The diverse cold molecular gas contents, morphologies, and kinematics of type-2 quasars as seen by ALMA

CR Almeida, M Bischetti, S García-Burillo… - Astronomy & …, 2022 - aanda.org
We present CO (2− 1) and adjacent continuum observations of seven nearby radio-quiet
type-2 quasars (QSO2s) obtained with ALMA at∼ 0.2 ″resolution (370 pc at z∼ 0.1). These …

Galaxy interactions are the dominant trigger for local type 2 quasars

JCS Pierce, C Tadhunter… - Monthly Notices of …, 2023 - academic.oup.com
The triggering mechanism for the most luminous, quasar-like active galactic nuclei (AGN)
remains a source of debate, with some studies favouring triggering via galaxy mergers, but …

Interacting galaxies in the IllustrisTNG simulations− IV: enhanced supermassive black hole accretion rates in post-merger galaxies

S Byrne-Mamahit, MH Hani, SL Ellison… - Monthly Notices of …, 2023 - academic.oup.com
We present an analysis of the instantaneous supermassive black hole (SMBH) accretion
rates in a collection of 1563 post-merger galaxies drawn from the IllustrisTNG simulation …

Warm molecular and ionized gas kinematics in the type-2 quasar J0945+ 1737

G Speranza, CR Almeida, JA Acosta-Pulido… - Astronomy & …, 2022 - aanda.org
We analyse Near-Infrared Integral Field Spectrograph (NIFS) observations of the type-2
quasar (QSO2) SDSS J094521. 33+ 173753.2 to investigate its warm molecular and ionized …

The interconnection between galaxy mergers, AGN activity, and rapid quenching of star formation in simulated post-merger galaxies

S Quai, S Byrne-Mamahit, SL Ellison… - Monthly Notices of …, 2023 - academic.oup.com
We investigate the role of galaxy mergers on supermassive black hole (SMBH) accretion
and star formation quenching in three state-of-the-art cosmological simulations with …

Spatially resolved evidence of the impact of quasar-driven outflows on recent star formation: the case of Mrk 34

PS Bessiere, C Ramos Almeida - Monthly Notices of the Royal …, 2022 - academic.oup.com
We present the results of our spatially resolved investigation into the interplay between the
ages of the stellar populations and the kinematics of the warm ionized outflows in the well …

Interacting galaxies in the IllustrisTNG simulations–VII: the connection between the most luminous active galactic nuclei and galaxy interactions

S Byrne-Mamahit, DR Patton, SL Ellison… - Monthly Notices of …, 2024 - academic.oup.com
We investigate the connection between the most luminous active galactic nuclei (AGN),
galaxy pairs, and post-mergers in the IllustrisTNG simulation. We select galaxy pairs and …

Dust and power: Unravelling the merger-active galactic nucleus connection in the second half of cosmic history

A La Marca, B Margalef-Bentabol, L Wang… - Astronomy & …, 2024 - aanda.org
Aims. Galaxy mergers represent a fundamental physical process under hierarchical
structure formation, but their role in triggering active galactic nuclei (AGNs) is still unclear …

Obscured AGN enhancement in galaxy pairs at cosmic noon: evidence from a probabilistic treatment of photometric redshifts

SL Dougherty, CM Harrison… - Monthly Notices of …, 2024 - academic.oup.com
Observations of the nearby universe reveal an increasing fraction of active galactic nuclei
(AGNs) with decreasing projected separation for close galaxy pairs, relative to control …

Selection of powerful radio galaxies with machine learning

R Carvajal, I Matute, J Afonso, RP Norris… - Astronomy & …, 2023 - aanda.org
Context. The study of active galactic nuclei (AGNs) is fundamental to discern the formation
and growth of supermassive black holes (SMBHs) and their connection with star formation …