Hot accretion flows around black holes

F Yuan, R Narayan - Annual Review of Astronomy and …, 2014 - annualreviews.org
Black hole accretion flows can be divided into two broad classes: cold and hot. Whereas
cold accretion flows consist of cool optically thick gas and are found at relatively high mass …

Cosmic X-ray surveys of distant active galaxies: The demographics, physics, and ecology of growing supermassive black holes

WN Brandt, DM Alexander - The Astronomy and Astrophysics Review, 2015 - Springer
We review results from cosmic X-ray surveys of active galactic nuclei (AGNs) over the past
≈ 15≈ 15 years that have dramatically improved our understanding of growing …

Black hole binary formation in AGN discs: from isolation to merger

C Rowan, T Boekholt, B Kocsis… - Monthly Notices of the …, 2023 - academic.oup.com
Motivated by the increasing number of detections of merging black holes by LIGO-VIRGO-
KAGRA, black hole (BH) binary mergers in the discs of active galactic nuclei (AGNs) is …

Cosmological simulations of black hole growth: AGN luminosities and downsizing

M Hirschmann, K Dolag, A Saro… - Monthly Notices of …, 2014 - academic.oup.com
In this study, we present a detailed, statistical analysis of black hole growth and the evolution
of active galactic nuclei (AGN) using cosmological hydrodynamic simulations run down to z …

The XXL Survey-I. Scientific motivations− XMM-Newton observing plan− Follow-up observations and simulation programme

M Pierre, F Pacaud, C Adami, S Alis, B Altieri… - Astronomy & …, 2016 - aanda.org
Context. The quest for the cosmological parameters that describe our universe continues to
motivate the scientific community to undertake very large survey initiatives across the …

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 …

[LIBRO][B] The physics and evolution of active galactic nuclei

H Netzer - 2013 - books.google.com
" Research into active galactic nuclei (AGN)-the compact, luminous hearts of many galaxies-
is at the forefront of modern astrophysics. Understanding these objects requires extensive …

Obscuration-dependent evolution of active galactic nuclei

J Buchner, A Georgakakis, K Nandra… - The Astrophysical …, 2015 - iopscience.iop.org
We aim to constrain the evolution of active galactic nuclei (AGNs) as a function of
obscuration using an X-ray-selected sample of∼ 2000 AGNs from a multi-tiered survey …

Ancient light from young cosmic cities: physical and observational signatures of galaxy proto-clusters

YK Chiang, R Overzier, K Gebhardt - The Astrophysical Journal, 2013 - iopscience.iop.org
ABSTRACT A growing number of galaxy clusters at z= 1–2 is being discovered as part of
deep optical, IR, X-ray, and Sunyaev–Zel'dovich effect surveys. For a complete picture of …

Co-evolution of massive black holes and their host galaxies at high redshift: discrepancies from six cosmological simulations and the key role of JWST

M Habouzit, M Onoue, E Banados… - Monthly Notices of …, 2022 - academic.oup.com
ABSTRACT The James Webb Space Telescope will have the power to characterize high-
redshift quasars at z≥ 6 with an unprecedented depth and spatial resolution. While the …