An active galactic nucleus (AGN) is a compact region at the center of a galaxy that emits a significant amount of energy across the electromagnetic spectrum...
48 KB (6,017 words) - 12:43, 17 July 2024
Radio galaxy (redirect from Double Radio source Active Galactic Nucleus)
structure. These energetic radio lobes are powered by jets from its active galactic nucleus. They have luminosities up to 1039 W at radio wavelengths between...
23 KB (3,059 words) - 01:49, 17 July 2024
Galaxy (redirect from Galactic magnetic fields)
"active" if they contain an active galactic nucleus (AGN). A significant portion of the galaxy's total energy output is emitted by the active nucleus instead...
158 KB (15,910 words) - 18:06, 19 July 2024
NGC 5643 (section Active galactic nucleus)
about 40 million light-years (12.5 megaparsecs). NGC 5643 has an active galactic nucleus and is a type II Seyfert galaxy. The galaxy was first discovered...
13 KB (1,554 words) - 12:55, 18 July 2024
the Milky Way's 1 M☉ per annum of star production); the central active galactic nucleus attested to not have been producing sufficient energy to ionize...
13 KB (1,422 words) - 01:14, 17 July 2024
Outline of galaxies (section By nucleus)
general Active galactic nucleus Galactic bulge Galactic disc Galactic habitable zone Galactic halo Dark matter halo Galactic corona Galactic magnetic...
9 KB (780 words) - 16:00, 20 July 2024
Quasar (category Active galaxy types)
A quasar (/ˈkweɪzɑːr/ KWAY-zar) is an extremely luminous active galactic nucleus (AGN). It is sometimes known as a quasi-stellar object, abbreviated QSO...
66 KB (7,916 words) - 17:17, 18 July 2024
BL Lacertae object (category Active galaxy types)
of active galactic nucleus (AGN) or a galaxy with such an AGN, named after its prototype, BL Lacertae. In contrast to other types of active galactic nuclei...
8 KB (977 words) - 14:36, 17 July 2024
NGC 7469 (section Active galactic nucleus)
region. The coexistence of a circumnuclear starburst ring and an active galactic nucleus have turned NGC 7469 into a key target for studying their relation...
25 KB (2,905 words) - 03:36, 28 April 2024
NGC 5506 (section Active nucleus)
August 2018). "Multi-epoch analysis of the X-ray spectrum of the active galactic nucleus in NGC 5506". Monthly Notices of the Royal Astronomical Society...
11 KB (1,160 words) - 06:54, 28 May 2024