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Fig. 1

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Field of HD 167971 (left) and HD 168112 (right) as seen by the EVN on 5 November 2019 at 18 cm. Both sources are detected in our data with a significance of 7σ and 9σ above the rms noise level of 140 and 70 μJy beam−1, respectively. Contours start at 3σ the rms noise level and increase by factors of . The synthesised beam size of 12 × 22 mas2, PA = 3°, is represented at the bottom left corner of each image as a gray ellipse.

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