Results 21 to 30 of about 129,169 (226)

Radio Galaxies at TeV Energies

Galaxies, 2022
Unlike blazars, radio galaxies have jets that are misaligned relative to our line-of-sight. This misaligned geometry provides us with a unique view of both the jet and super massive black hole.
Cameron Rulten
doaj   +1 more source

NGC 4654: polarized radio continuum emission as a diagnostic tool for a galaxy--cluster interaction [PDF]

, 2006
A recent comparison between deep VLA HI observations and dynamical models of the Virgo cluster spiral galaxy NGC 4654 has shown that only a model involving a combination of a tidal interaction and ram pressure can reproduce the data.
Chyży, K. T., Otmianowska-Mazur, K., Soida, M., Vollmer, B.   +3 more
core   +2 more sources

On the environments of giant radio galaxies [PDF]

Monthly Notices of the Royal Astronomical Society, 2021
ABSTRACT We test the hypothesis that environments play a key role in enabling the growth of enormous radio structures spanning more than 700 kpc, an extreme population of radio galaxies called giant radio galaxies (GRGs). To achieve this, we explore (1) the relationships between the occurrence of GRGs and the surface number density of ...
Ting-Wen Lan 藍鼎文, J Xavier Prochaska   +1 more
openaire   +2 more sources

Clustering of galaxies around radio quasars at 0.5 < z < 0.8 [PDF]

, 1999
We have observed the galaxy environments around a sample of 21 radio-loud, steep-spectrum quasars at 0 ...
Abell, Allington-Smith, Andersen, Antonucci, Barthel, Barthel, Benítez, Best, Biretta, Burstein, Cardelli, Carlberg, Christian, Condon, Croft, Croft, Croom, Davis, de Robertis, Dickinson, Dopita, Downes, Eales, Ellingson, Ellingson, Fanti, Fisher, Forman, Fort, Fukugita, Groth, Guiderdoni, Guzzo, Hall, Hammer, Henry, Hill, Hudon, Hutchings, Jones, Kaiser, Kapahi, Kellerman, Koo, Kormendy, Lacy, Laing, Laing, Lake, Large, Le Fèvre, Lilje, Lilly, Lilly, Lin, Longair, Longair, Loveday, Loveday, Macklin, Magliocchetti, Magorrian, Margrethe Wold, Mark Lacy, Metcalfe, Miller, Morganti, Netzer, Oke, Peacock, Per B. Lilje, Prestage, Prestage, Rawlings, Reid, Riley, Rocca-Volmerange, Roche, Rosati, Rossitter, Schechter, Scheuer, Schmidtke, Schneider, Seldner, Serjeant, Serjeant, Serjeant, Smail, Small, Smith, Smith, Steidel, Stephen Serjeant, Stockton, Taylor, Valdes, Wilkinson, Willott, Willott, Wurtz, Yates, Yee, Yee, Yee, Yee, Zirbel   +106 more
core   +3 more sources

The Extended Radio Structures of Quasars and Radio Galaxies [PDF]

Symposium - International Astronomical Union, 1986
We have observed 20 classical double radio galaxies and quasars with MERLIN at 151 MHz. We discuss the systematic variation of the bridge structures with radio power and the nature of the identification.
J.P. Leahy, P.W. Stephens, T.W.B. Muxlow
openaire   +1 more source

X-ray and Radio Observations of the Radio Relic Galaxy Clusters 1RXS J0603.3+4214 and RXC J1053.7+5453

Galaxies, 2018
We study two galaxy clusters with radio relics, 1RXS J0603.3+4214 and RXC J1053.7+5453, through X-ray and radio observations. Radio relics are diffuse non-thermal radio sources found in outskirts of galaxy clusters.
Motokazu Takizawa
doaj   +1 more source

The discovery of a typical radio galaxy at z = 4.88 [PDF]

, 2009
‘The definitive version is available at www3.interscience.wiley.com '. Copyright Royal Astronomical Society. DOI: 10.1111/j.1745-3933.2009.00715.xIn this Letter, we report the discovery of a z= 4.88 radio galaxy discovered with a new technique which does
Matt J. Jarvis, Hanifa Teimourian, Chris Simpson, Daniel J. B. Smith, Steve Rawlings, David Bonfield, Becker, Best, Blundell, Bower, Brocklehurst, Brookes, Bruzual, Bryant, Carilli, Chambers, Cohen, Condon, Croton, Cruz, Cruz, De Breuck, De Breuck, De Breuck, Dunkley, Dunlop, Eales, Emonts, Fan, Gnedin, Gopal-Krishna, Iliev, Jarvis, Jarvis, Jarvis, Jarvis, Jarvis, Jarvis, Jarvis, Kewley, Lilly, Lonsdale, McCarthy, McLure, Magorrian, Miley, Miley, Oke, Rawlings, Rengelink, Seymour, Shaver, Stiavelli, van Breugel, van Ojik, Venemans, Waddington, Wall, Warren, Willott, Willott, Willott, Wilman, Wilman   +63 more
core   +2 more sources

Radio Galaxy Spectra

, 2001
4 pages, 3 figures, submitted to 'Particles & Fields in Radio Galaxies' eds Laing & Blundell, ASP conference ...
Jackson, C, Wall, J
openaire   +3 more sources

Dynamics of Powerful Radio Galaxies

Galaxies, 2023
Analytical models describing the dynamics of lobed radio sources are essential for interpretation of the tens of millions of radio sources that will be observed by the Square Kilometre Array and pathfinder instruments. We propose that historical models can be grouped into two classes in which the forward expansion of the radio source is driven by ...
Ross Turner, Stanislav Shabala
openaire   +3 more sources

Radio Galaxy Zoo: new giant radio galaxies in the RGZ DR1 catalogue [PDF]

Monthly Notices of the Royal Astronomical Society, 2020
ABSTRACT In this paper, we present the identification of five previously unknown giant radio galaxies (GRGs) using Data Release 1 of the Radio Galaxy Zoo citizen science project and a selection method appropriate to the training and validation of deep learning algorithms for new radio surveys.
H Tang, A M M Scaife, O I Wong, A D Kapińska, L Rudnick, S S Shabala, N Seymour, R P Norris   +7 more
openaire   +3 more sources