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Computation of periods of acoustical oscillations of the Sun

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Abstract

DISCOVERY of the regular pulsations of the Sun was reported in 1975–1976 by three groups of investigators1–3. It has been difficult to identify these oscillations, particularly the very stable 2 h 40 min one1,2,4. Having had experience in calculations of the free oscillations of gaseous–liquid Jupiter and Saturn5, we decided to compute the periods of some acoustical modes for one of the complete solar models. We chose the Abraham and Ibem6 Model I as a model of the interior, and a model of the convective zone from Spruit7 which had a depth of 198,00 km; an empirical model HRSA8 was taken as a model of the solar atmosphere.

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Authors and Affiliations

  1. Department of Theoretical Physics, Institute of Physics of the Earth, Academy of Sciences of the USSR, Moscow, USSR

    S. V. VORONTSOV & V. N. ZHARKOV

Authors
  1. S. V. VORONTSOV
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  2. V. N. ZHARKOV
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VORONTSOV, S., ZHARKOV, V. Computation of periods of acoustical oscillations of the Sun. Nature 265, 426–427 (1977). https://doi.org/10.1038/265426a0

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