Search Results - "Hirschmann, Michaela"

Nature versus nurture: what regulates star formation in satellite galaxies? by De Lucia, Gabriella, Hirschmann, Michaela, Fontanot, Fabio

“…We use our state-of-the-art Galaxy Evolution and Assembly (GAEA) semi-analytic model to study how and on which time-scales star formation is suppressed in…”
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The Role of Black Hole Feedback on Size and Structural Evolution in Massive Galaxies by Choi, Ena, Somerville, Rachel S., Ostriker, Jeremiah P., Naab, Thorsten, Hirschmann, Michaela

“…We use cosmological hydrodynamical simulations to investigate the role of feedback from accreting black holes in the evolution of the size, compactness,…”
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H2-based star formation laws in hierarchical models of galaxy formation by Xie, Lizhi, De Lucia, Gabriella, Hirschmann, Michaela, Fontanot, Fabio, Zoldan, Anna

“…Abstract We update our recently published model for GAlaxy Evolution and Assembly (GAEA), to include a self-consistent treatment of the partition of cold gas…”
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Variations of the stellar initial mass function in semi-analytical models: implications for the mass assembly and the chemical enrichment of galaxies in the gaea model by Fontanot, Fabio, De Lucia, Gabriella, Hirschmann, Michaela, Bruzual, Gustavo, Charlot, Stéphane, Zibetti, Stefano

“…In this paper, we investigate the implications of the integrated galaxy-wide stellar initial mass function (IGIMF) approach in the framework of the…”
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Synthetic nebular emission from massive galaxies – I: origin of the cosmic evolution of optical emission-line ratios by Hirschmann, Michaela, Charlot, Stephane, Feltre, Anna, Naab, Thorsten, Choi, Ena, Ostriker, Jeremiah P., Somerville, Rachel S.

“…Abstract Galaxies occupy different regions of the [O iii]λ5007/H β-versus-[N ii]λ6584/H α emission-line ratio diagram in the distant and local Universe. We…”
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Synthetic nebular emission from massive galaxies – II. Ultraviolet-line diagnostics of dominant ionizing sources by Hirschmann, Michaela, Charlot, Stephane, Feltre, Anna, Naab, Thorsten, Somerville, Rachel S, Choi, Ena

“…We compute synthetic optical and ultraviolet (UV) emission-line properties of galaxies in a full cosmological framework by coupling, in post-processing,…”
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Structural and dynamical properties of galaxies in a hierarchical Universe: sizes and specific angular momenta by Zoldan, Anna, De Lucia, Gabriella, Xie, Lizhi, Fontanot, Fabio, Hirschmann, Michaela

“…We use a state-of-the-art semi-analytic model to study the size and the specific angular momentum of galaxies. Our model includes a specific treatment for the…”
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The co-evolution of total density profiles and central dark matter fractions in simulated early-type galaxies by Remus, Rhea-Silvia, Dolag, Klaus, Naab, Thorsten, Burkert, Andreas, Hirschmann, Michaela, Hoffmann, Tadziu L, Johansson, Peter H

“…We present evidence from cosmological hydrodynamical simulations for a co-evolution of the slope of the total (dark and stellar) mass density profile, ..., and…”
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An Atlas of Color-selected Quiescent Galaxies at z > 3 in Public JWST Fields by Valentino, Francesco, Brammer, Gabriel, Gould, Katriona M. L., Kokorev, Vasily, Fujimoto, Seiji, Jespersen, Christian Kragh, Vijayan, Aswin P., Weaver, John R., Ito, Kei, Tanaka, Masayuki, Ilbert, Olivier, Magdis, Georgios E., Whitaker, Katherine E., Faisst, Andreas L., Gallazzi, Anna, Gillman, Steven, Giménez-Arteaga, Clara, Gómez-Guijarro, Carlos, Kubo, Mariko, Heintz, Kasper E., Hirschmann, Michaela, Oesch, Pascal, Onodera, Masato, Rizzo, Francesca, Lee, Minju, Strait, Victoria, Toft, Sune

“…Abstract We present the results of a systematic search for candidate quiescent galaxies in the distant universe in 11 JWST fields with publicly available…”
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Origin of the antihierarchical growth of black holes by Hirschmann, Michaela, Somerville, Rachel S., Naab, Thorsten, Burkert, Andreas

“…Abstract Observational studies have revealed a 'downsizing' trend in black hole (BH) growth: the number densities of luminous active galactic nuclei (AGN) peak…”
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Cosmological simulations of black hole growth II: how (in)significant are merger events for fuelling nuclear activity? by Steinborn, Lisa K, Hirschmann, Michaela, Dolag, Klaus, Shankar, Francesco, Juneau, Stéphanie, Krumpe, Mirko, Remus, Rhea-Silvia, Teklu, Adelheid F

“…Which mechanism(s) are mainly driving nuclear activity in the centres of galaxies is a major unsettled question. In this study, we investigate the statistical…”
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The stellar accretion origin of stellar population gradients in massive galaxies at large radii by Hirschmann, Michaela, Naab, Thorsten, Ostriker, Jeremiah P., Forbes, Duncan A., Duc, Pierre-Alain, Davé, Romeel, Oser, Ludwig, Karabal, Emin

“…We investigate the evolution of stellar population gradients from z = 2 to 0 in massive galaxies at large radii (r > 2R eff) using 10 cosmological zoom…”
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The Origins of Gas Accreted by Supermassive Black Holes: The Importance of Recycled Gas by Choi, Ena, Somerville, Rachel S., Ostriker, Jeremiah P., Hirschmann, Michaela, Naab, Thorsten

“…Abstract We investigate the fueling mechanisms of supermassive black holes (SMBHs) by analyzing 10 zoom-in cosmological simulations of massive galaxies, with…”
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The evolution of sizes and specific angular momenta in hierarchical models of galaxy formation and evolution by Zoldan, Anna, De Lucia, Gabriella, Xie, Lizhi, Fontanot, Fabio, Hirschmann, Michaela

“…ABSTRACT We extend our previous work focused at z ∼ 0, studying the redshift evolution of galaxy dynamical properties using the state-of-the-art semi-analytic…”
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Spectral Templates Optimal for Selecting Galaxies at z > 8 with the JWST by Larson, Rebecca L., Hutchison, Taylor A., Bagley, Micaela, Finkelstein, Steven L., Yung, L. Y. Aaron, Somerville, Rachel S., Hirschmann, Michaela, Brammer, Gabriel, Holwerda, Benne W., Papovich, Casey, Morales, Alexa M., Wilkins, Stephen M.

“…Abstract The selection of high-redshift galaxies often involves spectral energy distribution (SED) fitting to photometric data, an expectation for…”
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Galaxy formation in semi-analytic models and cosmological hydrodynamic zoom simulations by Hirschmann, Michaela, Naab, Thorsten, Somerville, Rachel S., Burkert, Andreas, Oser, Ludwig

“…We present a detailed comparison between numerical cosmological hydrodynamic zoom simulations and the semi-analytic model (SAM) of Somerville et al., run…”
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Variations of the stellar initial mass function in semi-analytical models II: the impact of Cosmic Ray regulation by Fontanot, Fabio, De Lucia, Gabriella, Xie, Lizhi, Hirschmann, Michaela, Bruzual, Gustavo, Charlot, Stéphane

“…Recent studies proposed that cosmic rays (CR) are a key ingredient in setting the conditions for star formation, thanks to their ability to alter the thermal…”
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The rise of active galactic nuclei in the galaxy evolution and assembly semi-analytic model by Fontanot, Fabio, De Lucia, Gabriella, Hirschmann, Michaela, Xie, Lizhi, Monaco, Pierluigi, Menci, Nicola, Fiore, Fabrizio, Feruglio, Chiara, Cristiani, Stefano, Shankar, Francesco

“…ABSTRACT We present a new implementation of the GAlaxy Evolution and Assembly (gaea) semi-analytic model, that features an improved modelling of the process of…”
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Using [Ne v]/[Ne iii] to Understand the Nature of Extreme-ionization Galaxies by Cleri, Nikko J., Olivier, Grace M., Hutchison, Taylor A., Papovich, Casey, Trump, Jonathan R., Amorín, Ricardo O., Backhaus, Bren E., Berg, Danielle A., Fernández, Vital, Finkelstein, Steven L., Fujimoto, Seiji, Hirschmann, Michaela, Kartaltepe, Jeyhan S., Kocevski, Dale D., Simons, Raymond C., Wilkins, Stephen M., Yung, L. Y. Aaron

“…Abstract Spectroscopic studies of extreme-ionization galaxies (EIGs) are critical to our understanding of exotic systems throughout cosmic time. These EIGs…”
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Isolated galaxies in hierarchical galaxy formation models - present-day properties and environmental histories by Hirschmann, Michaela, De Lucia, Gabriella, Iovino, Angela, Cucciati, Olga

“…In this study, we have carried out a detailed, statistical analysis of isolated model galaxies, taking advantage of publicly available hierarchical galaxy…”
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