NGC 6205 (M 13)

Distance from Sun: 7420 ± 80 pc
Galactocentric distance: 8640 ± 40 pc
V-band magnitude: 5.81 ± 0.05
Mass: 5.5 · 105 M
M/L ratio: 2.3 ± 0.1 M/L
Half-mass radius: 5.26 pc
Power-law MF slope: α = -0.70


Image Credit: Bernhard Hubl, http://www.astrophoton.com/


Observations

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

N-body Fits

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