Simulations of a tuned 1:1 head-on merger reproducing NGC 1052's E4 shape generate tidal dwarf galaxies with sizes matching the observed DM-free dwarfs.
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Tidal origin of dark-matter free dwarf galaxies in the NGC 1052 group
Simulations of a tuned 1:1 head-on merger reproducing NGC 1052's E4 shape generate tidal dwarf galaxies with sizes matching the observed DM-free dwarfs.