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Related papers: QSOFEED: The relationship between star formation a…

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To investigate the differences in mechanical feedback from radio-loud and radio-quiet Active Galactic Nuclei (AGN) on the host galaxy, we perform 3D AMR hydrodynamic simulations of wide angle, radio-quiet winds with different inclinations…

Astrophysics of Galaxies · Physics 2017-07-26 Zachary Dugan , Volker Gaibler , Joseph Silk

We use hydrodynamical simulations from the OWLS project to investigate the dependence of the physical properties of galaxy populations at redshift 2 on metal-line cooling and feedback from star formation and active galactic nuclei (AGN). We…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-12 Marcel R. Haas , Joop Schaye , C. M. Booth , Claudio Dalla Vecchia , Volker Springel , Tom Theuns , Robert P. C. Wiersma

We use SDSS spectra and optical to far-infrared photometry for a sample of 31 FeLoBAL QSOs to study the relationship between the AGN-driven outflows, and obscured star formation in their host galaxies. We find that FeLoBAL QSOs invariably…

Galactic outflows driven by rapidly-accreting quasars at high redshift are widely expected to play a key role in the short- and long-term future evolution of their host galaxies. Using new and archival ALMA data, we observed the OH 119um…

Numerical simulations suggest that active galactic nuclei (AGNs) play an important role in the formation of early-type galaxies by expelling gas and dust in powerful galactic winds and quenching star formation. However, the existence of AGN…

Astrophysics · Physics 2009-11-13 Christy A. Tremonti , John Moustakas , Aleksandar M. Diamond-Stanic

We present a census of ionized gas outflows in 599 normal galaxies at redshift 0.6<z<2.7, mostly based on integral field spectroscopy of Ha, [NII], and [SII] line emission. The sample fairly homogeneously covers the main sequence of…

In the last years, Active Galactic Nuclei (AGN) have become more popular than ever. The possibility of using them to produce feedback effects that would help solving some of the still open questions connected to the hierarchical scenario of…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-14 Raffaella Morganti

We present optical SuperNova Integral Field Spectrograph (SNIFS) integral field spectroscopy, Hubble Space Telescope optical imaging, Chandra X-ray imaging, and Very Large Array radio interferometry of the merging galaxy 2MASX…

We present MEGARA (Multi-Espectr\'ografo en GTC de Alta Resoluci\'on para Astronom\'ia) Integral Field Unit (IFU) observations of 5 local type-2 quasars (QSO2s, z $\sim 0.1$) from the Quasar Feedback (QSOFEED) sample. These active galactic…

Active galactic nuclei (AGN) provide energetic feedback necessary to `turn off' star formation in high-mass galaxies (M$_{\rm halo} \geq $ 10$^{12.5}$ M$_{\odot}$, $10.4 \leq \log(\frac{M_*}{M_\odot}) \leq 11$) as observed. Cosmic rays…

Astrophysics of Galaxies · Physics 2026-04-14 Charvi Goyal , Sam B. Ponnada , Philip F. Hopkins , Sarah Wellons , Jose A. Benavides , Kung-Yi Su

To accommodate the seemingly "anti-hierarchical" properties of galaxies near the upper end of the mass function within our hierarchical paradigm, current models of galaxy evolution postulate a phase of vigorous AGN feedback at high…

Astrophysics · Physics 2008-10-16 Nicole P. H. Nesvadba , Matt D. Lehnert

Multi-phase fast, massive outflows have been postulated to play a crucial role in galaxy evolution. The aim of this work is to constrain the nature and the fraction of outflowing gas in AGNs, as well as the nuclear conditions possibly at…

Astrophysics of Galaxies · Physics 2017-07-12 Michele Perna , Giorgio Lanzuisi , Marcella Brusa , Marco Mignoli , Giovanni Cresci

Simulations of galaxy growth need to invoke strong negative feedback from active galactic nuclei (AGN) to suppress the formation of stars and thus prevent the over-production of very massive systems. While some observations provide evidence…

Cosmology and Nongalactic Astrophysics · Physics 2017-03-08 Peter-Christian Zinn , Enno Middelberg , Ray P. Norris , Ralf-Jürgen Dettmar

We use VLT-MUSE integral field unit data to study the ionized gas physical properties and kinematics as well as the stellar populations of the Seyfert 2 galaxy NGC\,232 as an opportunity to understand the role of AGN feedback on star…

Astrophysics of Galaxies · Physics 2023-12-11 Jose Henrique Costa-Souza , Rogemar A. Riffel , Oli L. Dors , Rogerio Riffel , Paulo C. da Rocha-Poppe

We investigate the relation between AGN and star formation (SF) activity at $0.5 < z < 3$ by analyzing 898 galaxies with X-ray luminous AGN ($L_X > 10^{44}$ erg s$^{-1}$) and a large comparison sample of $\sim 320,000$ galaxies without…

Quasar feedback in the form of powerful outflows is invoked as a key mechanism to quench star formation in galaxies, preventing massive galaxies to over-grow and producing the red colors of ellipticals. On the other hand, some models are…

The actual mechanism(s) powering galactic outflows in active galactic nuclei (AGN) is still a matter of debate. At least two physical models have been considered in the literature: wind shocks and radiation pressure on dust. Here we provide…

Astrophysics of Galaxies · Physics 2021-02-10 W. Ishibashi , A. C. Fabian , N. Arakawa

Beyond deepening our understanding of the formation, growth, and evolution of supermassive black holes, it is crucial to uncover the role of feeding and feedback processes from growing black holes (i.e., active galactic nucleus; AGN) in…

The effects of Active Galactic Nuclei (AGNs) on their host-galaxies depend on the coupling between the injected energy and the interstellar medium (ISM). Here, we model and quantify the impact of long-range AGN ionizing radiation -- in…

Astrophysics of Galaxies · Physics 2015-02-09 Orianne Roos , Stéphanie Juneau , Frédéric Bournaud , Jared M. Gabor

We introduce our project, AGNSTRONG (Active Galactic Nuclei and STaR fOrmation in Nearby Galaxies). Our research goals encompass investigating the kinematic properties of ionized and molecular gas outflows, understanding the impact of AGN…

Astrophysics of Galaxies · Physics 2024-05-16 Huynh Anh N. Le , Chen Qin , Yongquan Xue , Shifu Zhu , Kim Ngan N. Nguyen , Ruisong Xia , Xiaozhi Lin
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