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Speed of sound in the solar interior

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Abstract

Frequencies of solar 5-min oscillations can be used to determine directly the sound speed of the solar interior. The determination described here does not depend on a solar model, but relies only on a simple asymptotic description of the oscillations in terms of trapped acoustic waves.

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Authors and Affiliations

  1. NORDITA, Blegdamsvej 17, København Ø, Denmark

    J. Christensen-Dalsgaard

  2. Department of Applied Mathematics and Theoretical Physics, Silver Street, Cambridge, CB3 9EW, UK

    J. Christensen-Dalsgaard

  3. Laboratory for Astronomy and Solar Physics, NASA/Goddard Space Flight Center, Greenbank, Maryland, 20771, USA

    T. L. Duvall Jr

  4. Institute of Astronomy & Department of Applied Mathematics and Theoretical Physics, Madingley Road, Cambridge, CB3 0HA, UK

    D. O. Gough

  5. National Solar Observatory, National Optical Astronomy Observatories, Tucson, Arizona, 85726, USA

    J. W. Harvey

  6. Department of Astronomy & Space Sciences Center, University of Southern California, Los Angeles, California, 90007, USA

    E. J. Rhodes Jr

Authors
  1. J. Christensen-Dalsgaard
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  2. T. L. Duvall Jr
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  3. D. O. Gough
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  4. J. W. Harvey
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  5. E. J. Rhodes Jr
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Christensen-Dalsgaard, J., Duvall, T., Gough, D. et al. Speed of sound in the solar interior. Nature 315, 378–382 (1985). https://doi.org/10.1038/315378a0

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  • DOI: https://doi.org/10.1038/315378a0

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