Fig. 5

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Mollweide projections of the l = 2 spherical harmonics. We evaluate their amplitudes in the Galactic coordinate system, in which the diagram centers and tops are, respectively, (bg, lg) = (0°, 0°) and bg = 90°. With lg decreasing from left to right, the imaginary parts of and
are given by rotations of the real parts about the downwards pointing axes by 90°/m.
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