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Fig. 2


Top panels: edge-on I-band images for the flared and non-flared models. Intermediate panels: the same for the face-on discs. Bottom panels: surface brightness profiles in the major axis of the galaxy for edge-on (left) and the face-on (right) views of the two models (red: non-flared model, blue: flared model). Blue vertical solid line: flare radius Rflare. Black dot-dashed line: bulge component. Solid blue and red lines: linear fits performed to the inner regions of the disc for the flared and non-flared models. Dashed blue and red lines: the same for the outer regions of the disc. Black dotted lines: bulge re and μevalues. Horizontal dashed black line: limiting magnitude μlim = 25 mag arcsec-2. Vertical dashed magenta line: inner limit for the inner profile. We note that the disc profile in the flared case exhibits a clear Type-II break in the edge-on view, whereas the non-flared model keeps the exponential profile that both models exhibit in the face-on view. See the legend for details.

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