Top left panel: intrinsic axial ratios B/A and C/A of our CALIFA bulges as a function of their Sérsic index (n< 1.5: blue symbols; 1.5 <n< 2.5: yellow symbols; n> 2.5: red symbols). Circles and squares correspond to unbarred and barred galaxies, respectively. The white, light gray, gray, and dark gray regions mark the regimes of triaxial, prolate, oblate, and spherical bulges, respectively. Top right panel: distribution of the Sérsic index of our CALIFA bulges (n< 1.5: blue histogram; 1.5 <n< 2.5: yellow histogram; n> 2.5: red histogram). Dark and light colors correspond to unbarred and barred galaxies, respectively. Bottom panels: distribution of the intrinsic shape of our CALIFA bulges (O: oblate; P: prolate; T: triaxial) as a function of their Sérsic index (n< 1.5: blue histograms; 1.5 <n< 2.5: yellow histograms; n> 2.5: red histograms). Dark and light colors correspond to unbarred and barred galaxies, respectively.
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