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Fig. 8.

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Evolution of the ratios between the los velocity dispersion (σlos) and that predicted by MOND in isolation (σiso, left panel) and including the EFE (σEFE, right panel) for a simulated UDG launched on a radial orbit (e = 0.99) from 10 Mpc from the cluster centre. The UDG reaches pericentre around 4 Gyr. Its velocity dispersion decreases until pericentre passage (cf. σlos/σiso), however without equilibrating with the EFE (cf. σlos/σEFE), and it undergoes tidal heading after pericentre passage. Numbers in the legend indicate the simulation time and the distance from the cluster centre.

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