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Metallicities in cosmological simulations with AGN feedback

Published online by Cambridge University Press:  17 August 2016

Chiaki Kobayashi  and
Philip Taylor
Chiaki Kobayashi
Affiliation:
Centre for Astrophysics Research, Science and Technology Research Institute, University of Hertfordshire, Hertfordshire, AL10 9AB, UK; email: c.kobayashi@herts.ac.uk
Philip Taylor
Affiliation:
Research School of Astronomy & Astrophysics, Australian National University
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Abstract

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In our cosmological, chemodynamical simulations, (i) the black hole mass–velocity dispersion relation does not evolve, and black holes actually grow along the relation. (ii) the stellar mass–metallicity relation does not change its shape, while the gas-phase relation has a steeper slope at higher redshifts. (iii) While stellar metallicity gradients are made shallower by galaxy mergers, gas-phase gradients are affected more strongly by AGN feedback.

Keywords

galaxies: abundancesgalaxies: evolutiongalaxies: formation
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 11 , Symposium S319: Galaxies at High Redshift and Their Evolution Over Cosmic Time , August 2015 , pp. 60
Copyright
Copyright © International Astronomical Union 2016