Fig. 2
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Behaviour of FS parameters: radius (Rsh), velocity (Vsh), and shock compression ratio (CrRATPaC). In the upper panel, we also provide the angular scale, θsh, for a distance of 1000 parsec. (i)-(iv) mark interactions of the FS with different discontinuities, namely (i) the wind termination shock, (ii) another outgoing shock, (iii) the LBV shell, and (iv) the CD.
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