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Fig. 9

image

Impact of the adopted density profile for the stripped material on the gas properties in model DDC15. This model has a Mst of about 0.15M (the value is 30% lower in the model with offset) and at a SN age of 200 d. The simulations are 1D (i.e., assume spherical symmetry), but the simulation “No-offset” uses a more centrally concentrated mass distribution than the simulation “Offset” (seethe electron-density profile, which reflects closely the difference in mass density profile). In the inset of the top-middle panel, the normalization of the cumulative decay power absorbed is set to the value obtained for the model with no offset (and limited to the velocity region shown).

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