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δ Sct-Type Pulsators in Eclipsing Binary Systems: the Case of RZ Cas

Published online by Cambridge University Press:  12 April 2016

E. Rodríguez
Affiliation:
Instituto de Astrofísica de Andalucía, CSIC, P.O. Box 3004, E-18080 Granada, Spain
V. Costa
Affiliation:
Instituto de Astrofísica de Andalucía, CSIC, P.O. Box 3004, E-18080 Granada, Spain
M.J. López-González
Affiliation:
Instituto de Astrofísica de Andalucía, CSIC, P.O. Box 3004, E-18080 Granada, Spain
J.M. García
Affiliation:
Departamento de Física, E.U.I.T. Industriales, UPM, Ronda de Valencia 3, E-28012 Madrid, Spain
S.L. Kim
Affiliation:
Korea Astronomy Observatory, Taejon, 305-348, Korea
J.W. Lee
Affiliation:
Korea Astronomy Observatory, Taejon, 305-348, Korea
J.H. Yoon
Affiliation:
Korea Astronomy Observatory, Taejon, 305-348, Korea
E. Hintz
Affiliation:
Department of Physics and Astronomy, Brigham Young University, Provo, UT 84602, USA
D.E. Mkrtichian
Affiliation:
Astronomical Observatory, Odessa State University, Shevchenko Park, Odessa, 270014, Ukraine
A.Y. Gamarova
Affiliation:
Astronomical Observatory, Odessa State University, Shevchenko Park, Odessa, 270014, Ukraine
A.V. Kusakin
Affiliation:
Sternberg State Astronomical Institute, Universitetsky prospect, 13, Moscow, 119899, Russia
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Abstract

RZ Cas is an Algol-type eclipsing binary system where the primary component was recently discovered as a δ Set pulsator. A three-continent multisite photometric campaign was carried out during 1999. Preliminary results are reported here indicating a semi-detached system where the secondary fills its Roche lobe. The light curves also suggest a hot spot on the surface of the primary component as a consequence of the impact of the mass stream from the secondary. The pulsational behaviour can be well described with only one frequency.

Type
Part 1.2. Pulsations in Close Binaries
Copyright
Copyright © Astronomical Society of the Pacific 2002

References

Ohshima, O., Narusawa, S.Y., Azakawa, H., et al. 1998, IBVS, 4581 Google Scholar
Rodríguez, E. & Breger, M. 2001, A&A, 366, 178 Google Scholar
Rodríguez, E., Rolland, A., López-González, M.J., & Costa, V. 1998, A&A, 338, 905 Google Scholar

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