Talk:Giant diffuse galaxy

Text and/or other creative content from this version of Giant diffuse galaxy was copied or moved into Type-cD galaxy with this edit. The former page's history now serves to provide attribution for that content in the latter page, and it must not be deleted as long as the latter page exists.

term

The term "giant diffuse galaxy" is not in common use by astronomers. Nor is "cD galaxy" a "contraction" of "giant diffuse galaxy", as the article erroneously states. This page should be deleted and/or merged with Brightest Cluster Galaxy. ClarketheK (talk) 10:16, 1 November 2008 (UTC)[reply]

"c" is a Yerkes term for supergiant, "D" is the classification for diffuse, so it's a supergiant diffuse galaxy. "cD" is a Yerkes galaxy classification [1]. In current nomenclature, it's usually called a central dominant galaxy (cD) 70.29.208.247 (talk) 07:57, 15 April 2010 (UTC)[reply]