NGC 2157

Distance from Sun: 50100 pc
Age: 100 Myr
V-band magnitude: 9.92
Mass: 2.2 · 104 M
Half-mass radius: 6.15 pc
Power-law MF slope: α = -2.05


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