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相关论文: Active galactic nucleus feedback in NGC 3982

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We present a numerical study of the impact of AGN accretion and feedback on the star formation history of barred disc galaxies. Our goal is to determine whether the effect of feedback is positive (enhanced star formation) or negative…

星系天体物理 · 物理学 2017-06-28 Fidèle Robichaud , David Williamson , Hugo Martel , Daisuke Kawata , Sara L. Ellison

In this paper we investigate how massive central galaxies cease their star formation by comparing theoretical predictions from cosmological simulations: EAGLE, Illustris and IllustrisTNG with observations of the local Universe from the…

星系天体物理 · 物理学 2022-01-05 Joanna M. Piotrowska , Asa F. L. Bluck , Roberto Maiolino , Yingjie Peng

We present spectroscopic evidence for a low-luminosity, low-excitation active galactic nucleus (AGN) in NGC 1042, powered by an intermediate-mass black hole. These findings are significant in that the AGN is coincident with a compact star…

The molecular gas serves as a key probe of the complex interplay between black hole accretion and star formation in the host galaxies of active galactic nuclei (AGNs). We use CO(2-1) observations from a new ALMA survey, in conjunction with…

星系天体物理 · 物理学 2020-08-26 Jinyi Shangguan , Luis C. Ho , Franz E. Bauer , Ran Wang , Ezequiel Treister

Feedback in massive galaxies generally involves quenching of star formation, a favored candidate being outflows from a central supermassive black hole. At high redshifts however, explanation of the huge rates of star formation often found…

星系天体物理 · 物理学 2016-01-27 Rebekka Bieri , Yohan Dubois , Joseph Silk , Gary A. Mamon

Galactic outflows, driven by active galactic nuclei (AGN), play a crucial role in galaxy formation and in the self-regulated growth of supermassive black holes (BHs). AGN feedback couples to and affects gas, rather than stars, and in many,…

星系天体物理 · 物理学 2018-04-10 Tilman Hartwig , Marta Volonteri , Gohar Dashyan

Feedback processes are thought to solve some of the long-standing issues of the numerical modelling of galaxy formation: over-cooling, low angular momentum, massive blue galaxies, extra-galactic enrichment, etc. The accretion of gas onto…

宇宙学与河外天体物理 · 物理学 2011-09-08 Yohan Dubois , Julien Devriendt , Adrianne Slyz , Romain Teyssier

We perform high resolution N-body+SPH simulations of isolated Milky-Way-like galaxies and major mergers between them, to investigate the effect of feedback from both an active galactic nucleus (AGN) and supernovae on the galaxy's evolution.…

宇宙学与河外天体物理 · 物理学 2015-06-15 Richard D. A. Newton , Scott T. Kay

Active Galactic Nuclei (AGN) are highly energetic astrophysical sources powered by accretion onto supermassive black holes in galaxies, which present unique observational signatures covering the full electromagnetic spectrum (and more) over…

高能天体物理现象 · 物理学 2023-04-05 Stefano Bianchi , Vincenzo Mainieri , Paolo Padovani

I review the relationship between star formation and black hole building, based on spectroscopic observations of the stellar population in active galactic nuclei (AGNs) and their host galaxies. My emphasis is on large, well-defined local…

天体物理学 · 物理学 2007-05-23 Timothy M. Heckman

Supermassive black hole feedback is the currently favoured mechanism to regulate the star formation rate of galaxies and prevent the formation of ultra-massive galaxies ($M_\star>10^{12}M_\odot$). However, the mechanism through which the…

Feedback from active galactic nuclei (AGN) has often been invoked both in simulations and in interpreting observations for regulating star formation and quenching cooling flows in massive galaxies. AGN activity can, however, also…

星系天体物理 · 物理学 2015-12-16 Rebekka Bieri , Yohan Dubois , Joseph Silk , Gary Mamon , Volker Gaibler

It is still a matter of intense debate how supermassive black holes (SMBH) grow, and the role played by feedback from active galactic nuclei (AGN) in the co-evolution of SMBHs and galaxies. To test the coevolution proposed by theoretical…

星系天体物理 · 物理学 2022-11-30 George Mountrichas , Francesco Shankar

Utilizing Chandra X-ray observations in the All-wavelength Extended Groth Strip International Survey (AEGIS) we identify 241 X-ray selected Active Galactic Nuclei (AGNs, L > 10^{42} ergs/s) and study the properties of their host galaxies in…

Feedback from black hole activity is widely believed to play a key role in regulating star formation and black hole growth. A long-standing issue is the relation between the star formation and fueling the supermassive black holes in active…

天体物理学 · 物理学 2019-08-19 J. -M. Wang , Y. -M. Chen , C. -S. Yan , C. Hu , W. -H. Bian

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…

星系天体物理 · 物理学 2018-10-24 Ena Choi , Rachel S. Somerville , Jeremiah P. Ostriker , Thorsten Naab , Michaela Hirschmann

Recently, the existence of geometrically thick dust structures in Active Galactic Nuclei (AGN) has been directly proven with the help of mid-infrared interferometry. The observations are consistent with a two-component model made up of a…

天体物理学 · 物理学 2009-11-13 M. Schartmann , K. Meisenheimer , H. Klahr , M. Camenzind , S. Wolf , Th. Henning

Feedback from active galactic nuclei (AGN) has become a major component in simulations of galaxy evolution, in particular for massive galaxies. AGN jets have been shown to provide a large amount of energy and are capable of quenching…

宇宙学与河外天体物理 · 物理学 2012-09-13 Volker Gaibler , Sadegh Khochfar , Martin Krause , Joseph Silk

We present some results of the new MORGANA model for the rise of galaxies and active nuclei, and show that the improved physical motivation of the description of star formation and feedback allows to get hints on the physical processes at…

天体物理学 · 物理学 2007-05-23 Pierluigi Monaco

The growth of supermassive black holes and their host galaxies are thought to be linked, but the precise nature of this symbiotic relationship is still poorly understood. Both observations and simulations of galaxy formation suggest that…