Stellar population parameters (ages, metallicities, and [α/Fe] ratios) as a function of morphology. Left panel: bulge fraction B/T; right panel: Sersic index n. Different symbols indicate the group membership: RR 210 (blue triangles), RR 216 (black open circles), and RR 242 (red full dots). We use larger symbols to indicate the Sc galaxy RR216_12209 (open circle) and the low-quality fit galaxy RR242_36267 (filled circle).
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