Comment on

• Supernova SN 2011fe from an exploding carbon-oxygen white dwarf star.

  Nugent PE, Sullivan M, Cenko SB, Thomas RC, Kasen D, Howell DA, Bersier D, Bloom JS, Kulkarni SR, Kandrashoff MT, Filippenko AV, Silverman JM, Marcy GW, Howard AW, Isaacson HT, Maguire K, Suzuki N, Tarlton JE, Pan YC, Bildsten L, Fulton BJ, Parrent JT, Sand D, Podsiadlowski P, Bianco FB, Dilday B, Graham ML, Lyman J, James P, Kasliwal MM, Law NM, Quimby RM, Hook IM, Walker ES, Mazzali P, Pian E, Ofek EO, Gal-Yam A, Poznanski D. Nugent PE, et al. Nature. 2011 Dec 14;480(7377):344-7. doi: 10.1038/nature10644. Nature. 2011. PMID: 22170680
• Exclusion of a luminous red giant as a companion star to the progenitor of supernova SN 2011fe.

  Li W, Bloom JS, Podsiadlowski P, Miller AA, Cenko SB, Jha SW, Sullivan M, Howell DA, Nugent PE, Butler NR, Ofek EO, Kasliwal MM, Richards JW, Stockton A, Shih HY, Bildsten L, Shara MM, Bibby J, Filippenko AV, Ganeshalingam M, Silverman JM, Kulkarni SR, Law NM, Poznanski D, Quimby RM, McCully C, Patel B, Maguire K, Shen KJ. Li W, et al. Nature. 2011 Dec 14;480(7377):348-50. doi: 10.1038/nature10646. Nature. 2011. PMID: 22170681