EVOLUTION OF THE PHOTOMETRIC PROPERTIES OF THE MAGNETIC CATACLYSMIC BINARY QQ VUL IN 1986-88

Автор(и)

  • A. V. Halevin Department of Astronomy, Odessa State University, Україна
  • I. L. Andronov Department of Astronomy, Odessa State University, Україна
  • S. V. Kolesnikov Department of Astronomy, Odessa State University,, Україна
  • G. N. Kirneridze Abasturnani Astrophysical Observatory, Грузія

DOI:

https://doi.org/10.18524/1810-4215.1997.10.103621

Ключові слова:

Stars, binary, polars, Individual, QQ Vul

Анотація

The long term activity variations of polar QQ Vul in 1986-88 are reported.

Changes of the amplitude and the shape of phase eclipse curve are present. Moments of 20

minima are presented which are in a good agreement with the ephemeris by Andronov and

Fuhrmann (1987, IBVS N 2976).

 

Посилання

Andronov I.L., Fuhrmann B.: 1987, IBVS, 2976.

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Cropper M.: 1998, MNRAS, 295, 353.

Halevin A.V.: 1996, Odessa Astron. Publ., 9, 125.

Halevin A.V.: 1997, http://www. astro. od. ua/halevin/qq vul.dat

McCarthy P., Bowyer S., Clarke J.T.: 1986, ApJ, 311, 853.

Mukai K., Bonnet-Bidaud J .-M., Charles P.A., et al.: 1986, MNRAS, 221,839.

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Osborne J .P., Bonnet-Bidaud J .-M., Bowyer S. et al.: 1986, MNRAS, 221, 823.

Osborne J .P., Beuermann K., Charles P., et al.: 1987, ApJ, 315, L123.

Soma M., Hirayama Th., Kinoshita H.: 1988, Celestial Mechanics, 41, 389.

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2017-06-07

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