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bn:01011557n
Noun Concept
Categories: Astronomical classification systems, Concepts in astronomy, Active galaxy types, Articles with short description
EN
active galactic nucleus  Active galaxy nuclei  Galaxy AGN classification  active galactic nuclei  active galaxies
EN
An active galactic nucleus is a compact region at the center of a galaxy that emits a significant amount of energy across the electromagnetic spectrum, with characteristics indicating that the luminosity is not produced by stars. Wikipedia
Definitions
Relations
Sources
EN
An active galactic nucleus is a compact region at the center of a galaxy that emits a significant amount of energy across the electromagnetic spectrum, with characteristics indicating that the luminosity is not produced by stars. Wikipedia
A compact region at the center of a galaxy that has a much higher than normal luminosity over at least some portion, and possibly all, of the electromagnetic spectrum. Wiktionary
Region. Wiktionary (translation)
IS A
galaxy
HAS PART
supermassive black hole
PART OF
galaxy
galactic bulge
HAS KIND
quasar
Seyfert galaxy
radio galaxy
BL Lacertae object
HAS INSTANCE
NGC 4261
NGC 4450
NGC 5087
NGC 5291
NGC 5371
+463 relations
DESCRIBED BY SOURCE
Internetowa encyklopedia PWN
Wikipedia
EN
active galactic nucleus
Wikidata
EN
active galactic nucleus
Wiktionary
EN
active galactic nucleus
Wikipedia Redirections
EN
active galactic nuclei, Active Galactic Nucleus, active galaxies, active galaxy, Active Galaxy Nuclei, Active galaxy nuclei, active galaxy nucleus, AGN classification, broad-line region, Broad line region, galactic nuclei, galactic nucleus, Galaxy active galactic nucleus classification, Galaxy AGN classification, Galaxy agn classification, host galaxy, narrow-line region, Seyfert flare, United Theory of Active Galaxies
Wikidata Alias
EN
Active galaxy, AGN

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