NGC 6558

Distance from Sun: 7790 ± 180 pc
Galactocentric distance: 930 ± 60 pc
V-band magnitude: 9.66 ± 0.06
Mass: 3.1 · 104 M
M/L ratio: 1.3 ± 0.1 M/L
Half-mass radius: 1.96 pc
Power-law MF slope: α = 1.53 ± 0.15


Image Credit: VVV DR5, ESO, Institute for Astrophysics, ROE


Observations

Cluster distance Proper motion Radial velocity
Orbit over the last 500 Myr
Velocity dispersion profile Rotation Color magnitude diagram
HST photometry Mass function MF slope

N-body Fits

Surface density Proper motions Radial velocities
Remnant fraction Mass-to-light ratio