What does BLS1 stand for?

MLA style: "BLS1." Acronym Finder . 2012. AcronymFinder.com 27 May. 2012 http://www.acronymfinder.com/Broad_Line-Seyfert-1-(BLS1).html
Chicago style: Acronym Finder . S.v. "BLS1." Retrieved May 27 2012 from http://www.acronymfinder.com/Broad_Line-Seyfert-1-(BLS1).html
APA style: BLS1. (n.d.) Acronym Finder. (2012). Retrieved May 27 2012 from http://www.acronymfinder.com/Broad_Line-Seyfert-1-(BLS1).html

Broad-Line Seyfert 1

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