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Dynamical Phasing of Type II Cepheids

Published online by Cambridge University Press:  12 April 2016

J.A. McSaveney ,
K.R. Pollard  and
P.L. Cottrell
J.A. McSaveney
Affiliation:
Mount Stromlo Observatory, Research School of Astronomy and Astrophysics, Australian National University, Canberra, Australia
K.R. Pollard
Affiliation:
Mount John University Observatory, Department of Physics and Astronomy, University of Canterbury, Christchurch, New Zealand
P.L. Cottrell
Affiliation:
Mount John University Observatory, Department of Physics and Astronomy, University of Canterbury, Christchurch, New Zealand

Abstract

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By phasing using the minimum of the acceleration curve of a selection of Type II Cepheids of a range of periods, a clearer understanding of the pulsational dynamics of the stars is obtained. BVRI photometry and a selection of metallic line velocities and Hα equivalent widths are presented using this phasing.

Type
Part 9. Evolutionary and pulsation properties of variable stars
Information
International Astronomical Union Colloquium , Volume 193: Variable Stars in the Local Group , 2004 , pp. 543 - 546
Copyright
Copyright © Astronomical Society of the Pacific 2004

References

McSaveney, J.A. 2003 Dynamics of Type II Cepheids, PhD thesis, University of Canterbury Google Scholar