Bulletin of the Korean Space Science Society (한국우주과학회:학술대회논문집(한국우주과학회보))

The Korean Space Science Society (한국우주과학회)
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Intrinssic Light Variation of 32 Cygni and BVRI Photometry of 30 Cygni

  • Nha, Il-Seong (Dept. of Astronomy and Atmospheric Science, Yonsei University) ;
  • Kim, Yonggi- (Dept. of Astronomy and Atmospheric Science, Yonsei University) ;
  • Lee, Yong-Sam- (Dept. of Astronomy and Space Science, Chungbuk National University)
  • Published : 1993.04.01
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Abstract

Long period eclipsing binary 32 Cygni was photometrically observed in 1992 at Yonsei University Observatory. Instrumental differential magnitude and standardized magnitude of this star show some intrinsic light variations. Some possible explanations will be discussed. BVRI photometric observations show that 30 Cyg may be a variable star. A further monitoring of 30 Cyg is therefore called for justification of such evidences.

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