- ^ 1.0 1.1 Skrutskie, 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. The Two Micron All Sky Survey (2MASS). The Astronomical Journal. 1 February 2006, 131: 1163–1183 [2022-06-20]. ISSN 0004-6256. doi:10.1086/498708. (原始内容存档于2022-04-02).
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- ^ Results for object NGC 3254 (NGC 3254). NASA/IPAC Extragalactic Database. California Institute of Technology. [2021-05-17]. (原始内容存档于2022-06-20).
- ^ Seligman, Courtney. New General Catalogue objects: NGC 3250 - 3299. cseligman.com. [2021-05-17]. (原始内容存档于2019-08-30).
- ^ SN 1941B. SIMBAD. 斯特拉斯堡天文資料中心. [2021-05-17].
- ^ A Galactic Powerhouse. [July 14, 2021]. (原始内容存档于2022-06-25).