Fig. 1
Fit to the SED and ISO SWS spectrum (Sloan et al. 2003) of AC Her, with a two-component wind, illustrating the dust mix that has been used in fitting the stars, which show a clear MIR excess. In the bottom panel the model is scaled to the observed flux in the 20.5–22.5 μm region to facilitate the comparison of the dust features.
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