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Fig. 5

image

Fourier analysis of the surface density of all non self-gravitating Kepler-16 circumbinary disks. The transform is done on the time-averaged surface density, over a single binary orbit at 15 000 PAB, to consider only l = 0. The strengths of both the m = 1 and m = 2 modes are normalised against the axisymmetric (m = 0) contribution and plot as a function of radius in the disk.

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