| Column | Description |
|---|
| pgc | PGC number |
| RA_Dec_J2000 | Equatorial coordinate J2000 |
| Name | HI target position |
| GpID | Tully 3000 group Identification number |
| NBG_ID | Nearby Galaxies Catalog (1988) Group ID number |
| Gal_Long | Galactic longitude |
| Gal_Lat | Galactic latitude |
| SG_Long | Supergalactic longitude |
| SG_Lat | Supergalactic latitude |
| Typ | Numeric type (see RC3) |
| E_BV | Selective absorption within our Galaxy (Schlegel et al. 1998, ApJ, 500, 525) |
| B_b_i | Blue magnitude, corrected for Galactic and internal absorption (usually from RC3) |
| V_sun | Heliocentric velocity |
| V_gsr | Velocity in the Galactic Standard of Rest (defined in RC3) |
| V_ls | Velocity in the Local Sheet rest frame (Tully et al. 2008) |
| V_cmb | Velocity in the Galactic Standard of Rest (Fixsen et al. 1996, ApJ, 473, 576) |
| b_over_a | Ratio of minor axis diameter to major axis diameter |
| Ni | No. sources giving axial ratio b/a |
| B_T | Blue B band CCD magnitude, extrapolated to total (Tully et al. 2008) |
| R_T | Red R band CCD magnitude, extrapolated to total (Tully et al. 2008) |
| NR | No. sources giving R magnitude |
| I_T | Infrared I band CCD magnitude, extrapolated to total (Tully et al. 2008) |
| NImag | No. sources giving I magnitude |
| H_ap | H band aperture magnitude (Tully et al. 2008) |
| NH | No. sources giving H magnitude |
| V_HI | Heliocentric velocity observed from HI profile |
| W20 | HI profile linewidth at 20% of peak intensity |
| DM_tf | Distance modulus (m-M) derived from luminosity-linewidth distance measurement |
| Err_DM_tf | Uncertainty in distance modulus derived from luminosity-linewidth method |
| DM_fgc | Distance modulus derived for flat galaxies from 2MASS Ks luminosity and linewidth (Karachentsev et al. 2002, AA, 396, 431 |
| DM_src | Distance modulus derived from either surface brightness fluctuation, tip of red giant branch, or cepheid method; assume 8% error |
| src | Source of distance: s = surface brightness fluctuation; r = tip of red giant branch; c = cepheid period-luminosity relation |
| Gp_G_Long | Galactic longitude of group center |
| Gp_G_Lat | Galactic latitude of group center |
| Gp_SG_Long | Supergalactic longitude of group center |
| Gp_SG_Lat | Supergalactic latitude of group center |
| logL | Logarithm of group luminosity in B band at measured distance |
| Vsun_grp | Heliocentric velocity of group |
| Vgsr_grp | Galactocentric velocity of group |
| Vls_grp | Local sheet velocity of group |
| Vcmb_grp | CMB velocity of group |
| Gp_DM | Group averaged distance modulus |
| Err_Gp_DM | Uncertainty in group distance modulus |
| Dist | Group averaged distance |
| SGX | Supergalactic cartesian coordinate SGX |
| SGY | Supergalactic cartesian coordinate SGY |
| SGZ | Supergalactic cartesian coordinate SGZ |
| Vp_H74 | Group peculiar velocity assuming Ho = 74 km/s/Mpc |
| Ntf | No. contributions to group distance from BRIH luminosity-linewidth measurements |
| Gp_DMtf | Distance modulus from luminosity-linewidth measures for group |
| Err_Gp_DMtf | Uncertainty in group luminosity-linewidth distance modulus |
| Nfg | No. contributions to group distance from flat galaxy - 2MASS K luminosity-linewidth measurements |
| Gp_DMfg | Distance modulus from flat galaxies - 2MASS luminosity-linewidth measures for group |
| Err_Gp_DMfg | Uncertainty in group flat galaxies - 2MASS distance modulus |
| Nsrc | No. contributions to group distance from SBF, TRGB, or cepheid PL measurements |
| Gp_DMsource | Distance modulus from SBF, TRGB, or cepheid PL measures for group |
| Err_Gp_DMsource | Uncertainty in group SBF/TRGB/CPL distance modulus |