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A new system for observing solar oscillations at the Mount Wilson Observatory

I. System design and installation

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Abstract

In this paper we describe a new observing system which is currently nearing completation at the Mount Wilson Observatory. This system has been designed to obtain daily measurements of solar photospheric and subphotospheric rotational velocities from the frequency splitting of non-radial solar p-mode oscillations of moderate to high degree (i.e. l > 150). The completed system will combine a 244 × 248 pixel CID camera with a high-speed floating point array processor, a 32-bit minicomputer, and a large-capacity disc storage system. We are integrating these components into the spectrograph of the 60-foot solar tower telescope at Mount Wilson in order to provide a facility which will be dedicated to the acquisition of oscillation data.

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Authors and Affiliations

  1. Department of Astronomy and Earth and Space Sciences Institute, University of Southern California, 90007, Los Angeles, CA, U.S.A.

    Edward J. Rhodes Jr.

  2. Space Physics Section, Jet Propulsion Laboratory, California Institute of Technology, 91109, Pasadena, CA, U.S.A.

    Edward J. Rhodes Jr.

  3. Mount Wilson and Las Campanas Observatories, Carnegie Institution of Washington, 91101, Pasadena, CA, U.S.A.

    Robert F. Howard

  4. Department of Astronomy, University of California at Los Angeles, 90024, Los Angeles, CA, U.S.A.

    Roger K. Ulrich

  5. Space Physics Section, Jet Propulsion Laboratory, California Institute of Technology, 91109, Pasadena, CA, U.S.A.

    Edward J. Smith

Authors
  1. Edward J. Rhodes Jr.
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  2. Robert F. Howard
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  3. Roger K. Ulrich
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  4. Edward J. Smith
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Additional information

Proceedings of the 66th IAU Colloquium: Problems in Solar and Stellar Oscillations, held at the Crimean Astrophysical Observatory, U.S.S.R., 1–5 September, 1981.

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Rhodes, E.J., Howard, R.F., Ulrich, R.K. et al. A new system for observing solar oscillations at the Mount Wilson Observatory. Sol Phys 82, 245–258 (1983). https://doi.org/10.1007/BF00145567

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  • DOI: https://doi.org/10.1007/BF00145567

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