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Published April 1964 | Published
Journal Article Open

The Calculation of Stellar Pulsation

Christy, Robert F.
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Abstract

In this paper we report methods of computation which have been developed to provide a theoretical understanding of the RR Lyrae and Cepheid type pulsating stars. The results reported are intended to illuminate the methods of calculation and to provide insight into the physical processes in these stars. A survey of pulsation in RR Lyrae models using these methods has also been carried out and will be reported soon in another journal. A survey of pulsation in Cepheid models has been initiated and will be continued.

Additional Information

© 1964 The American Physical Society. Work supported in part by the Office of Naval Research and the National Aeronautics and Space Administration. It is appropriate that this paper should be part of a salute to J. R. Oppenheimer. It was under his guidance that the author did his graduate work, and the inspiration of Oppenheimer was responsible not only for the thesis but also for subsequent work of the author. It was during a sabbatical year spent as a guest at the Institute for Advanced Study that the work on this problem was initiated and the author is particularly indebted to J. R. Oppenheimer for making that stay possible. Finally, it was at Los Alamos, under Oppenheimer's direction and encouragement, that the author first learned about hydrodynamics, and it was there that computational techniques for hydrodynamics were developed. It is particularly gratifying to note that techniques, developed for the design of atomic weapons, are here employed to study the dynamics of stars.

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