Normalised χ2 maps of the combined CP+V2 (left), the CP alone (middle) and the V2 alone (right), for the five stars identified as having an off-axis companion: HD 4150, HD 16555, HD 29388, HD 202730, and HD 224392 (from top to bottom). The black circles indicate the positions of the minima in the maps. Two identical minima always appear on both sides of the star for the V2, because of the well-known 180° ambiguity.
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