Abstract
Inversions for the spherically symmetric component of the hydrostatic stratification of the Sun are presented. These employ the Backus-Gilbert optimally localized averaging procedure applied to oscillation multiplet frequencies in the range 1.5 – 3 mHz of modes with 4 ≤ l ≤ 140 determined by Libbrecht et al. (1990) from observations carried out in 1986. We also obtain an estimate of the helium abundance in the solar convective envelope.
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Däppen, W., Gough, D.O., Kosovichev, A.G., Thompson, M.J. (1991). A new inversion for the hydrostatic stratification of the sun. In: Gough, D., Toomre, J. (eds) Challenges to Theories of the Structure of Moderate-Mass Stars. Lecture Notes in Physics, vol 388. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-54420-8_57
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DOI: https://doi.org/10.1007/3-540-54420-8_57
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