NGC 2155

Distance from Sun: 45700 pc
Age: 3.2 Gyr
V-band magnitude: 12.59
Mass: 1.2 · 104 M☉
Half-mass radius: 10.24 pc
Power-law MF slope: α = -0.60


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