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New Observations of the Beat Cepheid U Trianguli Australis

Published online by Cambridge University Press:  25 April 2016

R. R. Shobbrook  and
D. J. Faulkner
R. R. Shobbrook
Affiliation:
School of Physics, University of Sydney
D. J. Faulkner
Affiliation:
Mount Stromlo and Siding Spring Observatory Australian National University
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Extract

The double-mode or beat Cepheids continue to pose a number of interesting questions in our search for an understanding of the pulsation properties of stars near the short period end of the instability strip. One such is how simultaneous pulsations in the fundamental and first overtone radial modes can occur for an appreciable fraction of Cepheids in the period range 1d < Pо < 5d.

Type
Galactic
Information
Publications of the Astronomical Society of Australia , Volume 3 , Issue 4 , 1978 , pp. 271 - 273
Copyright
Copyright © Astronomical Society of Australia 1978

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