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Fig. 5.

image

Comparison of LSB substructures around observed and simulated galaxies. Left panels: examples of ETGs from MATLAS Survey. From top to bottom: system NGC 5574/76 (tidal tails emanating from NGC 5576), stellar stream in NGC 4684 and interleaved shells in NGC 3619. Right panels: examples of mock surface brightness images exhibiting prominent tidal tails, streams, and shells at different times of simulation in random projections. Note the white scale bar indicating 20 kpc: the scales are comparable across observations and simulations.

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