(Simulations ran and kindly made available by Holger Baumgardt)
Here we consider 2 clusters which are slightly more realistic:
Below are 2 snapshots at an age of roughly 10 Myr, 100 Myr, 1Gyr and 12 Gyr. The columns are the same as in Challenge 2.
Final list of snapshots used in Sollima et al. in prep, columns are: