Fig. 2
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Measured differential phase (grey dots) in two MATISSE frames, one on the star (top) and the other on the planet (bottom). Overlaid are the models presented in this work using the air refractive indices of Voronin & Zheltikov (2017) (blue), Mathar (2007) (green), and Ciddor (1996) (red). In the absence of chromatic or non-common path OPD, the differential phase should be zero on the star or an oscillation on the planet.
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