NGC 1866

Distance from Sun: 50100 pc
Age: 170 Myr
V-band magnitude: 9.53
Mass: 5 · 104 M
Half-mass radius: 9.35 pc
Power-law MF slope: α = -2.45


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