| Column | Description |
|---|
| pgc | PGC number |
| Name/Profile | Common name; click for profiles |
| Vh_av | Heliocentric velocity, weighted average |
| Wmx_av | Line width approximating twice the maximum rotation, not corrected for galaxy inclination, weighted average |
| eW_av | Weighted error in linewidth measure |
| N_av | Number of sources contributing to averaged velocity and linewidth |
| Flux | HI line flux averaged over sources |
| Source1 | Source of HI information |
| Tel1 | Telescope/receiver |
| Vhel1 | Heliocentric velocity |
| Wm501 | Line width at 50% of mean flux |
| Wcm501 | Line width at 50% of mean flux corrected for redshift and spectral resolution broadening |
| Wmx1 | Line width approximating twice the maximum rotation, not corrected for galaxy inclination; blank if error > 20 km/s |
| e_W1 | Error in linewidth measure |
| SN1 | Signal to noise |
| Flux1 | HI line flux |
| Res1 | Spectral channel resolution |
| Ns1 | Displayed profile smoothed over Ns spectral channels |
| Fm501 | Flux/channel at 50% of mean |
| Source2 | Source of HI information |
| Tel2 | Telescope/receiver |
| Vhel2 | Heliocentric velocity |
| Wm502 | Line width at 50% of mean flux |
| Wcm502 | Line width at 50% of mean flux corrected for redshift and spectral resolution broadening |
| Wmx2 | Line width approximating twice the maximum rotation, not corrected for galaxy inclination; blank if error > 20 km/s |
| e_W2 | Error in linewidth measure |
| SN2 | Signal to noise |
| Flux2 | HI line flux |
| Res2 | Spectral channel resolution |
| Ns2 | Displayed profile smoothed over Ns spectral channels |
| Fm502 | Flux/channel at 50% of mean |
| Source3 | Source of HI information |
| Tel3 | Telescope/receiver |
| Vhel3 | Heliocentric velocity |
| Wm503 | Line width at 50% of mean flux |
| Wcm503 | Line width at 50% of mean flux corrected for redshift and spectral resolution broadening |
| Wmx3 | Line width approximating twice the maximum rotation, not corrected for galaxy inclination; blank if error > 20 km/s |
| e_W3 | Error in linewidth measure |
| SN3 | Signal to noise |
| Flux3 | HI line flux |
| Res3 | Spectral channel resolution |
| Ns3 | Displayed profile smoothed over Ns spectral channels |
| Fm503 | Flux/channel at 50% of mean |