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Fig. 1.

image

Continuum emission of the π1Gru system, as observed by the extended 12 m configuration, at 211−275 GHz. Contours are drawn at 3, 120, and 768 times the continuum rms noise value (1.5 × 10−5 Jy beam−1). The ALMA beam size is shown in the bottom right corner. The continuum shows a second peak to the south-west of the central emission.

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