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Search for the Companions of Galactic SNe Ia

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From Twilight to Highlight: The Physics of Supernovae

Part of the book series: ESO ASTROPHYSICS SYMPOSIA ((ESO))

Abstract.

The central regions of the remnants of Galactic SNe Ia have been examined for the presence of companion stars of the exploded supernovae. We present the results of this survey for the historical SN 1572 and SN 1006. The spectra of the stars are modeled to obtain Teff, log g and the metallicity. Radial velocities are obtained with an accuracy of 5-10 km s-1. Implications for the nature of the companion star in SNeIa follow.

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Authors and Affiliations

  1. Department of Astronomy, University of Barcelona, Spain

    Pilar Ruiz-Lapuente, Javier Mendez & Ramon Canal

  2. Max-Planck Institut für Astrophysik, Garching, Germany

    Pilar Ruiz-Lapuente

  3. European Southern Observatory, Garching, Germany

    Fernando Comeron

  4. Institute of Astronomy, Cambridge, UK

    Stephen Smartt

  5. Harvard-Smithsonian Center for Astrophysics, Cambridge, USA

    Robert Kurucz

  6. Isaac Newton Group, La Palma, Spain

    Javier Mendez

  7. Department of Astronomy, University of California at Berkeley, USA

    Alex Filippenko & Ryan Chornock

Authors
  1. Pilar Ruiz-Lapuente
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  2. Fernando Comeron
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  3. Stephen Smartt
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  4. Robert Kurucz
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  5. Javier Mendez
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  6. Ramon Canal
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  7. Alex Filippenko
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  8. Ryan Chornock
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Wolfgang Hillebrandt Bruno Leibundgut

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Ruiz-Lapuente, P. et al. Search for the Companions of Galactic SNe Ia. In: Hillebrandt, W., Leibundgut, B. (eds) From Twilight to Highlight: The Physics of Supernovae. ESO ASTROPHYSICS SYMPOSIA. Springer, Berlin, Heidelberg. https://doi.org/10.1007/10828549_19

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  • DOI: https://doi.org/10.1007/10828549_19

  • Published:

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-00483-7

  • Online ISBN: 978-3-540-36427-6

  • eBook Packages: Springer Book Archive

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