Results 181 to 190 of about 1,075,291 (208)
A Faint Progenitor System for the Faint Supernova 2024vjm
Zimmerman E +69 more
europepmc +1 more source
Galaxy Tomography with the Gravitational Wave Background from Supermassive Black Hole Binaries
Chen Y.
europepmc +1 more source
Search and analysis of giant radio galaxies with associated nuclei (SAGAN) [PDF]
Astronomy and Astrophysics, 2020 Radio galaxies with jets of relativistic particles are usually hosted by massive elliptical galaxies with active nuclei powered by accretion of interstellar matter onto a supermassive black hole. In some rare cases (< 5%), their jets drive the overall structure to sizes larger than 700 kpc, and they are called giant radio galaxies (GRGs).
Pratik Dabhade +2 more
exaly +6 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, J Xavier Prochaska
exaly +3 more sources
Giant radio galaxies – I. Intergalactic barometers [PDF]
Monthly Notices of the Royal Astronomical Society, 2013 We present new wideband radio observations with the Australia Telescope Compact Array of a sample of 12 giant radio galaxies. The radio observations are part of a larger radio-optical study aimed at relating the radio structures with the ambient medium on large scales.
Lister Staveley-Smith +2 more
exaly +4 more sources
Giant radio galaxies – II. Tracers of large-scale structure [PDF]
Monthly Notices of the Royal Astronomical Society, 2015 Open AccessWe have carried out optical spectroscopy with the Anglo-Australian Telescope for 24 726 objects surrounding a sample of 19 giant radio galaxies (GRGs) selected to have redshifts in the range 0.05–0.15 and projected linear sizes from 0.8 to 3.2
Lister Staveley-Smith, L Saripalli
exaly +3 more sources
Discovery of giant radio galaxies from NVSS: radio and infrared properties [PDF]
Monthly Notices of the Royal Astronomical Society, 2017 24 pages, 34 figures. Published in MNRAS.
Pratik Dabhade +2 more
exaly +5 more sources
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Nature, 1976
A giant radio source with an unusual Z-shaped structure extending over nearly one degree on the sky has been detected around the nearby elliptical galaxy NGC315. The source has structure aligned with the minor axis of the optical galaxy on linear scales ranging from a few tens of kpc to ~ 1.7 Mpc. There is also a bright compact (
A. H. Bridle +5 more
openaire +1 more source
A giant radio source with an unusual Z-shaped structure extending over nearly one degree on the sky has been detected around the nearby elliptical galaxy NGC315. The source has structure aligned with the minor axis of the optical galaxy on linear scales ranging from a few tens of kpc to ~ 1.7 Mpc. There is also a bright compact (
A. H. Bridle +5 more
openaire +1 more source
Soft γ-ray selected radio galaxies: favouring giant size discovery [PDF]
Monthly Notices of the Royal Astronomical Society, 2016 Using the recent INTEGRAL/IBIS and Swift/BAT surveys we have extracted a sample of 64 confirmed plus three candidate radio galaxies selected in the soft gamma-ray band.
Angela Bazzano +2 more
exaly +2 more sources