic luminosity |
| R2t | Projected second turnaround radius anticipated by corrected intrinsic luminosity |
| Vgp | Unweighted average group velocity in CMB frame; cosmological adjustment described in CF2 data paper |
| Vbw | Bi-weight group velocity (if Ngroup>4) in CMB frame; cosmological adjustment described in CF2 data paper |
| eV | Uncertainty in bi-weight group velocity |
| Sbw | Line of sight bi-weight velocity dispersion of group members; require Ng>4 |
| rmsV | Line of sight velocity dispersion of group members; null for Ng=1 |
| Rbw | Bi-weight projected virial radius Rij |
| eR | Uncertainty in bi-weight projected virial radius Rij |
| bwMass12 | Group mass (x10^12) from virial theorem with bi-weight dispersion and radius parameters |
| L_Mass12 | Group mass (x10^12) based on corrected intrinsic luminosity and M/L prescription |
| LDC | Crook et al. (2007) low density group ID |
| HDC | Crook et al. (2007) high density group ID |
| 2M++ | Lavaux and Hudson (2011) group ID |
| SGX | Supergalactic X (from Vmod assuming H0=100 km/s/Mpc) |
| SGY | Supergalactic Y (from Vmod assuming H0=100 km/s/Mpc) |
| SGZ | Supergalactic Z (from Vmod assuming H0=100 km/s/Mpc) |