Measured positions of θ1 Ori A2, with east to the left. The primary star θ1 Ori A1 is located at position (0,0). Blue dotted positions were observed with GRAVITY. For some of the dots, the errorbar is smaller than the symbol displayed. Gray square positions are taken from Close et al. (2012), Schertl et al. (2003), Petr et al. (1998), Weigelt et al. (1999), Balega et al. (2004, 2007), and Grellmann et al. (2013).
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