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The effect of metal enrichment and galactic winds on galaxy formation in cosmological zoom simulations
Michaela Hirschmann, Thorsten Naab, Romeel Dave +9
We investigate the differential effects of metal cooling and galactic stellar winds on the cosmological formation of individual galaxies with three sets of cosmological, hydrodynam…
Consequences of Mechanical and Radiative Feedback from Black Holes in Disc Galaxy Mergers
Ena Choi, Thorsten Naab, Jeremiah P. Ostriker +2
We study the effect of AGN mechanical and radiation feedback on the formation of bulge dominated galaxies via mergers of disc galaxies. The merging galaxies have mass-ratios of 1:1…
Co-Evolution of Galactic Nuclei and Globular Cluster Systems
Oleg Y. Gnedin, Jeremiah P. Ostriker, Scott Tremaine
We revisit the hypothesis that dense galactic nuclei are formed from inspiraling globular clusters. Recent advances in understanding of the continuous formation of globular cluster…
Understanding black hole mass assembly via accretion and mergers at late times in cosmological simulations
Andrea Kulier, Jeremiah P. Ostriker, Priyamvada Natarajan +2
Accretion is thought to primarily contribute to the mass accumulation history of supermassive black holes throughout cosmic time. While this may be true at high redshifts, at lower…
Radiation driven outflow in active galactic nuclei: the feedback effects of scattered and reprocessed photons
Chao Liu, Feng Yuan, Jeremiah P. Ostriker +2
We perform time-dependent, 2DHD numerical simulations to study the dynamics of a slowly rotating accretion flow from sub-pc to pc scales under the irradiation from the central AGN.…