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Semi-Numerical Simulation of Reionization with Semi-Analytical Modeling of Galaxy Formation
Jie Zhou, Qi Guo, Gaochao Liu +3
In a semi-numerical model of reionization, the evolution of ionization fraction is simulated approximately by the ionizing photon to baryon ratio criterion. In this paper we incorp…
Simulations of the galaxy population constrained by observations from z=3 to the present day: implications for galactic winds and the fate of their ejecta
Bruno Henriques, Simon White, Peter Thomas +4
We apply Monte Carlo Markov Chain (MCMC) methods to large-scale simulations of galaxy formation in a LambdaCDM cosmology in order to explore how star formation and feedback are con…
Galaxy formation in WMAP1 and WMAP7 cosmologies
Qi Guo, Simon White, Raul E. Angulo +5
Using the technique of Angulo & White (2010) we scale the Millennium and Millennium-II simulations of structure growth in a LCDM universe from the cosmological parameters with whic…
The Effect of Star Formation on the Redshift Evolution of Interstellar Metals, Atomic and Molecular Gas in Galaxies
Jian Fu, Guinevere Kauffmann, Cheng Li +1
We examine how the atomic and molecular gas components of galaxies evolve to higher redshifts using the semi-analytic galaxy formation models of Fu et al. (2010) in which we track…
Exploring the unusually high black hole-to-bulge mass ratios in NGC4342 and NGC4291: the asynchronous growth of bulges and black holes
Akos Bogdan, William R. Forman, Irina Zhuravleva +10
We study two nearby, early-type galaxies, NGC4342 and NGC4291, that host unusually massive black holes relative to their low stellar mass. The observed black hole-to-bulge mass rat…