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The eclipsing binary IU Per and its intrinsic oscillations

Published online by Cambridge University Press:  01 April 2008

X. B. Zhang
X. B. Zhang*
Affiliation:
National Astronomical Observatories, Chinese Academy of Sciences, Beijing, 100012, China email: xzhang@bao.ac.cn
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Abstract

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The results of a long-term time-series photometry of the short-period eclipsing binary IU Per are reported. The observation confirms the intrinsic δ Scuti-like pulsation of the star as discovered by previous authors. A photometric solution for the binary system was carried out with the new data. Based on which, the pure oscillation light variations from the mass-accreting primary component were extracted. A Fourier analysis reveals four pulsation modes. Combining with the photometric solution, a preliminary mode identification was given.

Keywords

binaries: eclipsing – stars: oscillations – stars: individual: IU Per
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 4 , Symposium S252: The Art of Modeling Stars in the 21st Century , April 2008 , pp. 429 - 430
Copyright
Copyright © International Astronomical Union 2008

References

Kim, S. L., Lee, J. W., Koo, J. R., Kang, Y. B., & Mkrtichian, D. E., 2005, IBVS, No. 5629Google Scholar