Fig. 1
Reduced SPHERE observations of HD 61005 used in the analysis. North is up, East is left. From left to right; IRDIS ADI in H and K-bands (PCA with 6 components), and IRDIS DPI Qφ in H-band. Top row shows the data in linear stretch, with a central mask of 0.15′′, and the bottom row shows estimated signal-to-noise maps (see text for detail), with a stretch between [−3σ, 3σ].
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