This article is within the scope of WikiProject Astronomy, which collaborates on articles related to Astronomy on Wikipedia.AstronomyWikipedia:WikiProject AstronomyTemplate:WikiProject AstronomyAstronomy articles
This article is or was the subject of a Wiki Education Foundation-supported course assignment. Further details are available on the course page. Peer reviewers: RedHummingbird.
This article was automatically assessed because at least one WikiProject had rated the article as stub, and the rating on other projects was brought up to Stub class. BetacommandBot09:44, 10 November 2007 (UTC)[reply]
Often used to refer to the AGN itself, rather than the host galaxy
Urry, C. Megan (1999) "BL Lac Objects and Blazars: Past, Present and Future", BL Lac Phenomenon conference held 22-26 June, 1998 in Turku, Finland, p. 3. -- available via arXiv preprintorHarvard non-OCRed scan
it looks like researchers often use it to mean the nuclei themselves. On the other hand, there are examples in the other direction like this. I will edit the intro's first sentence to reflect this. —Undomelin (talk) 21:55, 5 September 2018 (UTC)[reply]
level-5 vital article is rated Start-class on Wikipedia's content assessment scale.
This article is or was the subject of a Wiki Education Foundation-supported course assignment. Further details are available on the course page. Peer reviewers: RedHummingbird.
