Fig. 1
SPHERE/IRDIS SDI+TLOCI contrast images of 51 Eridani at four epochs obtained with a narrow-band filter in H2 (λH2 = 1.593 μm, December 2016) and in K1 (λK1 = 2.110 μm, all other epochs). The central regions of the images were numerically masked out to hide bright stellar residuals. The white crosses indicate the location of the star.
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