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The Measurement of Long-Period Oscillations at Sacramento Peak Observatory and South Pole*

Published online by Cambridge University Press:  12 April 2016

Robin Stebbins  and
Christopher Wilson
Robin Stebbins
Affiliation:
Sacramento Peak Observatory**, Sunspot, NM 88349, U.S.A.
Christopher Wilson
Affiliation:
Department of Physics, University of California at San Diego, La Jolla, CA 92093, U.S.A.

Abstract

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A program to measure long-period brightness oscillations at the solar limb has been pursued at Sacramento Peak Observatory for several years. Past improvements in observing technique and data analysis are reviewed. The encouraging results aid in the verification of the reality and the origin of oscillatory signals. However, the main stumbling block to this and other observational programs is the length of observing sequences imposed by the day/night cycle. The South Pole has received considerable attention as a site where extended observations might be possible. Currently, the Sacramento Peak program is developing a South Pole telescope designed for the observing technique and data analysis proven in Sunspot. A review of pertinent South Pole site parameters is given here for other workers who may be considering South Pole observations. Observing sequences longer than 150 hr are possible, though rare. Data sets of this duration are very attractive for solar oscillation studies.

Type
Research Article
Information
International Astronomical Union Colloquium , Volume 66: Problems of Solar and Stellar Oscillations , 1983 , pp. 43 - 54
Copyright
Copyright © Reidel 1983

Footnotes

**

Operated by the Association of Universities for Research in Astronomy, Inc., under contract AST 78-17292 with the National Science Foundation.

***

Summer Research Assistant at Sacramento Peak Observatory.

*

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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