Rest, A.; Prieto, J. L.; Walborn, N. R.; Smith, N.; Bianco, F. B.; Chornock, R.; Welch, D. L.; Howell, D. A.; Huber, M. E.; Foley, R. J.; Fong, W.; Sinnott, B.; Bond, H. E.; Smith, R. C.; Toledo, I.; Minniti, D.; Mandel, K. (2012). "Light echoes reveal an unexpectedly cool η Carinae during its nineteenth-century Great Eruption". Nature. 482 (7385): 375–8. arXiv:1112.2210. Bibcode:2012Natur.482..375R. doi:10.1038/nature10775. PMID 22337057. S2CID 205227548.