SN 1961i

SN 1961i 是在1961年6月出現在M61（NGC 4303）的超新星，發現者是帕洛瑪天文台的米爾頓·赫馬森^[1]，是帕洛瑪天文台在當年發現的16顆超新星中最亮的^[2]。雖然它被弗裏茨·茲威基分類為III型超新星的原型，但其他的研究人員仍將它列為II型超新星^[3]^[4]。

參考資料

[1]
Bertaud, C., Les supernovae dans la nébuleuse NGC 4303, L'Astronomie, June 1961, 75: 268, Bibcode:1961LAstr..75..268B.
[2]
Humason, M. L.; Kearns, C. E.; Gomes, Alercio M., The 1961 Palomar Supernova Search, Publications of the Astronomical Society of the Pacific (University of Chicago Press), June 1962, 74: 215, Bibcode:1962PASP...74..215H, JSTOR 40673847, doi:10.1086/127790.
[3]
Doggett, J. B.; Branch, D., A comparative study of supernova light curves, Astronomical Journal, November 1985, 90: 2303–2311, Bibcode:1985AJ.....90.2303D, doi:10.1086/113934.
[4]
Spiro, S.; Pastorello, A.; Pumo, M. L.; Zampieri, L.; Turatto, M.; Smartt, S. J.; et al, Low luminosity Type II supernovae - II. Pointing towards moderate mass precursors, Monthly Notices of the Royal Astronomical Society, April 2014, 439: 2873–2892, Bibcode:2014MNRAS.439.2873S, arXiv:1401.5426 , doi:10.1093/mnras/stu156.