Fig. 3
Parameter maps for M 31, rotated from a position angle of . See Table 1 for the meaning of the parameters. Pixels with uncertainties that were considered too large (see Sect. 3.2.1) were blanked out. The green ellipses in the upper-left panel represent the apertures of the macro-regions of M 31: the bulge, inner disk region, 10 kpc ring, and the outer disk.
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