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Photoelectric observations of long-period RS CVn binary CQ aurigae

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Abstract

Long-period RS CVn-type binary CQ Aur was observed in 1987 and 1988.B andV light curves for the 1987 and 1988 epochs have been analyzed for the photometric solution by the modified Wilson and Devinney computing code with adjustable spot parameters. One-spot fit is good enough for the 1987 epoch while a wider distribution of spots in longitude is required for the 1988 epoch. The spot covers approximately 3% of total surface area of the cooler component. Absolute dimensions were deduced by combining Popper's spectroscopic results. The volume of the cooler component is approximately 100 times larger than that of the hotter component. Both components are subgiants but the cooler component evolved more than the hotter component.

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References

  • Busso, M., Scaltriti, F., Blanco, C., Catalano, S., Marilli, E., Pazzani, V., and Rodonó, M.: 1984,Astron. Astrophys. 135, 255.

    Google Scholar 

  • Cerruti-Sola, M., Scaltriti, F., Blanco, C., Catalano, S., Marilli, F., Rodonó, M., Strazzula, G., and Chambliss, C. R.: 1980,Astron. Astrophys. Suppl. 42, 245.

    Google Scholar 

  • Hall, D. S. and Kreiner, J. M.: 1980,Acta Astron. 30, 387.

    Google Scholar 

  • Iben, I.: 1967,Ann. Rev. Astron. Astrophys. 5, 571.

    Google Scholar 

  • Johnson, H. L. and Morgan, W. W.: 1953,Astrophys. J. 117, 313.

    Google Scholar 

  • Kang, Y. W. and Wilson, R. E.: 1989,Astron. J. 97, 848.

    Google Scholar 

  • O'Connell, D. J. K.: 1978,Ric. Astron. Specola Vatic. 8, 555.

    Google Scholar 

  • Popper, D. M.: 1976,Inf. Bull. Var. Stars, No. 1083.

  • Popper, D. M.: 1990,Astron. J. 100, 247.

    Google Scholar 

  • Scaltriti, F., Busso, M., and Cellino, A.: 1985,Inf. Bull. Var. Stars, No. 2841.

  • Svechnikov, M. A. and Bessonova, L. A.: 1984,CDS Bull., No. 26, 99.

    Google Scholar 

  • Walter, F. M., Cash, W., Charles, P. A., and Bowyer, C. S.: 1980,Astrophys. J. 236, 212.

    Google Scholar 

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Authors and Affiliations

  1. Department of Earth Sciences, King Seiong University, Seoul, Korea

    Young Woon Kang

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  1. Young Woon Kang
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Kang, Y.W. Photoelectric observations of long-period RS CVn binary CQ aurigae. Astrophys Space Sci 201, 35–45 (1993). https://doi.org/10.1007/BF00626971

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  • DOI: https://doi.org/10.1007/BF00626971

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