VLT/NaCo measurements (filled circles with uncertainties) of the offset positions of the companion candidate to TYC 7617-0549-1 (see Fig. 3). The expected variation of offset positions, if the candidate is a background object, is shown (curved line). The variation is estimated based on the parallactic and proper motions of the primary star, as well as the initial offset position of the companion candidate from TYC 7617-0549-1. The companion candidate is clearly identified here as a stationary background contaminant.
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