Active galactic nucleus
id:
active-galactic-nucleus-181-11953486
title:
Active galactic nucleus
text:
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, with characteristics indicating that this luminosity is not produced by the stars. Such excess, non-stellar emissions have been observed in the radio, microwave, infrared, optical, ultra-violet, X-ray and gamma ray wavebands. A galaxy hosting an AGN is called an active galaxy. The non-stellar radiation from an AGN is theorized to result fro
brand slug:
wiki
category slug:
encyclopedia
description:
Compact region at a galaxy's center with abnormally high luminosity
original url:
https://en.wikipedia.org/wiki/Active_galactic_nucleus
date created:
2003-01-31T09:54:08Z
date modified:
2024-09-06T02:08:28Z
main entity:
{"identifier":"Q46587","url":"https://www.wikidata.org/entity/Q46587"}
image:
fields total:
13
integrity:
15