Fig. 3
Extended IR emission towards HD 192281 at 8.3 μm (upper left panel), 12.12 μm (upper right panel), 60 μm (lower left panel), and 100 μm (lower right panel). The position of HD 192281 is depicted by a star symbol. In the upper left image, the circumference centred at the stellar location marks the extension of the small ring-like structure referred to in Sect. 3.2.
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