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Pulsational Amplitudes of Cepheids – Their Application to Reveal Companions

Published online by Cambridge University Press:  12 April 2016

László Szabados
László Szabados*
Affiliation:
Konkoly Observatory, P.O. Box 67, H-1525 Budapest XII, Hungary

Abstract

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Two parameters are defined involving the observed (peak-to-peak) amplitudes in U, B, V, and R photometric bands as well as that of the radial velocity variation. They are used to detect companions to Cepheids for a sample about 300 Galactic Cepheids.

Type
Part 3. Cepheids, RR Lyrae Stars, Distance Scales
Information
International Astronomical Union Colloquium , Volume 176: The Impact of Large-Scale Surveys on Pulsating Star Research , 2000 , pp. 248 - 249
Copyright
Copyright © Astronomical Society of the Pacific 2000

References

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