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Solar Composition and its Evolution — from Core to Corona pp 19–36Cite as

The ‘Standard’ Sun

Modelling and Helioseismology

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Part of the book series: Space Sciences Series of ISSI ((SSSI,volume 5))

Abstract

The ‘standard’ solar model is based on a number of simplifying assumptions and depends on knowledge of the physical properties of matter in the Sun. Given these assumptions, the constraint that the model have the observed surface luminosity provides an estimate of the initial solar helium abundance. From helioseismic analyses further information can be obtained about the present composition, including a fairly precise measure of the envelope helium abundance and an estimate of the hydrogen profile in the radiative interior. It must be emphasized, however, that these inferences may suffer from systematic error arising from incomplete knowledge about the equation of state and opacity of the solar interior.

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Authors and Affiliations

  1. Teoretisk Astrofysik Center, Danmarks Grundforskningsfond, and Institut for Fysik og Astronomi, Aarhus Universitet, DK-8000, Aarhus C, Denmark

    Jørgen Christensen-Dalsgaard

  2. Institut for Fysik og Astronomi, Aarhus Universitet, DK-8000, Aarhus C, Denmark

    Jørgen Christensen-Dalsgaard

Authors
  1. Jørgen Christensen-Dalsgaard
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Editor information

Editors and Affiliations

  1. Physikalisch-meteorologisches Observatorium, World Radiation Center, Davos, Switzerland

    C. Fröhlich

  2. Space Science Department of ESA, ESTEC, Noordwijk, The Netherlands

    M. C. E. Huber

  3. Institute of Astronomy, ETH, Zürich, Switzerland

    S. K. Solanki

  4. International Space Science Institute, Bern, Switzerland

    R. Von Steiger

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© 1998 Springer Science+Business Media Dordrecht

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Christensen-Dalsgaard, J. (1998). The ‘Standard’ Sun. In: Fröhlich, C., Huber, M.C.E., Solanki, S.K., Von Steiger, R. (eds) Solar Composition and its Evolution — from Core to Corona. Space Sciences Series of ISSI, vol 5. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-4820-7_2

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  • DOI: https://doi.org/10.1007/978-94-011-4820-7_2

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-010-6022-6

  • Online ISBN: 978-94-011-4820-7

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