Galaxy Formation and AGN Feedback
Stellar Feedback, AGN Feedback and Fluid Microphysics in Galaxy Evolution
... ACKNOWLEDGEMENTS First, I would like to thank my advisor, Philip Hopkins, who literally picked me up at the lowest point of my life. When I switched fields in the fourth year of my Ph.D. study, Phil took me into the ...
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Supermassive black holes and their feedback effects in galaxy formation
... star formation rate in the corresponding galaxies in Figure ...stellar feedback dominates at high ...stellar feedback (green line) stays the dominant feedback channel until redshift z = 0, ...
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Feedback by supermassive black holes in galaxy evolution: Impacts of accretion and outflows on the star formation rate
... star formation rates and efficiencies in galaxies, using the R ADIO -SAGE semi-analytic galaxy formation ...star formation rate density from z = 6 to z = 0, as well as the trend of the stellar ...
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The three phases of galaxy formation.
... a galaxy, thereby inducing a starburst which creates a spheroidal ...bulge formation, stellar feedback is needed to remove low angular momentum gas, also during merger-induced starbursts ...and ...
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A simple model for AGN feedback in nearby early-type galaxies
... star formation alone, then they might be rather long-lived blue-cloud objects, similar to their spiral counterparts at similar ...star formation laws as their late-type counterparts as has been suggested by ...
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The environment of radio galaxies : a signature of AGN feedback at high redshifts.
... of galaxy formation GALFORM to characterize an indirect signature of active galactic nucleus (AGN) feedback in the environment of radio galaxies at high ...which AGN feedback is ...
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Effects of Environment on Galaxy Formation and Evolution
... star formation in the central galaxy, but it is not expected to completely quench star formation because of radiative cooling (Birnboim et ...including AGN feedback (Croton et ...
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Galaxy-scale AGN feedback – theory
... nuclei feedback, discussing insights gained from recent hydrodynamical simulations of jet-driven feedback on galaxy scales that are applicable to compact radio ...of feedback and the relative ...
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The Hot and Energetic Universe: AGN feedback in galaxy clusters and groups
... 2008). The cooling timescale of such gas is only ~10 7 yr; thus the feedback cycle must operate on short timescales to completely suppress cooling. Such deep observations are only possible in a few cases, and ...
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A unified model for AGN feedback in cosmological simulations of structure formation
... associated feedback pro- cesses that for the first time allows cosmological simulations of structure formation to self-consistently follow the build up of the cosmic population of galaxies and active ...
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Observational evidence that positive and negative AGN feedback depends on galaxy mass and jet power
... positive feedback efficiency evolves with redshift, peaking at z ≈ ...star formation at higher redshifts due to the same process as in normal galaxies ...positive feedback by radio-jets may be ...
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Exceptional AGN-driven turbulence inhibits star formation in the 3C 326N radio galaxy
... gas formation around AGN as being systematically a sign of positive feedback in the sense of enhanced star ...star formation by only allow- ing a small fraction of the gas to become ...
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Cosmology with Velocity Dispersion based Counts of Groups and the Effect of AGN Feedback on Host Galaxy Morphology
... of AGN mass loss on host galaxies 112 8.3.2 Star Formation Activity In addition to puffing up the elliptical galaxies, LERGs may quench star formation in all ellipticals by balancing the cooling ...
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AGN feedback models: correlations with star formation and observational implications of time evolution
... star formation in the rest of ...the galaxy is M g i , then the SFR behaviour at fixed volume is proportional to (M g i − M ∗ ) 3/2 , which produces an inverse cube reduction in the SFR with ...
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Cosmological Simulations with AGN Feedback
... of AGN feedback by examining galaxy scaling relations, and found that it is essential in or- der to better match observed downsizing ...the galaxy stellar mass function and the K- and B-band ...
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Multi-wavelength analysis to constrain the role of AGN in galaxy evolution
... the formation of stars in galaxies must somehow be regulated to achieve the observed galaxy ...star formation in the host galaxies, by removing gas through outflows, halting the accretion of new gas ...
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The influence of environment on galaxy formation
... • Feedback mechanisms: AGN, SNe In order to suppress the onset of cooling flows the adopted SAM includes the feedback contribution by Active Galactic Nuclei (AGN) when active in the so called ...
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The Horizon-AGN simulation: evolution of galaxy properties over cosmic time
... star formation (z ∼ 2), as the BHs help keep SFRs low in massive galaxies ...of AGN in regulating the inflow of gas into galaxies and shaping the evolving stellar mass function across cosmic ...
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Kiloparsec-scale outflows are prevalent among luminous AGN: outflows and feedback in the context of the overall AGN population
... the galaxy escape velocities, in apparent agreement with basic predic- tions from galaxy formation ...overall AGN and galaxy populations as the samples are small, inhomogeneous and/or ...
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Tracing star formation and AGN activity at radio frequencies
... the AGN host galaxy is still forming stars and might be doing so at a rate of ≥ 100 M yr − 1 ...a galaxy–galaxy interaction and a jet-induced SF have been proposed as triggering mechanisms for ...
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