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Resonance Effect of Binary Orbital Motion upon δ Scuti Type Stars

Published online by Cambridge University Press:  12 April 2016

M. Paparó ,
H. Shibahashi  and
C. Sterken
M. Paparó
Affiliation:
Konkoly Observatory, Budapest P.O.Box. 67., Hungary
H. Shibahashi
Affiliation:
Dept. of Astronomy, University of Tokyo, Tokyo 113-0033, Japan
C. Sterken
Affiliation:
University of Brussels, Pleinlaan 2, 1050, Brussels, Belgium

Abstract

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The colour behaviour of θ Tucanae with orbital phase is shown. A break in the residuals is checked as the criterion for stopping the period search. A resonance of the dominant pulsational mode and the period of ellipticity is reported, with a Resonance number of 72.

Type
Part 1.2. Pulsations in Close Binaries
Information
International Astronomical Union Colloquium , Volume 185: Radial and Nonradial Pulsations as Probes of Stellar Physics , 2002 , pp. 94 - 95
Copyright
Copyright © Astronomical Society of the Pacific 2002

References

De Mey, K., Daems, K., & Sterken, C. 1998, A&A, 336, 527 Google Scholar
Paparó, M., Sterken, C., Spoon, H.W.W., & Birch, P.V. 1996, A&A, 315, 400 Google Scholar
Sterken, C. 1997, A&A, 325, 563 Google Scholar
Sterken, C. 2000, in ASP Conf. Ser., Vol. 210, Delta Scuti and Related Stars, eds. Breger, M. & Montgomery, M. (San Francisco: ASP), 99 Google Scholar