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SN 2017ens: The Metamorphosis of a Luminous Broadlined Type Ic Supernova into an SN IIn

Chen, T.-W.; Inserra, Cosimo; Fraser, M.; Moriya, T J; Schady, P; Schweyer, T; Filippenko, Alexei V.; Perley, D A; Ruiter, Ashley; Seitenzahl, Ivo; Sollerman, J.; Taddia, F; Anderson, Joseph P


We present observations of supernova (SN) 2017ens, discovered by the ATLAS survey and identified as a hot blue object through the GREAT program. The redshift z = 0.1086 implies a peak brightness of M g = −21.1 mag, placing the object within the regime of superluminous supernovae. We observe a dramatic spectral evolution, from initially being blue and featureless, to later developing features similar to those of the broadlined Type Ic SN 1998bw, and finally showing ~2000 km s−1 wide Hα and Hβ...[Show more]

CollectionsANU Research Publications
Date published: 2018-11-10
Type: Journal article
Source: Astrophysical Journal Letters
DOI: 10.3847/2041-8213/aaeb2e
Access Rights: Open Access


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