Fig. 2.
Specific SFR as a function of stellar mass for central ETGs from Horizon-AGN (magenta) and from Horizon-noAGN (blue). The 25 and 75% are depicted by the shaded region. The line separating active and passive galaxies (above and below the line, respectively) reported by Lacerna et al. (2014) and observations of isolated ETGs from UNAM-KIAS catalogue (yellow stars; Hernández-Toledo et al. 2010) are included.
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