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Fig. 6

image

Speckle noise estimation for HR8799b observed on December 6, 2014. The histograms illustrate the offsets between the true position/flux of a fake companion and its position/flux obtained from the NEGFC technique. The dashed lines correspond to the 1D Gaussian fit from which we determine the speckle noise.

This figure is made of several images, please see below:

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