207 citations · 1.3k across the 58 of their papers we have counts for
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Radiative cooling of swept up gas in AGN-driven galactic winds and its implications for molecular outflows
Alexander J. Richings, Claude-Andre Faucher-Giguere
We recently used hydro-chemical simulations to demonstrate that molecular outflows observed in luminous quasars can be explained by molecule formation within the AGN wind. However,…
The multiphase circumgalactic medium traced by low metal ions in EAGLE zoom simulations
Benjamin D. Oppenheimer, Joop Schaye, Robert A. Crain +2
We explore the circumgalactic metal content traced by commonly observed low ion absorbers, including C II, Si II, Si III, Si IV, and Mg II. We use a set of cosmological hydrodynami…
The origin of fast molecular outflows in quasars: molecule formation in AGN-driven galactic winds
Alexander J. Richings, Claude-Andre Faucher-Giguere
We explore the origin of fast molecular outflows that have been observed in Active Galactic Nuclei (AGN). Previous numerical studies have shown that it is difficult to create such…
Flickering AGN can explain the strong circumgalactic O VI observed by COS-Halos
Benjamin D. Oppenheimer, Marijke Segers, Joop Schaye +2
Proximity zone fossils (PZFs) are ionization signatures around recently active galactic nuclei (AGN) where metal species in the circumgalactic medium remain over-ionized after the…
Metals in the circumgalactic medium are out of ionization equilibrium due to fluctuating active galactic nuclei
Marijke C. Segers, Benjamin D. Oppenheimer, Joop Schaye +1
We study the effect of a fluctuating active galactic nucleus (AGN) on the abundance of circumgalactic OVI in galaxies selected from the EAGLE simulations. We follow the time-variab…