Active galactic nuclei: what's in a name?

P Padovani, DM Alexander, RJ Assef… - The Astronomy and …, 2017‏ - Springer
Active galactic nuclei (AGN) are energetic astrophysical sources powered by accretion onto
supermassive black holes in galaxies, and present unique observational signatures that …

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 …

JADES-The diverse population of infant black holes at 4< z< 11: Merging, tiny, poor, but mighty

R Maiolino, J Scholtz, E Curtis-Lake, S Carniani… - Astronomy & …, 2024‏ - aanda.org
Spectroscopy with the James Webb Space Telescope has opened the possibility of
identifying moderate-luminosity active galactic nuclei (AGNs) in the early Universe, at and …

The bolometric quasar luminosity function at z = 0–7

X Shen, PF Hopkins… - Monthly Notices of …, 2020‏ - academic.oup.com
In this paper, we provide updated constraints on the bolometric quasar luminosity function
(QLF) from z= 0 to z= 7. The constraints are based on an observational compilation that …

Cosmic Reionization in the JWST Era: Back to AGNs?

P Madau, E Giallongo, A Grazian… - The Astrophysical …, 2024‏ - iopscience.iop.org
Deep surveys with the James Webb Space Telescope (JWST) have revealed an emergent
population of moderate-luminosity, broad-line active galactic nuclei (AGNs) at 4≲ z≲ 13 …

Cosmological constraints from the Hubble diagram of quasars at high redshifts

G Risaliti, E Lusso - Nature Astronomy, 2019‏ - nature.com
The concordance model (Λ cold dark matter (Λ CDM) model, where Λ is the cosmological
constant) reproduces the main current cosmological observations,,–assuming the validity of …

Euclid. I. Overview of the Euclid mission

Y Mellier, A Abdurroúf, JAA Barroso… - Astronomy & …, 2024‏ - aanda.org
The current standard model of cosmology successfully describes a variety of measurements,
but the nature of its main ingredients, dark matter and dark energy, remains unknown. is a …

Quasar luminosity function at z= 7

Y Matsuoka, M Onoue, K Iwasawa… - The Astrophysical …, 2023‏ - iopscience.iop.org
We present the quasar luminosity function (LF) at z= 7, measured with 35 spectroscopically
confirmed quasars at 6.55< z< 7.15. The sample of 22 quasars from the Subaru High-z …

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 …

Nuclear obscuration in active galactic nuclei

CR Almeida, C Ricci - Nature Astronomy, 2017‏ - nature.com
The material surrounding accreting supermassive black holes connects the active galactic
nucleus with its host galaxy and, besides being responsible for feeding the black hole …