Results 21 to 30 of about 8,445,656 (161)

HYDRODYNAMIC MODELS OF RADIO GALAXY MORPHOLOGY: WINGED AND X-SHAPED SOURCES [PDF]

The Astrophysical Journal, 2011
We present three-dimensional hydrodynamic models of radio galaxies interacting with initially relaxed hot atmospheres and explore the significant off-axis radio lobe structures which result under certain conditions. With a focus on the "winged" and "X-shaped" radio galaxy population, we confirm the importance of observed trends such as the connection ...
Hodges-Kluck, Edmund J., Reynolds, Christopher S.   +1 more
openaire   +2 more sources

X-shaped Radio Galaxies: Optical Properties, Large-scale Environment, and Relationship to Radio Structure [PDF]

The Astrophysical Journal, 2019
Abstract In pursuit of clues to the origin of “winged” or X-shaped radio galaxies (XRGs) we investigate the parent galaxies of a large sample of 106 XRGs for optical–radio axes alignment, interstellar medium, black hole mass, and large-scale environment.
Ravi Joshi, Gopal Krishna, Xiaolong Yang, Jingjing Shi, Si-Yue Yu, Paul J. Wiita, Luis C. Ho, Xue-Bing Wu, Tao An, Ran Wang, Smitha Subramanian, Hassen Yesuf   +11 more
openaire   +2 more sources

Arp 299-A: More than just a prolific supernova factory [PDF]

, 2010
We present partial results from our monitoring of the nuclear region of the starburst galaxy IC 694 (=Arp 299-A) at radio wavelengths, aimed at discovering recently exploded core-collapse supernovae, as well as to determine their rate of explosion, which
Marco Bondi, Alberdi, Antonio, Bondi, Marco, Antxon Alberdi, Cristina Romero-Canizales, Polatidis, Antonis, Pérez-Torres, Miguel A, Antonis Polatidis, Miguel Perez-Torres, Perez-Torres, Miguel A., Romero-Canizales, Cristina   +10 more
core   +1 more source

A radio through x-ray study of the jet/companion-galaxy interaction in 3C 321 [PDF]

, 2008
We present a multiwavelength study of the nucleus, environment, jets, and hot spots of the nearby FR II radio galaxy 3C 321, using new and archival data from MERLIN, the VLA, Spitzer, HST, and Chandra.
Muxlow, Tom W B, Lee, Julia C., Fong, Wen-Fai, Fong, Wen‐Fai, Croston, Judith H., Lee, Julia C, Birkinshaw, Mark, Fong, W., Muxlow, T.W.B., Hardcastle, M.J., Kraft, R.P., Hardcastle, Martin J., Worrall, Diana M, Muxlow, Tom W.B., Hardcastle, Martin J, Croston, J.H., Evans, Daniel A., Kraft, Ralph P., Evans, Daniel A, Evans, D.A., Kraft, Ralph P, Croston, Judith H, Lee, J.C., Worrall, DM, Birkinshaw, M, Worrall, Diana M., Muxlow, Tom W. B.   +26 more
core   +1 more source

X-shaped radio galaxies as observational evidence for the interaction of supermassive binary black holes and accretion disk at pc scale [PDF]

, 2003
In the hierarchical galaxy formation model, today's galaxies are the product of frequent galaxy merging, triggering the activity of active galactic nuclei and forming a supermassive black hole binary. A binary may become stalling at the parsec scale
Liu, F. K.
core   +1 more source

GMRT Low-frequency Imaging of an Extended Sample of X-shaped Radio Galaxies [PDF]

The Astronomical Journal, 2019
Abstract We present a low-frequency imaging study of an extended sample of X-shaped radio sources using the Giant Metrewave Radio Telescope (GMRT) at two frequencies (610 and 240 MHz). The sources were drawn from a Very Large Array Radio Images of the Sky at Twenty-Centimeters (FIRST) selected sample and extend an initial GMRT study at ...
Dharam V. Lal, Biny Sebastian, C. C. Cheung, A. Pramesh Rao   +3 more
openaire   +2 more sources

IGR J14488-4008: An X-ray peculiar giant radio galaxy discovered by INTEGRAL [PDF]

, 2015
In this paper, we report the discovery and detailed radio/X-ray analysis of a peculiar giant radio galaxy (GRG) detected by INTEGRAL, IGR J14488-4008.
Lal, D. Vir, Molina, M, VENTURI, Tiziana, Malizia, A., Vir Lal, D., Bassani, L., Bird, A. J., Molina, M., MALIZIA, ANGELA, Venturi, T., Ubertini, P., DALLACASA, DANIELE, BASSANI, LOREDANA   +12 more
core   +1 more source

Host Galaxies of X-Shaped Radio Sources [PDF]

, 2007
Most radiation from galaxies containing active galactic nuclei (AGNs) is emitted not by the stars composing the galaxy, but from an active source at the galactic center, most likely a supermassive black hole.
Cheung, C., Springmann, A.
core  

X-shaped radio galaxy 3C 315

BOOK OF ABSTRACTS AND CONTRIBUTED PAPERS - International Meeting on Data for Atomic and Molecular Processes in Plasmas: Advances in Standards and Modelling
AbstractHere we want to investigate X-shaped radio galaxy 3C 315, which is a FRII source, but it lies very close to the FRI/FRII borderline. We used publicly available data from Leahy’s atlas of double radio-sources and NASA/IPAC Extragalactic Database (NED) in order to investigate its flux density, as well as the spectral index distribution.
Jovanović, V. Borka, Borka, D., Jovanović, P.   +2 more
openaire   +2 more sources

Deciphering the Morphological Origins of X-shaped Radio Galaxies: Numerical Modeling of Backflow versus Jet Reorientation

The Astrophysical Journal Supplement Series, 2023
Abstract X-shaped radio galaxies (XRGs) develop when certain extragalactic jets deviate from their propagation path. An asymmetric ambient medium (backflow model) or complex active galactic nucleus activity (jet-reorientation model) enforcing the jet direction to deviate may cause these structures.
Gourab Giri, Bhargav Vaidya, Christian Fendt   +2 more
openaire   +3 more sources