Results 61 to 70 of about 256,920 (281)
RADIO RELICS IN CLUSTERS OF GALAXIES
Journal of The Korean Astronomical Society, 2004 6 pages, 8 figures. Proceedings of the 3rd Korean Astrophysics Workshop "Cosmic Rays and Magnetic Fields in Large Scale Structure", Pusan, Korea, August 2004, eds. H. Kang & D.
GIOVANNINI, GABRIELE, FERETTI L.
openaire +4 more sources
Radio galaxy zoo EMU: towards a semantic radio galaxy morphology taxonomy
Monthly Notices of the Royal Astronomical Society, 2023 ABSTRACT We present a novel natural language processing (NLP) approach to deriving plain English descriptors for science cases otherwise restricted by obfuscating technical terminology. We address the limitations of common radio galaxy morphology classifications by applying this approach.
Micah Bowles +22 more
openaire +4 more sources
The X-ray and radio structure of extragalactic jets
Вісник Астрономічної школи, 2011 The internal structure of jets from active galaxies is explored using the X-ray and radio data. The transverse intensity distributions of X-ray knots in jet are calculated and compared with corresponding intensity distributions for radio knots.
V. V. Marchenko +4 more
doaj +1 more source
The core fundamental plane of B2 radio galaxies
, 2009 The photometric, structural and kinematical properties of the centers of elliptical galaxies, harbor important information of the formation history of the galaxies.
Balmaverde +40 more
core +1 more source
Statistical Properties of Radio Emission from the Palomar Seyfert Galaxies [PDF]
, 2001 We have carried out an analysis of the radio and optical properties of a statistical sample of 45 Seyfert galaxies from the Palomar spectroscopic survey of nearby galaxies.
Antonucci R. R. J. +15 more
core +2 more sources
The Astrophysical Journal, 2023 Powerful radio sources associated with supermassive black holes are among the most luminous objects in the universe, and are frequently recognized both as cosmological probes and active constituents in the evolution of galaxies.
Bjorn H. C. Emonts +8 more
doaj +1 more source
A Wide and Deep Exploration of Radio Galaxies with Subaru HSC (WERGS). VII. Redshift Evolution of Radio Galaxy Environments at z=0.3-1.4 [PDF]
, 2022 We examine the redshift evolution of density environments around 2,163 radio galaxies with the stellar masses of $\sim10^{9}-10^{12} M_\odot$ between redshifts of $z=0.3-1.4$, based on the Hyper Suprime-Cam Subaru Strategic Program (HSC-SSP) and Faint Images of the Radio Sky at Twenty-cm (FIRST).
arxiv +1 more source
HI absorption in Radio Galaxies [PDF]
Symposium - International Astronomical Union, 2002 Twenty-two powerful radio galaxies have been searched for HI absorption. We find the highest probability of detecting HI in absorption among narrow-line compact (or small) galaxies or galaxies with indication of richer interstellar medium (i.e. with ongoing or recent star-formation).
Tom Oosterloo +4 more
openaire +3 more sources
On The Parent Population of Radio Galaxies and the FRI - FRII Dichotomy [PDF]
, 2001 We test the hypothesis that radio galaxies are a random subset of otherwise normal elliptical galaxies. Starting with the observed optical luminosity functions for elliptical galaxies, we show that the probability of an elliptical forming a radio source is a continuous, increasing function of optical luminosity, proportional to L squared.
arxiv +1 more source
Cosmic ray acceleration to ultrahigh energy in radio galaxies [PDF]
EPJ Web of Conferences, 2019 The origin of ultrahigh energy cosmic rays (UHECRs) is an open question. In this proceeding, we first review the general physical requirements that a source must meet for acceleration to 10-100 EeV, including the consideration that the shock is not ...
Matthews James H. +3 more
doaj +1 more source