Distribution of the Sersic indices of different samples of galaxies. The black histogram of the Sersic indices stands for all galaxies in SDSS DR7 for which Simard et al. (2011) did their refits. The blue histogram indicates the distribution of Sersic parameters for our basic sample, which only consists of early-type galaxies. The green histogram represents the Ta10 sample, while the cyan histogram corresponds to Tr09 sample. The red histogram denotes our 85 alternative candidates.
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