Fig. A.4
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SPHERE/IRDIS relative astrometry differences of the offset positions of the point-like source detected around GJ 682 in the three epochs (at the top) and only in the first and third epochs (at the bottom). The first epoch is considered as reference, i.e., 2017-06-22; the second epoch is 2017-06-23, and the third epoch 2019-07-05. (See caption from Fig. A.1)
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