On Dec. 17, 2006, a supernova designated SN 2006ss was discovered 22.7″ north and 11.9″ east of the galactic center. It was determined to be a type IIb supernova based on the spectrum.
References
123Adelman-McCarthy, J. K.; etal. (2011), "The SDSS Photometric Catalog, Release 8", VizieR On-line Data Catalog: II/306, Bibcode:2011yCat.2306....0A.
↑de Vaucouleurs, Gerard; de Vaucouleurs, Antoinette; Corwin, Herold G. Jr.; Buta, Ronald J.; etal. (1991), Third Reference Catalogue of Bright Galaxies, vol.1–3, Berlin / Heidelberg / New York: Springer-Verlag, Bibcode:1991rc3..book.....D, ISBN978-3-540-97552-6.
↑Arp, Halton (1966), Atlas of Peculiar Galaxies, Pasadena, California: California Institute of Technology, retrieved 5 Jan 2010.
↑Boles, T. (December 2006), "Supernova 2006ss in NGC 5579", Central Bureau Electronic Telegrams (774): 1, Bibcode:2006CBET..774....1B.
↑Blondin, S.; etal. (December 2006), Green, D. W. E. (ed.), "Supernova 2006ss in NGC 5579", Central Bureau Electronic Telegrams (781): 1, Bibcode:2006CBET..781....1B.