Type Ia supernovae from sub-chandrasekhar mass white dwarfs

Stuart A. Sim*, Friedrich K. Röpke, Markus Kromer, Michael Fink, Ashley J. Ruiter, Ivo R. Seitenzahl, Rüdiger Pakmor, Wolfgang Hillebrandt

*Corresponding author for this work

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    2 Citations (Scopus)

    Abstract

    We argue that detonations of sub-Chandrasekhar mass white dwarfs can lead to bright explosions with light curves and spectra similar to those of observed Type Ia supernovae. Given that binary systems containing accreting sub-Chandrasekhar mass white dwarfs should be common, this suggests that a non-negligible fraction of the observed Type Ia supernova rate may arise from sub-Chandrasekhar mass explosions, if they can be ignited. We discuss aspects of how such explosions might be realized in nature and both merits and challenges associated with invoking sub-Chandrasekhar mass explosion models to account for observed Type Ia supernovae.

    Original languageEnglish
    Title of host publicationBinary Paths to Type Ia Supernovae Explosions
    PublisherCambridge University Press
    Pages267-274
    Number of pages8
    EditionS281
    ISBN (Print)9781107019812
    DOIs
    Publication statusPublished - Jul 2011

    Publication series

    NameProceedings of the International Astronomical Union
    NumberS281
    Volume7
    ISSN (Print)1743-9213
    ISSN (Electronic)1743-9221

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