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Waves in the solar photosphere

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Abstract

Time-sequences of line profile data have been subjected to a unique analysis which produces an amplitude and phase of the velocity and intensity at several line depths for each time sample and spatial point on the Sun. The data have been filtered to pass only the frequencies and spatial wavenumbers of the 5-min band. Yet, a secondary oscillation emerges, the phase of which propagates downward. Empirical eigenfunctions for velocity and intensity are given, and the kinetic energy flux is computed.

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Operated by the Association of Universities for Research in Astronomy under contract with the National Science Foundation.

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Stebbins, R., Goode, P.R. Waves in the solar photosphere. Sol Phys 110, 237–253 (1987). https://doi.org/10.1007/BF00206421

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Keywords

  • Kinetic Energy
  • Unique Analysis
  • Time Sample
  • Energy Flux
  • Line Profile