NGC 6637 (M 69)

Distance from Sun: 8900 ± 110 pc
Galactocentric distance: 1710 ± 50 pc
V-band magnitude: 7.62 ± 0.04
Mass: 1.38 · 105 M
M/L ratio: 1.5 ± 0.1 M/L
Half-mass radius: 3.19 pc
Power-law MF slope: α = 0.10 ± 0.19


Image Credit: NASA/HST, Wikiwand


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