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Observations of short period oscillations in two dimensions

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Abstract

Observations of the photospheric velocity field at the disk center with a cadence of five frames per second strongly support the idea that short period oscillations arise from a combination of image motion and horizontal gradients of the line of sight velocity field. Any genuine solar short period oscillations are effectively masked by these false short period oscillations.

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Authors and Affiliations

  1. Kitt Peak National Observatory, Tucson, Ariz., U.S.A.

    J. Harvey

  2. Hale Observatories, Carnegie Institution of Washington, California Institute of Technology, Pasadena, Calif., U.S.A.

    Robert Howard

Authors
  1. J. Harvey
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  2. Robert Howard
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Additional information

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

Visiting Astronomer, Solar Division, KPNO.

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Harvey, J., Howard, R. Observations of short period oscillations in two dimensions. Sol Phys 23, 300–303 (1972). https://doi.org/10.1007/BF00148094

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  • DOI: https://doi.org/10.1007/BF00148094

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