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Fig. 3


Typical aspect of the CSM around a 25 M star at different stages: end of the MS (top-left panel), beginning of the RSG phase (top-right panel), end of the RSG phase (bottom-left panel), and beginning of the WR phase (bottom-right panel). The external circle (at r ~ 50 pc) is the boundary of the computational domain. The initial density of the ISM is log (ρISM) = −24. In each panel, we also show in the small window the mean density (black lines) and temperature (red lines) as a function of the radius.

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