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A Wolf–Rayet-like progenitor of SN 2013cu from spectral observations of a stellar wind

Author

Listed:
  • Avishay Gal-Yam

    (Weizmann Institute of Science, Rehovot 76100, Israel)

  • I. Arcavi

    (Weizmann Institute of Science, Rehovot 76100, Israel)

  • E. O. Ofek

    (Weizmann Institute of Science, Rehovot 76100, Israel)

  • S. Ben-Ami

    (Weizmann Institute of Science, Rehovot 76100, Israel)

  • S. B. Cenko

    (NASA Goddard Space Flight Center, Mail Code 661, Greenbelt, Maryland 20771, USA)

  • M. M. Kasliwal

    (Observatories of the Carnegie Institution for Science, 813 Santa Barbara Street)

  • Y. Cao

    (Cahill Center for Astrophysics, California Institute of Technology)

  • O. Yaron

    (Weizmann Institute of Science, Rehovot 76100, Israel)

  • D. Tal

    (Weizmann Institute of Science, Rehovot 76100, Israel)

  • J. M. Silverman

    (University of Texas)

  • A. Horesh

    (Cahill Center for Astrophysics, California Institute of Technology)

  • A. De Cia

    (Weizmann Institute of Science, Rehovot 76100, Israel)

  • F. Taddia

    (The Oskar Klein Centre, Stockholm University, AlbaNova, 10691 Stockholm, Sweden)

  • J. Sollerman

    (The Oskar Klein Centre, Stockholm University, AlbaNova, 10691 Stockholm, Sweden)

  • D. Perley

    (Cahill Center for Astrophysics, California Institute of Technology)

  • P. M. Vreeswijk

    (Weizmann Institute of Science, Rehovot 76100, Israel)

  • S. R. Kulkarni

    (Cahill Center for Astrophysics, California Institute of Technology)

  • P. E. Nugent

    (Lawrence Berkeley National Laboratory)

  • A. V. Filippenko

    (University of California)

  • J. C. Wheeler

    (University of Texas)

Abstract

The detection of strong emission lines in an early-time spectrum of type IIb supernova SN 2013cu reveals Wolf–Rayet-like wind signatures, suggesting that the supernova’s progenitor may have been a Wolf–Rayet star with a wind dominated by helium and nitrogen, with traces of hydrogen.

Suggested Citation

  • Avishay Gal-Yam & I. Arcavi & E. O. Ofek & S. Ben-Ami & S. B. Cenko & M. M. Kasliwal & Y. Cao & O. Yaron & D. Tal & J. M. Silverman & A. Horesh & A. De Cia & F. Taddia & J. Sollerman & D. Perley & P. , 2014. "A Wolf–Rayet-like progenitor of SN 2013cu from spectral observations of a stellar wind," Nature, Nature, vol. 509(7501), pages 471-474, May.
    • Handle: RePEc:nat:nature:v:509:y:2014:i:7501:d:10.1038_nature13304
    DOI: 10.1038/nature13304
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