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We explore the question of whether low and moderate luminosity Active Galactic Nuclei (AGNs) are preferentially found in galaxies that are undergoing a transition from active star formation to quiescence. This notion has been suggested by…

We present the first quantified, statistical map of broad-line active galactic nucleus (AGN) frequency with host galaxy color and stellar mass in nearby (0.01 < z < 0.11) galaxies. Aperture photometry and z-band concentration measurements…

宇宙学与河外天体物理 · 物理学 2015-06-12 Jonathan R. Trump , Alexander D. Hsu , Jerome J. Fang , S. M. Faber , David C. Koo , Dale D. Kocevski

Galaxy quenching, the intricate process through which galaxies transition from active star-forming states to retired ones, remains a complex phenomenon that requires further investigation. This study investigates the role of active galactic…

星系天体物理 · 物理学 2025-07-10 Z. Bazzi , D. Colombo , F. Bigiel , V. Kalinova , V. Villanueva , S. F. Sanchez , A. D. Bolatto , T. Wong

We combine ultraviolet to near-infrared photometry with HI 21cm line observations for a complete volume-limited sample of nearby galaxies in different environments (from isolated galaxies to Virgo cluster members), to study the migration of…

宇宙学与河外天体物理 · 物理学 2015-05-13 T. M. Hughes , L. Cortese

Growing supermassive black holes (Active Galactic Nuclei; AGN) release energy with the potential to alter their host galaxies and larger-scale environment; a process named "AGN feedback". Feedback is a required component of galaxy formation…

星系天体物理 · 物理学 2024-04-15 Chris M. Harrison , Cristina Ramos Almeida

We study the properties of the host galaxies of Changing-Look Active Galactic Nuclei (CL AGNs) with the aim of understanding the conditions responsible for triggering CL activity. We find that CL AGN hosts primarily reside in the so-called…

星系天体物理 · 物理学 2021-03-17 Sierra A. Dodd , Jamie A. P. Law-Smith , Katie Auchettl , Enrico Ramirez-Ruiz , Ryan J. Foley

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…

We investigated the influence of Active Galactic Nuclei (AGN) feedback on star formation in red spiral galaxies by analyzing a sample of 324 red and 273 blue face-on spirals selected from 115 low-redshift galaxy clusters. This…

Active galactic nuclei (AGN) are among the most energetic phenomena in the universe, capable of regulating star formation in galaxies via radiative and mechanical feedback. While AGN feedback is well studied in host galaxies, its influence…

星系天体物理 · 物理学 2025-07-14 Apashanka Das , Biswajit Pandey

Active Galactic Nuclei (AGN) are intensely accreting supermassive black holes at the centers of massive galaxies. Though these objects occupy little spatial extent of the galaxy itself, they are thought to have far reaching affects,…

星系天体物理 · 物理学 2023-07-24 Rachel Cionitti , Brandon Coleman , Allison Kirkpatrick , Greg Troiani

We present a population study of the star formation history of 1244 Type 2 AGN host galaxies, compared to 6107 inactive galaxies. A Bayesian method is used to determine individual galaxy star formation histories, which are then collated to…

We study the impact of outflows driven by active galactic nuclei (AGN) on galaxy formation. Outflows move into the surrounding intergalactic medium (IGM) and heat it sufficiently to prevent it from condensing onto galaxies. In the dense,…

天体物理学 · 物理学 2009-11-13 Evan Scannapieco , Joseph Silk , Rychard Bouwens

Negative feedback from active galactic nuclei (AGN) is the leading mechanism for the quenching of massive galaxies in the vast majority of modern galaxy evolution models. However, direct observational evidence that AGN feedback causes…

星系天体物理 · 物理学 2022-06-29 Samuel Ruthven Ward , Chris Harrison , Tiago Costa , Vincenzo Mainieri

A major amendment in recent models of hierarchical galaxy formation is the inclusion of so-called AGN feedback. The energy input from an active central massive black hole is invoked to suppress star formation in early-type galaxies at later…

Environment is one of the key external drivers of the galaxies, while active galactic nucleus (AGN) is one of the key internal drivers. Both of them play fundamental roles in regulating the formation and evolution of galaxies. We explore…

星系天体物理 · 物理学 2019-07-04 Zhong-yi Man , Ying-jie Peng , Xu Kong , Ke-xin Guo , Cheng-peng Zhang , Jing Dou

We quantify the presence of Active Galactic nuclei (AGN) in a mass-complete (M_* >5e10 M_sun) sample of 123 star-forming and quiescent galaxies at 1.5 < z < 2.5, using X-ray data from the 4 Ms Chandra Deep Field-South (CDF-S) survey.…

宇宙学与河外天体物理 · 物理学 2015-06-12 Karen Pardos Olsen , Jesper Rasmussen , Sune Toft , Andrew W. Zirm

We study the effects of Active Galactic Nuclei (AGN) feedback on the formation and evolution of galaxies in a semi-analytic model of galaxy formation. This model is an improved version of the one described by Cora (2006), which now…

天体物理学 · 物理学 2009-11-13 Claudia del P. Lagos , Sofia A. Cora , Nelson D. Padilla , .

The mechanisms that bring galaxies to strongly reduce their star formation activity (star-formation quenching) is still poorly understood. To better study galaxy evolution, we propose a classification based on the maps of the ionised…

This is the first paper in a series using our MACER framework to investigate the evolution of a disk galaxy, which emphasizes the role of active galactic nucleus (AGN) feedback and incorporates cosmological inflows. This paper presents the…

星系天体物理 · 物理学 2026-03-13 Yuxuan Zou , Feng Yuan , Suoqing Ji , Luis C. Ho , Yingjie Peng , Jing Wang , Bocheng Zhu , Tao Wang
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