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Fig. 7.


Orbit of θ1 Ori C2. Orange dots are observed with GRAVITY, blue squares are positions taken from Weigelt et al. (1999), Schertl et al. (2003), Kraus et al. (2007, 2009), Patience et al. (2008), and Grellmann et al. (2013). The error bars of GRAVITY data are within the marker. The orbital parameters are listed in Table 1.

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