Release 11.12 ("Hergest Ridge")
ID | Cluster identification | NGC 104 |
[Fe/H] | Metallicity [Fe/H] | -0.76 |
SpT | Integrated spectral type | G4 |
v_r | Heliocentric radial velocity (km/s) | -18.7 |
+/- | Observational (internal) uncertainty in radial velocity | 0.2 |
v_LSR | Radial velocity relative to Solar local standard of rest | -28.0 |
c | Central concentration, c = log(r_t/r_c) | 2.03 |
r_c | Core radius in arcmin | 0.44 |
r_h | Half-mass radius in arcmin | 2.79 |
r_t | Tidal radius in arcmin | 47.25 |
lg(tc) | Logarithm of core relaxation time, in log_10(years) | 8.06 |
lg(th | Logarithm of relaxation time at the half-mass radius, in log_10(years) | 9.48 |
mu_V | Central surface brightness, V magnitudes per square arcsecond | 14.43 |
rho_0 | Logarithm of central luminosity density (Solar luminosities per cubic parsec | 4.77 |
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