The rise of active galactic nuclei in the galaxy evolution and assembly semi-analytic model

Research output: Contribution to journal › Journal article › Research › peer-review

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The rise of active galactic nuclei in the galaxy evolution and assembly semi-analytic model. / Fontanot, Fabio; De Lucia, Gabriella; Hirschmann, Michaela; Xie, Lizhi; Monaco, Pierluigi; Menci, Nicola; Fiore, Fabrizio; Feruglio, Chiara; Cristiani, Stefano; Shankar, Francesco.

In: Monthly Notices of the Royal Astronomical Society, Vol. 496, No. 3, 2020, p. 3943-3960.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Fontanot, F, De Lucia, G, Hirschmann, M, Xie, L, Monaco, P, Menci, N, Fiore, F, Feruglio, C, Cristiani, S & Shankar, F 2020, 'The rise of active galactic nuclei in the galaxy evolution and assembly semi-analytic model', Monthly Notices of the Royal Astronomical Society, vol. 496, no. 3, pp. 3943-3960. https://doi.org/10.1093/mnras/staa1716

APA

Fontanot, F., De Lucia, G., Hirschmann, M., Xie, L., Monaco, P., Menci, N., Fiore, F., Feruglio, C., Cristiani, S., & Shankar, F. (2020). The rise of active galactic nuclei in the galaxy evolution and assembly semi-analytic model. Monthly Notices of the Royal Astronomical Society, 496(3), 3943-3960. https://doi.org/10.1093/mnras/staa1716

Vancouver

Fontanot F, De Lucia G, Hirschmann M, Xie L, Monaco P, Menci N et al. The rise of active galactic nuclei in the galaxy evolution and assembly semi-analytic model. Monthly Notices of the Royal Astronomical Society. 2020;496(3):3943-3960. https://doi.org/10.1093/mnras/staa1716

Author

Fontanot, Fabio ; De Lucia, Gabriella ; Hirschmann, Michaela ; Xie, Lizhi ; Monaco, Pierluigi ; Menci, Nicola ; Fiore, Fabrizio ; Feruglio, Chiara ; Cristiani, Stefano ; Shankar, Francesco. / The rise of active galactic nuclei in the galaxy evolution and assembly semi-analytic model. In: Monthly Notices of the Royal Astronomical Society. 2020 ; Vol. 496, No. 3. pp. 3943-3960.

Bibtex

@article{012c893c89024711b14e56558f5f6fa0,
title = "The rise of active galactic nuclei in the galaxy evolution and assembly semi-analytic model",
abstract = "We present a new implementation of the GAlaxy Evolution and Assembly (GAEA) semianalytic model, that features an improved modelling of the process of cold gas accretion on to supermassive black hole (SMBHs), derived from both analytic arguments and high-resolution simulations. We consider different scenarios for the loss of angular momentum required for the available cold gas to be accreted on to the central SMBHs, and we compare different combinations of triggering mechanisms, including galaxy mergers and disc instabilities in star-forming discs. We compare our predictions with the luminosity function (LF) observed for active galactic nuclei (AGNs) and we confirm that a non-instantaneous accretion time-scale (either in the form of a low-angular momentum reservoir or as an assumed light-curve evolution) is needed in order to reproduce the measured evolution of the AGN-LF and the so-called AGN-downsizing trend. Moreover, we also study the impact of AGN feedback, in the form of AGN-driven outflows, on the SF properties of model galaxies, using prescriptions derived both from empirical studies and from numerical experiments. We show that AGN-driven outflows are effective in suppressing the residual star formation rate in massive galaxies (>10(11)M(circle dot)) without changing their overall assembly history. These winds also affect the SFR of lower mass galaxies, resulting in a too large fraction of passive galaxies at",
keywords = "galaxies: active, galaxies: evolution, galaxies: formation, galaxies: fundamental parameters, SUPERMASSIVE BLACK-HOLES, STAR-FORMATION, HIERARCHICAL-MODELS, SCALING RELATIONS, STELLAR FEEDBACK, METAL ENRICHMENT, ANGULAR-MOMENTUM, AGN FEEDBACK, SIMULATIONS, GROWTH",
author = "Fabio Fontanot and {De Lucia}, Gabriella and Michaela Hirschmann and Lizhi Xie and Pierluigi Monaco and Nicola Menci and Fabrizio Fiore and Chiara Feruglio and Stefano Cristiani and Francesco Shankar",
year = "2020",
doi = "10.1093/mnras/staa1716",
language = "English",
volume = "496",
pages = "3943--3960",
journal = "Royal Astronomical Society. Monthly Notices",
issn = "0035-8711",
publisher = "Oxford University Press",
number = "3",

}

RIS

TY - JOUR

T1 - The rise of active galactic nuclei in the galaxy evolution and assembly semi-analytic model

AU - Fontanot, Fabio

AU - De Lucia, Gabriella

AU - Hirschmann, Michaela

AU - Xie, Lizhi

AU - Monaco, Pierluigi

AU - Menci, Nicola

AU - Fiore, Fabrizio

AU - Feruglio, Chiara

AU - Cristiani, Stefano

AU - Shankar, Francesco

PY - 2020

Y1 - 2020

N2 - We present a new implementation of the GAlaxy Evolution and Assembly (GAEA) semianalytic model, that features an improved modelling of the process of cold gas accretion on to supermassive black hole (SMBHs), derived from both analytic arguments and high-resolution simulations. We consider different scenarios for the loss of angular momentum required for the available cold gas to be accreted on to the central SMBHs, and we compare different combinations of triggering mechanisms, including galaxy mergers and disc instabilities in star-forming discs. We compare our predictions with the luminosity function (LF) observed for active galactic nuclei (AGNs) and we confirm that a non-instantaneous accretion time-scale (either in the form of a low-angular momentum reservoir or as an assumed light-curve evolution) is needed in order to reproduce the measured evolution of the AGN-LF and the so-called AGN-downsizing trend. Moreover, we also study the impact of AGN feedback, in the form of AGN-driven outflows, on the SF properties of model galaxies, using prescriptions derived both from empirical studies and from numerical experiments. We show that AGN-driven outflows are effective in suppressing the residual star formation rate in massive galaxies (>10(11)M(circle dot)) without changing their overall assembly history. These winds also affect the SFR of lower mass galaxies, resulting in a too large fraction of passive galaxies at

AB - We present a new implementation of the GAlaxy Evolution and Assembly (GAEA) semianalytic model, that features an improved modelling of the process of cold gas accretion on to supermassive black hole (SMBHs), derived from both analytic arguments and high-resolution simulations. We consider different scenarios for the loss of angular momentum required for the available cold gas to be accreted on to the central SMBHs, and we compare different combinations of triggering mechanisms, including galaxy mergers and disc instabilities in star-forming discs. We compare our predictions with the luminosity function (LF) observed for active galactic nuclei (AGNs) and we confirm that a non-instantaneous accretion time-scale (either in the form of a low-angular momentum reservoir or as an assumed light-curve evolution) is needed in order to reproduce the measured evolution of the AGN-LF and the so-called AGN-downsizing trend. Moreover, we also study the impact of AGN feedback, in the form of AGN-driven outflows, on the SF properties of model galaxies, using prescriptions derived both from empirical studies and from numerical experiments. We show that AGN-driven outflows are effective in suppressing the residual star formation rate in massive galaxies (>10(11)M(circle dot)) without changing their overall assembly history. These winds also affect the SFR of lower mass galaxies, resulting in a too large fraction of passive galaxies at

KW - galaxies: active

KW - galaxies: evolution

KW - galaxies: formation

KW - galaxies: fundamental parameters

KW - SUPERMASSIVE BLACK-HOLES

KW - STAR-FORMATION

KW - HIERARCHICAL-MODELS

KW - SCALING RELATIONS

KW - STELLAR FEEDBACK

KW - METAL ENRICHMENT

KW - ANGULAR-MOMENTUM

KW - AGN FEEDBACK

KW - SIMULATIONS

KW - GROWTH

U2 - 10.1093/mnras/staa1716

DO - 10.1093/mnras/staa1716

M3 - Journal article

VL - 496

SP - 3943

EP - 3960

JO - Royal Astronomical Society. Monthly Notices

JF - Royal Astronomical Society. Monthly Notices

SN - 0035-8711

IS - 3

ER -

ID: 252154630