Robuta

https://www.aanda.org/articles/aa/ref/2013/06/aa21008-12/aa21008-12.html Spectrophotometric time series of SN 2011fe from the Nearby Supernova Factory | Astronomy &... nearby supernova factory time series sn 2011fe https://en.wikipedia.org/wiki/SN_2011fe SN 2011fe - Wikipedia sn 2011fe wikipedia