NGC 339

Distance from Sun: 57600 pc
Age: 6.0 Gyr
V-band magnitude: 12.12
Mass: 6 · 104 M
Half-mass radius: 15.97 pc
Power-law MF slope: α = -1.66


Image Source: NASA, ESA, HST


Observations

Proper motion Velocity Dispersion
HST photometry Color magnitude diagram Mass function

N-body Fits

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