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Fig. 1.

image

LBA images of all our observations of AB Dor A. Here and hereafter, north is up and east is to the left. Numbers (if any) indicate the index assigned to each component. For each image, the synthesized beam is shown at the bottom left corner (see Table 2). The lowest contour level (the remaining levels are spaced by factors of 2), the peak brightness, and background rms noise for each image are as follows: (2007): 11%, 2.35 mJy beam−1, 0.06 mJy beam−1; (2010): 6%, 2.16 mJy beam−1, 0.05 mJy beam−1; (2013): 10%, 1.80 mJy beam−1, 0.05 mJy beam−1; (2017): 22%, 0.714 mJy beam−1, 0.05 mJy beam−1; (2018): 22%, 5.84 mJy beam−1, 0.6 mJy beam−1. All the images are centered, and cross-marked, at the expected positions of AB Dor A according to its proper motion, parallax, and orbital wobble.

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