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Solar-cycle effects on solar oscillation frequencies

Nature volume 345, pages 779–782 (1990)Cite this article

Abstract

Measurements of solar oscillations taken in 1986 and 1988 show systematic changes in the Sun's acoustic-mode frequencies of the order of 1 part in 10,000. These data reveal that the frequency shifts are the result of latitude-dependent changes in the structure of the Sun which are correlated with the Sun's magnetic-activity cycle.

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Authors and Affiliations

  1. Big Bear Solar Observatory, Building 264-33, California Institute of Technology, Pasadena, California, 91125, USA

    K. G. Libbrecht & M. F. Woodard

Authors
  1. K. G. Libbrecht
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  2. M. F. Woodard
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Libbrecht, K., Woodard, M. Solar-cycle effects on solar oscillation frequencies. Nature 345, 779–782 (1990). https://doi.org/10.1038/345779a0

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