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View article: MISTRAL: a model for AGN winds from radiatively efficient accretion in cosmological simulations
MISTRAL: a model for AGN winds from radiatively efficient accretion in cosmological simulations Open
Feedback from active galactic nuclei (AGNs) is crucial for regulating galaxy evolution. Motivated by observations of broad absorption line winds from rapidly accreting supermassive black holes (SMBHs), we introduce the mistral AGN feedback…
View article: Investigating the Impact of Supernova Feedback on Satellites in Elliptical Galaxies
Investigating the Impact of Supernova Feedback on Satellites in Elliptical Galaxies Open
We investigate the influence of supernova (SN) feedback on the satellites of elliptical host galaxies using hydrodynamic simulations. Utilizing a modified version of the GADGET-3 code, we perform cosmological zoom-in simulations of 11 elli…
View article: Investigating the Impact of Supernova Feedback on Satellites in Elliptical Galaxies
Investigating the Impact of Supernova Feedback on Satellites in Elliptical Galaxies Open
We investigate the influence of supernova (SN) feedback on the satellites of elliptical host galaxies using hydrodynamic simulations. Utilizing a modified version of the GADGET-3 code, we perform cosmological zoom-in simulations of 11 elli…
View article: The Origins of Gas Accreted by Supermassive Black Holes: The Importance of Recycled Gas
The Origins of Gas Accreted by Supermassive Black Holes: The Importance of Recycled Gas Open
We investigate the fueling mechanisms of supermassive black holes (SMBHs) by analyzing 10 zoom-in cosmological simulations of massive galaxies, with stellar masses 10 11–12 M ⊙ and SMBH masses 10 8.9–9.7 M ⊙ at z = 0, featuring various maj…
View article: The Origins of Gas Accreted by Supermassive Black Holes: the Importance of Recycled Gas
The Origins of Gas Accreted by Supermassive Black Holes: the Importance of Recycled Gas Open
We investigate the fueling mechanisms of supermassive black holes (SMBHs) by analyzing ten zoom-in cosmological simulations of massive galaxies, with stellar masses $10^{11-12} M_{\odot}$ and SMBH masses $10^{8.9-9.7}$ at $z=0$ and featuri…
View article: Emission-line properties of IllustrisTNG galaxies: from local diagnostic diagrams to high-redshift predictions for JWST
Emission-line properties of IllustrisTNG galaxies: from local diagnostic diagrams to high-redshift predictions for JWST Open
© 2023 The Author(s). Published by Oxford University Press on behalf of Royal Astronomical Society. This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY), https://creativecommons.org…
View article: The connection between mergers and AGN activity in simulated and observed massive galaxies
The connection between mergers and AGN activity in simulated and observed massive galaxies Open
We analyse a suite of 29 high-resolution zoom-in cosmological hydrodynamic simulations of massive galaxies with stellar masses $M_{\rm star} \gt 10^{10.9} \, \mathrm{M}_\odot$, with the goal of better understanding merger activity among ac…
View article: Emission-line properties of IllustrisTNG galaxies: from local diagnostic diagrams to high-redshift predictions for <i>JWST</i>
Emission-line properties of IllustrisTNG galaxies: from local diagnostic diagrams to high-redshift predictions for <i>JWST</i> Open
We compute synthetic, rest-frame optical and ultraviolet (UV) emission-line properties of galaxy populations at redshifts from z ≈ 0 to = 8 in a full cosmological framework. We achieve this by coupling, in post-processing, the cosmological…
View article: On the Effects of Local Environment on Active Galactic Nucleus (AGN) in the Horizon Run 5 Simulation
On the Effects of Local Environment on Active Galactic Nucleus (AGN) in the Horizon Run 5 Simulation Open
We use the Horizon Run 5 cosmological simulation to study the effect of galaxy intrinsic properties and the local environment on active galactic nuclei (AGNs) characterized by their threshold of the accretion rate. We select galaxies in th…
View article: Active galactic nucleus jet feedback in hydrostatic haloes
Active galactic nucleus jet feedback in hydrostatic haloes Open
Feedback driven by jets from active galactic nuclei is believed to be responsible for reducing cooling flows in cool-core galaxy clusters. We use simulations to model feedback from hydrodynamic jets in isolated haloes. While the jet propag…
View article: Active galactic nucleus jet feedback in hydrostatic halos
Active galactic nucleus jet feedback in hydrostatic halos Open
Feedback driven by jets from active galactic nuclei is believed to be responsible for reducing cooling flows in cool-core galaxy clusters. We use simulations to model feedback from hydrodynamic jets in isolated halos. While the jet propaga…
View article: The Metallicity Distribution Function in Outer Halo Fields of Simulated Elliptical Galaxies Compared to Observations of NGC 5128
The Metallicity Distribution Function in Outer Halo Fields of Simulated Elliptical Galaxies Compared to Observations of NGC 5128 Open
Stellar metallicity distribution functions (MDFs) have been measured for resolved stellar populations in the outer halos of many galaxies in nearby groups. Among them, the MDF of NGC 5128, the central giant elliptical in the Centaurus grou…
View article: IQ Collaboratory. III. The Empirical Dust Attenuation Framework—Taking Hydrodynamical Simulations with a Grain of Dust
IQ Collaboratory. III. The Empirical Dust Attenuation Framework—Taking Hydrodynamical Simulations with a Grain of Dust Open
We present the empirical dust attenuation (EDA) framework—a flexible prescription for assigning realistic dust attenuation to simulated galaxies based on their physical properties. We use the EDA to forward model synthetic observations for…
View article: Star-forming and quiescent galaxies in synthetic spectroscopic surveys from cosmological simulations
Star-forming and quiescent galaxies in synthetic spectroscopic surveys from cosmological simulations Open
The populations of star-forming, green valley, and quiescent galaxies, whether predicted from simulations or observed, vary depending on how these are defined and on the tracers used to measure star formation rates. We explore star formati…
View article: The Connection between Mergers and AGN Activity in Simulated and Observed Massive Galaxies
The Connection between Mergers and AGN Activity in Simulated and Observed Massive Galaxies Open
We analyze a suite of $30$ high resolution zoom-in cosmological hydrodynamic simulations of massive galaxies with stellar masses $M_{\ast} > 10^{10.9} M_\odot$, with the goal of better understanding merger activity in AGN, AGN activity in …
View article: powderday: Dust Radiative Transfer for Galaxy Simulations
powderday: Dust Radiative Transfer for Galaxy Simulations Open
We present powderday (available at https://github.com/dnarayanan/powderday ), a flexible, fast, open-source dust radiative transfer package designed to interface with both idealized and cosmological galaxy formation simulations. powderday …
View article: First Results from SMAUG: Uncovering the Origin of the Multiphase Circumgalactic Medium with a Comparative Analysis of Idealized and Cosmological Simulations
First Results from SMAUG: Uncovering the Origin of the Multiphase Circumgalactic Medium with a Comparative Analysis of Idealized and Cosmological Simulations Open
We examine the properties of the circumgalactic medium (CGM) at low redshift in a range of simulated Milky Way mass halos. The sample is comprised of seven idealized simulations, an adaptive mesh refinement cosmological zoom-in simulation,…
View article: Ionized gas kinematics of massive elliptical galaxies in CALIFA and in cosmological zoom-in simulations
Ionized gas kinematics of massive elliptical galaxies in CALIFA and in cosmological zoom-in simulations Open
\nContext. Powerful active galactic nuclei (AGN) are supposed to play a key regulatory role on the evolution of their host galaxies by shaping the thermodynamic properties of their gas component. However, little is known as to the nature a…
View article: The impact of AGN on stellar kinematics and orbits in simulated massive galaxies
The impact of AGN on stellar kinematics and orbits in simulated massive galaxies Open
We present a series of 10 × 2 cosmological zoom simulations of the formation of massive galaxies with and without a model for active galactic nucleus (AGN) feedback. Differences in stellar population and kinematic properties are evaluated …
View article: AGN-driven quenching of satellite galaxies
AGN-driven quenching of satellite galaxies Open
We explore the effect of active galactic nucleus (AGN) feedback from central galaxies on their satellites by comparing two sets of cosmological zoom-in runs of 27 haloes with masses ranging from 1012 to 1013.4$\rm {M}_{\odot}$ at z = 0, wi…
View article: Synthetic nebular emission from massive galaxies – II. Ultraviolet-line diagnostics of dominant ionizing sources
Synthetic nebular emission from massive galaxies – II. Ultraviolet-line diagnostics of dominant ionizing sources Open
We compute synthetic optical and ultraviolet (UV) emission-line properties of\ngalaxies in a full cosmological framework by coupling, in post-processing,\nnew-generation nebular-emission models with high-resolution, cosmological\nzoom-in s…
View article: Linking galaxy structural properties and star formation activity to black hole activity with IllustrisTNG
Linking galaxy structural properties and star formation activity to black hole activity with IllustrisTNG Open
We study the connection between active galactic nuclei (AGN) and their host\ngalaxies through cosmic time in the large-scale cosmological IllustrisTNG\nsimulations. We first compare BH properties, i.e. the hard X-ray BH luminosity\nfunctio…
View article: The Role of Black Hole Feedback on Size and Structural Evolution in Massive Galaxies
The Role of Black Hole Feedback on Size and Structural Evolution in Massive Galaxies Open
We use cosmological hydrodynamical simulations to investigate the role of feedback from accreting black holes in the evolution of the size, compactness, stellar core density, and specific star formation of massive galaxies with stellar mas…
View article: Linking galaxy structural properties and star formation activity with IllustrisTNG
Linking galaxy structural properties and star formation activity with IllustrisTNG Open
We study the connection between active galactic nuclei (AGN) and their host galaxies through cosmic time in the large-scale cosmological IllustrisTNG simulations. We first compare BH properties, i.e. the hard X-ray BH luminosity function, …
View article: The Role of Black Hole Feedback on Size and Structural Evolution in Massive Galaxies
The Role of Black Hole Feedback on Size and Structural Evolution in Massive Galaxies Open
We use cosmological hydrodynamical simulations to investigate the role of feedback from accreting black holes on the evolution of sizes, compactness, stellar core density and specific star-formation of massive galaxies with stellar masses …
View article: Synthetic nebular emission from massive galaxies – I: origin of the cosmic evolution of optical emission-line ratios
Synthetic nebular emission from massive galaxies – I: origin of the cosmic evolution of optical emission-line ratios Open
Galaxies occupy different regions of the\n[OIII]$\\lambda5007$/H$\\beta$-versus-[NII]$\\lambda6584$/H$\\alpha$ emission-line\nratio diagram in the distant and local Universe. We investigate the origin of\nthis intriguing result by modellin…
View article: The nature of massive transition galaxies in CANDELS, GAMA and cosmological simulations
The nature of massive transition galaxies in CANDELS, GAMA and cosmological simulations Open
We explore observational and theoretical constraints on how galaxies might transition between the 'star-forming main sequence' (SFMS) and varying 'degrees of quiescence' out to z = 3. Our analysis is focused on galaxies with stellar mass M…
View article: Active galactic nuclei feedback, quiescence and circumgalactic medium metal enrichment in early-type galaxies
Active galactic nuclei feedback, quiescence and circumgalactic medium metal enrichment in early-type galaxies Open
We present three-dimensional hydrodynamical simulations showing the effect of\nkinetic and radiative AGN feedback on a model galaxy representing a massive\nquiescent low-redshift early-type galaxy of $M_* = 8.41\\times 10^{10} M_\\odot$,\n…
View article: The impact of mechanical AGN feedback on the formation of massive early-type galaxies
The impact of mechanical AGN feedback on the formation of massive early-type galaxies Open
We employ cosmological hydrodynamical simulations to investigate the effects\nof AGN feedback on the formation of massive galaxies with present-day stellar\nmasses of $M_{stel} = 8.8 \\times 10^{10} - 6.0 \\times 10^{11} M_{sun}$. Using\ns…