Ionized outflows from active galactic nuclei as the essential elements of feedback

S Laha, CS Reynolds, J Reeves, G Kriss… - Nature …, 2021 - nature.com
Outflows from active galactic nuclei (AGNs) are one of the fundamental mechanisms by
which the central supermassive black hole interacts with its host galaxy. Detected in≥ 50 …

Experimental astrophysics with high power lasers and pinches

BA Remington, RP Drake, DD Ryutov - Reviews of Modern Physics, 2006 - APS
With the advent of high-energy-density (HED) experimental facilities, such as high-energy
lasers and fast Z-pinch, pulsed-power facilities, millimeter-scale quantities of matter can be …

BAT AGN spectroscopic survey. V. X-ray properties of the Swift/BAT 70-month AGN catalog

C Ricci, B Trakhtenbrot, MJ Koss, Y Ueda… - The Astrophysical …, 2017 - iopscience.iop.org
Hard X-ray (≥ 10 keV) observations of active galactic nuclei (AGNs) can shed light on some
of the most obscured episodes of accretion onto supermassive black holes. The 70-month …

Improved reflection models of black hole accretion disks: treating the angular distribution of X-rays

J García, T Dauser, A Lohfink, TR Kallman… - The Astrophysical …, 2014 - iopscience.iop.org
ABSTRACT X-ray reflection models are used to constrain the properties of the accretion
disk, such as the degree of ionization of the gas and the elemental abundances. In …

Evidence for ultra-fast outflows in radio-quiet AGNs-I. Detection and statistical incidence of Fe K-shell absorption lines

F Tombesi, M Cappi, JN Reeves… - Astronomy & …, 2010 - aanda.org
Context. Blue-shifted Fe K absorption lines have been detected in recent years between 7
and 10 keV in the X-ray spectra of several radio-quiet AGNs. The derived blue-shifted …

X-ray reflected spectra from accretion disk models. III. A complete grid of ionized reflection calculations

J García, T Dauser, CS Reynolds… - The Astrophysical …, 2013 - iopscience.iop.org
We present a new and complete library of synthetic spectra for modeling the component of
emission that is reflected from an illuminated accretion disk. The spectra were computed …

Wind from the black-hole accretion disk driving a molecular outflow in an active galaxy

F Tombesi, M Meléndez, S Veilleux, JN Reeves… - Nature, 2015 - nature.com
Powerful winds driven by active galactic nuclei are often thought to affect the evolution of
both supermassive black holes and their host galaxies, quenching star formation and …

Measuring black hole spin using X-ray reflection spectroscopy

CS Reynolds - The Physics of Accretion onto Black Holes, 2015 - Springer
I review the current status of X-ray reflection (aka broad iron line) based black hole spin
measurements. This is a powerful technique that allows us to measure robust black hole …

Mass loss from the nuclei of active galaxies

DM Crenshaw, SB Kraemer… - Annual Review of …, 2003 - annualreviews.org
▪ Abstract Blueshifted absorption lines in the UV and X-ray spectra of active galaxies reveal
the presence of massive outflows of ionized gas from their nuclei. The “intrinsic” UV and X …

Ubiquitous equatorial accretion disc winds in black hole soft states

G Ponti, RP Fender, MC Begelman… - Monthly Notices of …, 2012 - academic.oup.com
High-resolution spectra of Galactic black holes (GBHs) reveal the presence of highly ionized
absorbers. In one GBH, accreting close to the Eddington limit for more than a decade, a …