Journal of Astronomy and Space Sciences

  • 제34권1호
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  • Pages.37-44
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  • 2017
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  • 2093-5587(pISSN)
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  • 2093-1409(eISSN)
한국우주과학회 (The Korean Space Science Society)
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Quasi-Periodic Oscillation of a Magnetic Cataclysmic Variable, DO Draconis

  • Han, Kiyoung (Chungbuk National University Observatory) ;
  • Kim, Yonggi (Chungbuk National University Observatory) ;
  • Andronov, Ivan L. (Department of High and Applied Mathematics, Odessa National Maritime University) ;
  • Yoon, Joh-Na (Chungbuk National University Observatory) ;
  • Chinarova, Lidia L. (Astronomical Observatory, Odessa National University)
  • 투고 : 2017.01.21
  • 심사 : 2017.03.09
  • 발행 : 2017.03.15
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초록

In this paper, analysis results of the photometric data of DO Dra will be presented. DO Dra had been observed with 1 m LOAO telescope and 0.6 m CBNUO telescope from 2005 through 2014. The data shows kind of periodic oscillation behavior in the orbital period and also in the spin period. It has been found that these QPOs are not observed always and that the periods vary from 30 min to 80 min. We also found that the period variation seems to repeat itself with the period of 13.5 days. It is essential to monitor this object in the future as well as to carry out model calculation in order to have better understanding of these QPO phenomena.

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참고문헌

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