Fig. 15
Top: strengths (Qm and total QT) of the m = 1 to m = 4 Fourier components of the stellar potential within the central kpc. Inside a radius of 130 pc, the m = 1 term dominates, and the nuclear bar extends until 350 pc radius. Bottom: corresponding phases in radians of the Fourier components, taken from the major axis, in the deprojected image.
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