Poster Title: A physically motivated toy model for the BH-spheroid coevolution
Abstract: We apply to a simple, yet physically motivated one-zone toy-model, the results presented by Sazonov et al. (this Conference). Our model describes over an Hubble time the coevolution of the central black hole and the galaxy stellar and gas content, under the influence of feedback due to the evolving stellar population and to the AGN activity induced by accretion. We show that, by adopting a duty cycle for the AGN activity as that derived from observations and from numerical simulations od feedback modulated accretion flows, the final Mbh/Mspheroid is in excellent agreement with the observations.
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