Deletion of NGC 4993

Comment: NGC objects are clear passes of 
Stance: keep
Cited policy: Wikipedia:Notability (WP:NASTRO)

Comment: It does pass , specifically requirements 2 (listed in New General Catalogue) and 4 (discovered before 1850). I would suggest merging the content from GRB 170817A here, although the GRB article doesn't appear to have a lot more information than is already on this article
Stance: keep
Cited policy: Wikipedia:Notability (WP:NASTRO)

Comment: and it also passes the general notability guidelines. GRB's are not excluded by 
Stance: keep
Cited policy: Wikipedia:What Wikipedia is not (WP:NOT)

Comment: Obviously meets , as you can tell by catalog number alone - but not hard to confirm in the article. The nominator seems to have a problem with recent research in gamma ray bursts and is trying to delete all relevant articles. Who knows why? Concerns should be raised in talk pages not by (possibly) maliciously nominating articles for deletion (which is against Wikipedia rules). Anyway, regardless, clearly meets notability requirements
Stance: keep
Cited policy: Wikipedia:Notability (WP:NASTRO)