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http://dx.doi.org/10.5140/JASS.2017.34.1.37

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)
Publication Information
Journal of Astronomy and Space Sciences / v.34, no.1, 2017 , pp. 37-44 More about this Journal
Abstract
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.
Keywords
quasi-periodic oscillation; period variation; magnetic cataclysmic variables; DO Dra;
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Times Cited By KSCI : 5  (Citation Analysis)
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