Obscured active galactic nuclei

RC Hickox, DM Alexander - Annual Review of Astronomy and …, 2018 - annualreviews.org
Active galactic nuclei (AGN) are powered by the accretion of material onto a supermassive
black hole (SMBH) and are among the most luminous objects in the Universe. However, the …

Revisiting the unified model of active galactic nuclei

H Netzer - Annual Review of Astronomy and Astrophysics, 2015 - annualreviews.org
This review describes recent developments related to the unified model of active galactic
nuclei (AGNs). It focuses on new ideas about the origin and properties of the central …

Spitzer's perspective of polycyclic aromatic hydrocarbons in galaxies

A Li - Nature Astronomy, 2020 - nature.com
Polycyclic aromatic hydrocarbon (PAH) molecules are abundant and widespread throughout
the Universe, as revealed by their distinctive set of emission bands at 3.3, 6.2, 7.7, 8.6, 11.3 …

Molecular line emission in NGC 1068 imaged with ALMA-I. An AGN-driven outflow in the dense molecular gas

S García-Burillo, F Combes, A Usero, S Aalto… - Astronomy & …, 2014 - aanda.org
Aims. We investigate the fueling and the feedback of star formation and nuclear activity in
NGC 1068, a nearby (D= 14 Mpc) Seyfert 2 barred galaxy, by analyzing the distribution and …

Redefining the torus: a unifying view of AGNs in the infrared and submillimeter

SF Hönig - The Astrophysical Journal, 2019 - iopscience.iop.org
The advent of high-angular-resolution IR and submillimeter interferometry allows for
spatially resolved observations of the parsec-scale environment of active galactic nuclei …

Black hole variability and the star formation–active galactic nucleus connection: do all star-forming galaxies host an active galactic nucleus?

RC Hickox, JR Mullaney, DM Alexander… - The Astrophysical …, 2014 - iopscience.iop.org
We investigate the effect of active galactic nucleus (AGN) variability on the observed
connection between star formation and black hole accretion in extragalactic surveys. Recent …

AGN feedback and star formation of quasar host galaxies: insights from the molecular gas

J Shangguan, LC Ho, FE Bauer, R Wang… - The Astrophysical …, 2020 - iopscience.iop.org
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) …

Cosmological simulations of quasar fueling to subparsec scales using lagrangian hyper-refinement

D Anglés-Alcázar, E Quataert, PF Hopkins… - The Astrophysical …, 2021 - iopscience.iop.org
We present cosmological hydrodynamic simulations of a quasar-mass halo (M halo≈ 10
12.5 M⊙ at z= 2) that for the first time resolve gas transport down to the inner 0.1 pc …

A high angular resolution view of the PAH emission in Seyfert galaxies using JWST/MRS data

I García-Bernete, D Rigopoulou… - Astronomy & …, 2022 - aanda.org
Polycyclic aromatic hydrocarbons (PAHs) are carbon-based molecules that are ubiquitous in
a variety of astrophysical objects and environments. In this work we use JWST/MIRI MRS …

A Herschel/PACS far-infrared line emission survey of local luminous infrared galaxies

T Díaz-Santos, L Armus, V Charmandaris… - The Astrophysical …, 2017 - iopscience.iop.org
We present an analysis of [] Oi 63,[Oiii] 88,[Nii] 122, and [] Cii 158 far-infrared (FIR) fine-
structure line observations obtained with Herschel/PACS, for∼ 240 local luminous infrared …