NGC 1831

Distance from Sun: 48080 pc
Age: 900 Myr
V-band magnitude: 10.38
Mass: 3.5 · 104 M
Half-mass radius: 10.70 pc
Power-law MF slope: α = -2.57


Image Source: Fabian RRRR, 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