Preliminary study of light variations of the eclipsing binary AB Cassiopeiae |
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| Authors: | Hiroyasu Ando |
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| Institution: | (1) Tokyo Astronomical Observatory, University of Tokyo, Mitaka, Tokyo, Japan;(2) Department of Astronomy, University of Manchester, England |
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| Abstract: | Preliminary study of the eclipsing binary AB Cas is presented here by using the photometric observational data. The primary component is one of the  Sct variables with period of 0d.054, and whether the oscillation is of a radial mode or of a non-radial one is discussed. Two colour indices (B-V andU-B) data and the light curve analysis suggest that this binary system is a typical Algol type binary system, in which the primary component is near the ZAMS with about 2.3M
 and the secondary one is a subgiant star with about 0.5M
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