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Fig. B.2

image

Continuum-subtracted absorption profiles of the SiO ν= 0J = 5−4 transition along the line of sight towards the centre of Mira’s continuum extracted from images produced by different CLEAN stopping criteria. Images containing the spectra from top to bottom are CLEANed with: 0 iteration (i.e. DIRTY images), 200, 1000, and approximately 18 000 (fully CLEANed to the threshold, see Sect. 2) iterations.

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