NGC 2231

Distance from Sun: 50100 pc
Age: 1.6 Gyr
V-band magnitude: 11.47
Mass: 8.9 · 103 M
Half-mass radius: 13.18 pc
Power-law MF slope: α = -3.58


Image Source: DSS2, Aladin, CDS


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