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http://dx.doi.org/10.5140/JASS.2003.20.4.261

ON THE APSIDAL MOTION OF IQ PERSEI  

이충욱 (한국천문연구원, 충북대학교 자연과학대학 천문우주과학과, 기초과학연구소)
김천휘 (충북대학교 자연과학대학 천문우주학과, 기초과학연구소)
오규동 (전남대학교 지구과학교육과)
변용익 (연세대학교 천문우주학과)
Publication Information
Journal of Astronomy and Space Sciences / v.20, no.4, 2003 , pp. 261-268 More about this Journal
Abstract
CCD observations of times of minimum light of IQ Per with apsidal motion were made in VR bandpasses for four nights from November to December, 2002. From the observations four times of minimum light were determined. All times of minimum light collected from literatures, including ours, were analyzed to determine the apsidal motion parameters of IQ per. The sidereal and apsidal motion periods were calculated to be $0.^{s}035$ and $0.^{y}2$ slightly longer than those of Degirmenci (1997), respectively. The apsidal motion parameters of IQ Per derived in this paper show good agreement with Degirmenci's values. Our results support his internal density constant of $k_{2obs}$ = 0.0038 for IQ Per and 5 % accuracy of agreement between the observed and modelled values of the apsidal motion constant.
Keywords
eclipsing binary; IQ Per; times of minimum light; apsidal motion;
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Times Cited By KSCI : 1  (Citation Analysis)
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