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Spectroscopy of the type Ia supernova 2011fe past 1000 d

Taubenberger, Stefano; Elias-Rosa (Elias de la Rosa), Nancy; Kerzendorf, Wolfgang; Hachinger, S; Spyromilio, Jason; Fransson, Claes; Kromer, M; Ruiter, Ashley; Seitenzahl, Ivo; Benetti, Stefano; Cappellaro, Enrico; Pastorello, A; Turatto, Massimo; Marchetti, A

Description

In this Letter we present an optical spectrum of SN 2011fe taken 1034 d after the explosion, several hundred days later than any other spectrum of a Type Ia supernova (disregarding lightecho spectra and Local Group remnants). The spectrum is still dominated by broad emission features, with no trace of a light echo or interaction of the supernova ejecta with surrounding interstellar material. Comparing this extremely late spectrum to an earlier one taken 331 d after the explosion, we find that...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
URI: http://hdl.handle.net/1885/102527
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnrasl/slu201

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