Compact steep-spectrum and peaked-spectrum radio sources

CP O'Dea, DJ Saikia - The Astronomy and Astrophysics Review, 2021 - Springer
Compact steep-spectrum (CSS) and peaked-spectrum (PS) radio sources are compact,
powerful radio sources. The multi-frequency observational properties and current theories …

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 …

Prevalence of radio jets associated with galactic outflows and feedback from quasars

ME Jarvis, CM Harrison, AP Thomson… - Monthly Notices of …, 2019 - academic.oup.com
Abstract We present 1–7 GHz high-resolution radio imaging (VLA and e-MERLIN) and
spatially resolved ionized gas kinematics for 10 z< 0.2 type 2 'obscured'quasars (log [L …

Kinematic linkage between the broad-and narrow-line-emitting gas in active galactic nuclei

R Zamanov, P Marziani, JW Sulentic… - The Astrophysical …, 2002 - iopscience.iop.org
We investigate the radial velocity difference between the [O III] λ λ 4959, 5007 and H β lines
for a sample of≈ 200 low-redshift active galactic nuclei. We identify seven objects showing …

High-resolution radio observations of Seyfert galaxies in the extended 12-μ m sample—I. The observations

A Thean, A Pedlar, MJ Kukula, SA Baum… - Monthly Notices of the …, 2000 - academic.oup.com
Abstract We present 8.4-GHz VLA A-configuration observations of 87 sources from the mid-
infrared-selected AGN sample of Rush et al. These 0.25-arcsec-resolution observations …

The nuclear regions of the seyfert galaxy NGC 4151: parsec-scale HI absorption and a remarkable radio jet

CG Mundell, JM Wrobel, A Pedlar… - The Astrophysical …, 2003 - iopscience.iop.org
Sensitive high angular and linear resolution radio images of the 240 pc radio jet in NGC
4151, imaged at linear resolutions of 0.3–2.6 pc using the VLBA and phased VLA at λ 21 cm …

Ultrahigh-energy cosmic-ray nuclei from black hole jets: Recycling galactic cosmic rays through shear acceleration

SS Kimura, K Murase, BT Zhang - Physical Review D, 2018 - APS
We perform Monte Carlo simulations of transrelativistic shear acceleration dedicated to a jet-
cocoon system of active galactic nuclei. A certain fraction of galactic cosmic rays in a halo is …

Average ultraviolet quasar spectra in the context of eigenvector 1: A Baldwin effect governed by the Eddington ratio?

R Bachev, P Marziani, JW Sulentic… - The Astrophysical …, 2004 - iopscience.iop.org
We present composite UV spectra for low-redshift type 1 active galactic nuclei binned to
exploit the information content of the eigenvector 1 (E1) parameter space. Composite …

Clouds and red giants interacting with the base of AGN jets

V Bosch-Ramon, M Perucho, MV Barkov - Astronomy & Astrophysics, 2012 - aanda.org
Context. Extragalactic jets are formed close to supermassive black-holes in the center of
galaxies. Large amounts of gas, dust, and stars cluster in the galaxy nucleus, and …

Galaxy‐scale AGN feedback–theory

AY Wagner, GV Bicknell, M Umemura… - Astronomische …, 2016 - Wiley Online Library
Powerful relativistic jets in radio galaxies are capable of driving strong outflows but also
inducing star‐formation by pressure‐triggering collapse of dense clouds. We review …