Results 111 to 120 of about 643 (219)
Radio Emission from High-redshift Active Galactic Nuclei in the JADES and CEERS Surveys
The Astronomical JournalRecent calculations indicate that radio emission from quasars at z ∼ 6–7 could be detected at much earlier stages of evolution, at z ∼ 14–15, by the Next-Generation Very Large Array (ngVLA) and the Square Kilometer Array (SKA).
Muhammad A. Latif +2 more
doaj +1 more source
BROADBAND X-RAY SPECTRA OF TWO LOW-LUMINOSITY ACTIVE GALACTIC NUCLEI NGC 1566 AND NGC 4941 OBSERVED WITHSUZAKU [PDF]
, 2013 Taiki Kawamuro +3 more
openalex +1 more source
Hot accretion flows in low-luminosity active galactic nuclei in NGC 4258 and NGC 7213 [PDF]
, 2022 Michał Szanecki +2 more
openalex +1 more source
The Astrophysical JournalHow a seemingly “dead” host galaxy provides fuel for its active galactic nucleus (AGN) remains an unresolved problem. Using the Five-hundred-meter Aperture Spherical radio Telescope (FAST), we present a new high-sensitivity atomic-hydrogen (H i ...
Jin-Long Xu +6 more
doaj +1 more source
Strongly Magnetized Accretion with Low Angular Momentum Produces a Weak Jet
The Astrophysical JournalWe study the spherical accretion of magnetized plasma with low angular momentum onto a supermassive black hole, utilizing global general relativistic magnetohydrodynamic simulations.
Alisa Galishnikova +4 more
doaj +1 more source
Possible High-Redshift, Low-Luminosity Active Galactic Nuclei in the Hubble Deep Field [PDF]
, 1998 R. Michael Jarvis, Gordon M. MacAlpine
openalex +1 more source
Ensemble Variability Properties of Active Galactic Nuclei in the SDSS DR17
The Astrophysical JournalWe present the results from a study of ∼9600 broadline-selected active galactic nuclei (AGNs) with host galaxies detected from the Sloan Digital Sky Survey (SDSS) Data Release 17.
Krittapas Chanchaiworawit +1 more
doaj +1 more source
Radio Luminosity Function, Importance of Jet Power, and Radio Properties of Nearby Low-Luminosity Active Galactic Nuclei [PDF]
, 2004 Neil M. Nagar, H. Falcke, A. S. Wilson
openalex +1 more source
On the variable nature of low luminosity active galactic nuclei
, 2015 Tesis Univ. Granada.
openaire +3 more sources
The Astrophysical JournalRadio galaxies are a subclass of active galactic nuclei that drive relativistic jets from their center and are observed in radio to very-high-energy gamma rays. The emission mechanisms and regions are still unknown.
Riku Kuze, Shigeo S. Kimura, Kenji Toma
doaj +1 more source