| ID |
Cluster identification number |
| Name |
Other commonly used cluster name |
| RA |
Right ascension (epoch J2000) |
| Dec |
Declination (epoch J2000) |
| RSun |
Distance from Sun (kiloparsecs) |
| RGC |
Distance from Galactic center (kpc), assuming R_0=8.0 kpc |
| Fe/H |
Metallicity [Fe/H] |
| wt |
Weight of mean metallicity; essentially the number of independent [Fe/H] measurements averaged together. |
| EB-V |
Foreground reddening |
| VHB |
V magnitude level of the horizontal branch (or RR Lyraes) |
| (m-M)V |
Apparent visual distance modulus |
| Vt |
Integrated V magnitude of the cluster |
| MV,t |
Absolute visual magnitude (cluster luminosity), M_V,t = V_t - (m-M)V |
| U-B |
Integrated color indices (uncorrected for reddening) |
| B-V |
Integrated color indices (uncorrected for reddening) |
| V-R |
Integrated color indices (uncorrected for reddening) |
| V-I |
Integrated color indices (uncorrected for reddening) |
| spt |
Spectral type of the integrated cluster light |
| ellip |
Projected ellipticity of isophotes, e = 1-(b/a) |
| vr |
Heliocentric radial velocity (km/s) |
| vLSR |
Radial velocity relative to Solar neighborhood LSR |
| sigv |
Central velocity dispersion sig_v (km/s) |
| c |
King-model central concentration, c = log(r_t/r_c); a 'c' denotes a core-collapsed cluster |
| rc |
Core radius in arcmin |
| rh |
Half-light radius in arcmin |
| μV |
Central surface brightness, V magnitudes per square arcsecond |
| ρ0 |
Central luminosity density, log_10(Solar luminosities per cubic parsec) |
| lg(tc) |
Core relaxation time t(r_c), in log_10(years) |
| lg(th) |
Median relaxation time t(r_h), in log_10(years) |