Results from the L′ SAM observations: a companion candidate is detected at 61.8 ± 7.4 mas from the central source with a flux ratio of 0.92 ± 0.20% in L′. Upper left panel: χ2 as a function of the position of companion candidate (degrees of freedom = 314). The black circle corresponds to the imaging resolution of the telescope (1.22λ/D). Upper right panel: best fit of the model of the companion (solid line) overplotted on the deconvolved phase. Lower panel: orientation of companion detections made using each of the nine individual data files plotted in raw detector coordinates. Spurious structures should appear fixed, while real features will rotate with the sky, as illustrated by the overplotted solid line that depicts the expected orientation for an object with a sky position angle of 78 degrees.
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