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An unusual white dwarf star may be a surviving remnant of a subluminous Type Ia supernova

Vennes, Stephane; Nemeth, P.; Kawka, Adela; Thorstensen, John R; Khalack, V.; Ferrario, Lilia; Alper, E H

Description

Subluminous Type Ia supernovae, such as the Type Iax–class prototype SN 2002cx, are described by a variety of models such as the failed detonation and partial deflagration of an accreting carbon-oxygen white dwarf star or the explosion of an accreting, hybrid carbon-oxygen-neon core. These models predict that bound remnants survive such events with, according to some simulations, a high kick velocity. We report the discovery of a high proper motion, low-mass white dwarf (LP 40-365) that travels...[Show more]

CollectionsANU Research Publications
Date published: 2017
Type: Journal article
URI: http://hdl.handle.net/1885/217843
Source: Science
DOI: 10.1126/science.aam8378

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