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AGN feedback in numerical simulations

Published online by Cambridge University Press:  21 October 2010

Luca Ciotti
Luca Ciotti*
Affiliation:
Department of Astronomy, University of Bologna, via Ranzani 1, 40127, Bologna, Italy email: luca.ciotti@unibo.it
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Abstract

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The passively evolving stellar population in elliptical galaxies (Es) provides a continuous source of fuel for accretion on the central supermassive black hole (SMBH), which is 1) extended over the entire galaxy life (but declining with cosmic time), 2) linearly proportional to the stellar mass of the host spheroid, 3) summing up to a total gas mass that is > 100 times larger than the currently observed SMBH masses, 4) available independently of merging events. The main results of numerical simulations of Es with central SMBH, in which a physically based implementation of radiative and mechanical feedback effects is considered, are presented.

Keywords

X-rays: ISM - Galaxies: cooling flows - Galaxies: active
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 5 , Highlights H15: Highlights of Astronomy , November 2009 , pp. 293
Copyright
Copyright © International Astronomical Union 2010

References

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Shin, M.-S., Ostriker, J. P., & Ciotti, L. 2009, arXiv0905.4294Google Scholar
Jiang, Y. F., Ciotti, L., Ostriker, J. P., & Spitkovsky, A. 2009, arXiv0904.4918Google Scholar