[KSCI] Korea Science Citation Index Service

http://dx.doi.org/10.5140/JASS.2003.20.4.249

PHOTOMETRIC STUDY OF A W UMa TYPE CONTACT BINARY AH CNC

윤재혁 (충남대학교 천문우주과학과, 한국천문연구원)
김호일 (한국천문연구원)
이재우 (충북대학교 천문우주학과)
김승리 (한국천문연구원)
성언창 (한국천문연구원)
경재만 (한국천문연구원)
오갑수 (충남대학교 천문우주과학과)

Publication Information

Journal of Astronomy and Space Sciences / v.20, no.4, 2003 , pp. 249-260 More about this Journal

Abstract

CCD photometric observations of a W UMa type contact binary AH Cnc were performed for ten nights from December 1998 to May 1999 using a PM512 CCD camera and BVI filters attached to the 61㎝ reflector at Sobaeksan Optical Astronomy Observatory. New BVI light curves were analyzed with contact Mode 3 of the Wilson-Devinney binary model. We obtained photometric solutions and Roche geometry of this binary system. Through the analysis of the (O-C) diagram with all times of minimum light published so far and including hour's secular variations of orbital period and the mass transfer rate were calculated.

Keywords

CCD observation; eclipsing binary; AH Cnc; photometric solution;

Citations & Related Records

Reference

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KSCI

PHOTOMETRIC STUDY OF A W UMa TYPE CONTACT BINARY AH CNC W UMa형 접촉쌍성 AH Cancri에 대한 측광학적 연구

PHOTOMETRIC STUDY OF A W UMa TYPE CONTACT BINARY AH CNC