Results 201 to 210 of about 4,973 (222)

Feedback mechanisms stopping the star formation in a pair of massive galaxies in the early Universe

Pérez-González P, D'Eugenio F, Pino BRD, Perna M, Uebler H, Maiolino R, Arribas S, Lamperti I, Bunker A, Carniani S, Charlot S, Willott C, Böker T, Parlanti E, Scholtz J, Venturi G, Barro G, Costantin L, Navarro IM, Dunlop J, Magee D, Cresci G.   +21 more
europepmc   +1 more source

Radio-loud and Radio-quiet Active Galactic Nuclei [PDF]

Astronomical Journal, 1999
We have generated a sample of 409 active galactic nuclei (AGNs) for which both the radio luminosity at 5 GHz and the line luminosity in [O III] j5007 have been measured.
Chun Xu, Mario Livio, Stefi Baum
exaly   +4 more sources

Optical Singly-Ionized Iron Emission in Radio-Quiet and Relativistically Jetted Active Galactic Nuclei [PDF]

Universe, 2021
Funding Information: Funding: S.P. would like to acknowledge the financial support by the Polish Funding Agency National Science Centre, project 2017/26/A/ST9/00756 (MAESTRO 9), and from CNPq Fellowship (164753/2020-6). E.B.
Paola Marziani, M Berton, Swayamtrupta Panda   +2 more
exaly   +2 more sources

Unified Schemes for Radio-Loud Active Galactic Nuclei [PDF]

Publications of the Astronomical Society of the Pacific, 1995
88 pages, latex file, uses aaspp.sty macro (available via ftp from ftp://aas.org/pubs/aastex/). Accompanying 22 figures and 3 tables available at http://itovf2.roma2.infn.it/padovani/review.html. (Abstract is abridged.) The only change is that the revised version indicates this paper is an invited review for PASP, in press, September 1995 ...
C Megan Urry, P Padovani
exaly   +3 more sources

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Dual active galactic nuclei from rainbows to radio

2022
Simulations of galactic mergers predict that tidally-induced gas inflows can trigger synchronized accretion onto the supermassive black holes at the center of each galaxy. These should be observable as dual active galactic nuclei (dAGN) at kpc-scale separations. We test this prediction using a carefully selected sample of 35 radio galaxy pairs from the
Arran Gross, Keri Hoadley, Andrea Prestwich, Adam Myers, Casey DeRoo, Hai Fu   +5 more
openaire   +1 more source

Faint Radio Active Galactic Nuclei

Chinese Journal of Astronomy and Astrophysics, 2005
To separate the faint radio AGN population and a population of star-forming galaxies and then to determine the properties of each population it is necessary to couple deep radio and optical observations over a reasonably large area of sky. Here we present the preliminary results obtained cross-matching the photometric VIMOS survey (Visible MultiObject ...
openaire   +2 more sources

The kinetic luminosity of radio jets in active galactic nuclei

AIP Conference Proceedings, 2008
Based on the Konigl's inhomogeneous jet model, we estimate the jet parameters, such as bulk Lorentz factor Γ, viewing angle θ and electron number density ne from radio VLBI and X‐ray data for a sample of active galactic nuclei (AGNs). The kinetic luminosity of jets is then calculated using the derived jet parameters.
Minfeng Gu, Xinwu Cao, D. R. Jiang, Ye-Fei Yuan, Xiang-Dong Li, Dong Lai   +5 more
openaire   +1 more source

Radio properties of 10 nearby ultraluminous infrared galaxies with signatures of luminous buried active galactic nuclei

Monthly Notices of the Royal Astronomical Society, 2021
Takayuki J Hayashi, Yoshiaki Hagiwara, Masatoshi Imanishi   +2 more
exaly  

H i absorption towards radio active galactic nuclei of different accretion modes

Monthly Notices of the Royal Astronomical Society, 2020
Yogesh Chandola, D J Saikia, Di Li
exaly  

Inherent and Local Magnetic Field Structures in Jets from Active Galactic Nuclei

Galaxies, 2021
Denise C Gabuzda
exaly