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 …

Galactic winds

S Veilleux, G Cecil… - Annu. Rev. Astron …, 2005 - annualreviews.org
▪ Abstract Galactic winds are the primary mechanism by which energy and metals are
recycled in galaxies and are deposited into the intergalactic medium. New observations are …

A global view of the inner accretion and ejection flow around super massive black holes-Radiation-driven accretion disk winds in a physical context

M Giustini, D Proga - Astronomy & Astrophysics, 2019 - aanda.org
Context. Understanding the physics and geometry of accretion and ejection around super
massive black holes (SMBHs) is important to understand the evolution of active galactic …

The nature and origin of Seyfert warm absorbers

AJ Blustin, MJ Page, SV Fuerst… - Astronomy & …, 2005 - aanda.org
We collate the results of recent high resolution X-ray spectroscopic observations of 23 AGN,
and use the resulting information to try to provide answers to some of the main open …

Evidence for ultra-fast outflows in radio-quiet active galactic nuclei. II. Detailed photoionization modeling of Fe K-shell absorption lines

F Tombesi, M Cappi, JN Reeves… - The Astrophysical …, 2011 - iopscience.iop.org
ABSTRACT X-ray absorption line spectroscopy has recently shown evidence for previously
unknown Ultra-fast Outflows (UFOs) in radio-quiet active galactic nuclei (AGNs). These have …

Nuclear activity in nearby galaxies

LC Ho - Annu. Rev. Astron. Astrophys., 2008 - annualreviews.org
A significant fraction of nearby galaxies show evidence of weak nuclear activity unrelated to
normal stellar processes. Recent high-resolution, multiwavelength observations indicate that …

Nustar spectroscopy of multi-component x-ray reflection from NGC 1068

FE Bauer, P Arévalo, DJ Walton, MJ Koss… - The Astrophysical …, 2015 - iopscience.iop.org
We report on high-energy X-ray observations of the Compton-thick Seyfert 2 galaxy NGC
1068 with NuSTAR, which provide the best constraints to date on its> 10 keV spectral shape …

XMM-Newton EPIC observations of 21 low-redshift PG quasars

D Porquet, JN Reeves, P O'brien… - Astronomy & …, 2004 - aanda.org
We present an X-ray spectral analysis of 21 low redshift quasars observed with XMM-
Newton EPIC. All the sources are Palomar Green quasars with redshifts between 0.05 and …

X-ray spectral survey with XMM–Newton of a complete sample of nearby Seyfert galaxies

M Cappi, F Panessa, L Bassani, M Dadina… - Astronomy & …, 2006 - aanda.org
Results obtained from an X-ray spectral survey of nearby Seyfert galaxies using XMM–
Newton are reported. The sample was optically selected, well defined, complete in B …

X-ray obscuration and obscured AGN in the local universe

M Guainazzi, G Matt, GC Perola - Astronomy & Astrophysics, 2005 - aanda.org
We discuss the X-ray properties of 49 local () Seyfert 2 galaxies with HST/WFC2 high-
resolution optical coverage. It includes the results of 26 still unpublished Chandra and XMM …