2MASX J14585972+5355234, CGCG 273-039, CGCG 274-005, IRAS F14575+5407, GC 4028, GC 4030, H 3.811., LEDA 53532, LGG 395-006, MCG+09-25-002, PGC 53532, UGC 9648, UZC J145859.7+535524, Z 273-39, Z 1457.5+5407, Z 274-5[5]
NGC 5821 is a spiral galaxy with a ring structure[4] in the constellation Boötes. It lies near a similarly massed galaxy, NGC 5820, at the same redshift. Both galaxies were discovered by the astronomer William Herschel.[6]
References
^ abSkrutskie, Michael F.; Cutri, Roc M.; Stiening, Rae; Weinberg, Martin D.; Schneider, Stephen E.; Carpenter, John M.; Beichman, Charles A.; Capps, Richard W.; Chester, Thomas; Elias, Jonathan H.; Huchra, John P.; Liebert, James W.; Lonsdale, Carol J.; Monet, David G.; Price, Stephan; Seitzer, Patrick; Jarrett, Thomas H.; Kirkpatrick, J. Davy; Gizis, John E.; Howard, Elizabeth V.; Evans, Tracey E.; Fowler, John W.; Fullmer, Linda; Hurt, Robert L.; Light, Robert M.; Kopan, Eugene L.; Marsh, Kenneth A.; McCallon, Howard L.; Tam, Robert; Van Dyk, Schuyler D.; Wheelock, Sherry L. (1 February 2006). "The Two Micron All Sky Survey (2MASS)". The Astronomical Journal. 131 (2): 1163–1183. Bibcode:2006AJ....131.1163S. doi:10.1086/498708. ISSN0004-6256. S2CID18913331.
^ abCorwin, Harold G. Jr.; Buta, Ronald J.; de Vaucouleurs, G. (December 1994), "Corrections and Additions to the Third Reference Catalogue of Bright Galaxies", Astronomical Journal, 108 (6): 2128–2144, Bibcode:1994AJ....108.2128C, doi:10.1086/117225