Fig. A.5
Our selection criterion for the unbarred galaxies: original images, unsharp mask images, and the surface brightness profiles for an unbarred (NGC 3599) and a barlens (NGC 4643) galaxy are compared. We note the similar central flux concentrations and the subsequent, nearly exponential subsections in their surface brightness profiles. The dotted vertical line in the profile of NGC 3599 marks the extent of the barlens-like structure. The dashed and full vertical lines in the profile of NGC 4643 show the sizes of the barlens and the bar, respectively. The same format is adopted as in Fig. 9.
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