An intriguing coincidence between the majority of vast polar structure dwarfs and a recent major merger at the M31 position

Open Access

Fig. 8.

6D separation values for different M31 proper motion values with the M31 merger models under MW potential model B. Proper motion values without colours result in fewer than ten LMC neighbour particles. The M31 proper motions for a radial approach to the MW and derived from HST, Gaia DR2, and Gaia DR3 data are also shown.

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